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SubjectRe: ARM64 kernel crash
It's 100% repeatable, so if it's software it is a bug and not a
glitch. There is a FPGA attached, so it might be a hardware oddity.
You say "what hardware glitch is it given data abort info" but I'm not
sure I understand what you are asking for; please can you elaborate?

On Wed, 15 Dec 2021 at 09:26, Hillf Danton <hdanton@sina.com> wrote:
>
> On Wed, 15 Dec 2021 07:36:34 +0000 Chris Ward wrote:
> > Please personally cc me on answers/comments as I am not currently
> > subscribed to the LKML.
> > Trying again because I messed up the format badly the first time
> > round. Apologies for that.
> >
> > My team has a problem which is being bounced between Canonical support
> > and Xilinx support.
> > We are using kernel 5.4.0-xilinx-v2020.2 built from sources under
> > https://github.com/Xilinx/linux-xlnx with a Ubuntu 20.04 userland on
> > an ARM64 embedded linux machine (i.e. not x86-64). When trying to set
> > up a file system on a ramdisk, we get a kernel crash for sizes of
> > ramdisk larger than 2GB while trying to 'dd if=/dev/zero ...' in
> > preparation for issuing mkfs.
> > Some questions:
> > 1) Is it possible that there is an incompatibility between the Ubuntu
> > userland and the Xilinx kernel ? I think it is not possible to have an
> > incompatibility here, which would land the support question solidly in
> > Xilinx' court.
> > 2) Is there a known problem with this kernel level on ARM64 hardware ?
> > 3) Would it be likely to be productive to move to a newer Xilinx kernel ?
> > 4) If I have to debug this myself, where do I start ?
> >
> > Here is the log from boot until crash
> >
> > ZynqMP> setenv serverip 9.2.225.84
> > ZynqMP> setenv ipaddr 9.2.227.19
> > ZynqMP> setenv gatewayip 9.2.224.2
> > ZynqMP> setenv netmask 255.255.248.0
> > ZynqMP> setenv bootcmd "run netboot"
> > ZynqMP> setenv netstart 0x10000000
> > ZynqMP> setenv bootargs "console=ttyPS0,115200n8 root=/dev/nfs
> > rootfstype=nfs nfsroot=${serverip}:/export/"
> > ZynqMP> setenv kernel_img "/tftpboot/cuttlefisharm2/image.ub"
> > ZynqMP> setenv netboot "tftpboot ${netstart} ${kernel_img} && bootm"
> > ZynqMP> saveenv
> > Unknown command 'saveenv' - try 'help'
> > ZynqMP> run netboot
> > Using ethernet@ff0e0000 device
> > TFTP from server 9.2.225.84; our IP address is 9.2.227.19
> > Filename '/tftpboot/cuttlefisharm2/image.ub'.
> > Load address: 0x10000000
> > Loading: #################################################################
> > #################################################################
> > #################################################################
> > ###############################
> > 2.5 MiB/s
> > done
> > Bytes transferred = 8478220 (815e0c hex)
> > ## Loading kernel from FIT Image at 10000000 ...
> > Using 'conf@system-top.dtb' configuration
> > Trying 'kernel@1' kernel subimage
> > Description: Linux kernel
> > Type: Kernel Image
> > Compression: gzip compressed
> > Data Start: 0x100000e8
> > Data Size: 8444173 Bytes = 8.1 MiB
> > Architecture: AArch64
> > OS: Linux
> > Load Address: 0x00080000
> > Entry Point: 0x00080000
> > Hash algo: sha256
> > Hash value:
> > 6ce5faf07f3c77c3c6775d50bd8eb6feb60c93fe7844430c238b13fe006accf5
> > Verifying Hash Integrity ... sha256+ OK
> > ## Loading fdt from FIT Image at 10000000 ...
> > Using 'conf@system-top.dtb' configuration
> > Trying 'fdt@system-top.dtb' fdt subimage
> > Description: Flattened Device Tree blob
> > Type: Flat Device Tree
> > Compression: uncompressed
> > Data Start: 0x1080db08
> > Data Size: 32155 Bytes = 31.4 KiB
> > Architecture: AArch64
> > Hash algo: sha256
> > Hash value:
> > c62ab3c2fb6377746a8709f3ddc20e3f46064514e16cae2795a46a780d020417
> > Verifying Hash Integrity ... sha256+ OK
> > Booting using the fdt blob at 0x1080db08
> > Uncompressing Kernel Image
> > Loading Device Tree to 000000000fff5000, end 000000000ffffd9a ... OK
> >
> > Starting kernel ...
> >
> > [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
> > [ 0.000000] Linux version 5.4.0-xilinx-v2020.2 (oe-user@oe-host)
> > (gcc version 9.2.0 (GCC)) #1 SMP Thu N1
> > [ 0.000000] Machine model: xlnx,zynqmp
> > [ 0.000000] efi: Getting EFI parameters from FDT:
> > [ 0.000000] efi: UEFI not found.
> > [ 0.000000] cma: Reserved 256 MiB at 0x000000006fc00000
> > [ 0.000000] On node 0 totalpages: 4194048
> > [ 0.000000] DMA32 zone: 8188 pages used for memmap
> > [ 0.000000] DMA32 zone: 0 pages reserved
> > [ 0.000000] DMA32 zone: 524032 pages, LIFO batch:63
> > [ 0.000000] Normal zone: 57344 pages used for memmap
> > [ 0.000000] Normal zone: 3670016 pages, LIFO batch:63
> > [ 0.000000] psci: probing for conduit method from DT.
> > [ 0.000000] psci: PSCIv1.1 detected in firmware.
> > [ 0.000000] psci: Using standard PSCI v0.2 function IDs
> > [ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
> > [ 0.000000] psci: SMC Calling Convention v1.1
> > [ 0.000000] percpu: Embedded 22 pages/cpu s49880 r8192 d32040 u90112
> > [ 0.000000] pcpu-alloc: s49880 r8192 d32040 u90112 alloc=22*4096
> > [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
> > [ 0.000000] Detected VIPT I-cache on CPU0
> > [ 0.000000] CPU features: detected: ARM erratum 845719
> > [ 0.000000] Speculative Store Bypass Disable mitigation not required
> > [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 41285=
> > 16
> > [ 0.000000] Kernel command line: console=ttyPS0,115200n8
> > root=/dev/nfs rootfstype=nfs nfsroot=9.2.225.84
> > [ 0.000000] Dentry cache hash table entries: 2097152 (order: 12,
> > 16777216 bytes, linear)
> > [ 0.000000] Inode-cache hash table entries: 1048576 (order: 11,
> > 8388608 bytes, linear)
> > [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
> > [ 0.000000] software IO TLB: mapped [mem 0x6bc00000-0x6fc00000] (64MB)
> > [ 0.000000] Memory: 16110024K/16776192K available (12092K kernel
> > code, 740K rwdata, 3764K rodata, 768K )
> > [ 0.000000] rcu: Hierarchical RCU implementation.
> > [ 0.000000] rcu: RCU event tracing is enabled.
> > [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay
> > is 25 jiffies.
> > [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
> > [ 0.000000] GIC: Adjusting CPU interface base to 0x00000000f902f000
> > [ 0.000000] GIC: Using split EOI/Deactivate mode
> > [ 0.000000] random: get_random_bytes called from
> > start_kernel+0x2a8/0x42c with crng_init=0
> > [ 0.000000] arch_timer: cp15 timer(s) running at 33.33MHz (phys).
> > [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff
> > max_cycles: 0x7b0074340, max_idle_ns:s
> > [ 0.000003] sched_clock: 56 bits at 33MHz, resolution 30ns, wraps
> > every 2199023255543ns
> > [ 0.000293] Console: colour dummy device 80x25
> > [ 0.000318] Calibrating delay loop (skipped), value calculated
> > using timer frequency.. 66.66 BogoMIPS ()
> > [ 0.000326] pid_max: default: 32768 minimum: 301
> > [ 0.000518] Mount-cache hash table entries: 32768 (order: 6, 262144
> > bytes, linear)
> > [ 0.000568] Mountpoint-cache hash table entries: 32768 (order: 6,
> > 262144 bytes, linear)
> > [ 0.001596] ASID allocator initialised with 32768 entries
> > [ 0.001654] rcu: Hierarchical SRCU implementation.
> > [ 0.001877] EFI services will not be available.
> > [ 0.002015] smp: Bringing up secondary CPUs ...
> > [ 0.002359] Detected VIPT I-cache on CPU1
> > [ 0.002393] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
> > [ 0.002763] Detected VIPT I-cache on CPU2
> > [ 0.002782] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
> > [ 0.003117] Detected VIPT I-cache on CPU3
> > [ 0.003136] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
> > [ 0.003184] smp: Brought up 1 node, 4 CPUs
> > [ 0.003196] SMP: Total of 4 processors activated.
> > [ 0.003201] CPU features: detected: 32-bit EL0 Support
> > [ 0.003206] CPU features: detected: CRC32 instructions
> > [ 0.003239] CPU: All CPU(s) started at EL2
> > [ 0.003252] alternatives: patching kernel code
> > [ 0.004466] devtmpfs: initialized
> > [ 0.008967] clocksource: jiffies: mask: 0xffffffff max_cycles:
> > 0xffffffff, max_idle_ns: 764504178510000s
> > [ 0.008980] futex hash table entries: 1024 (order: 4, 65536 bytes, linea=
> > r)
> > [ 0.015242] xor: measuring software checksum speed
> > [ 0.052055] 8regs : 2375.000 MB/sec
> > [ 0.092080] 32regs : 2725.000 MB/sec
> > [ 0.132112] arm64_neon: 2365.000 MB/sec
> > [ 0.132117] xor: using function: 32regs (2725.000 MB/sec)
> > [ 0.132168] pinctrl core: initialized pinctrl subsystem
> > [ 0.132565] DMI not present or invalid.
> > [ 0.132811] NET: Registered protocol family 16
> > [ 0.133945] DMA: preallocated 256 KiB pool for atomic allocations
> > [ 0.133971] audit: initializing netlink subsys (disabled)
> > [ 0.134111] audit: type=2000 audit(0.132:1): state=initialized
> > audit_enabled=0 res=1
> > [ 0.134503] cpuidle: using governor menu
> > [ 0.134761] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers=
> > .
> > [ 0.134908] Serial: AMBA PL011 UART driver
> > [ 0.146844] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
> > [ 0.146851] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages
> > [ 0.146856] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
> > [ 0.146860] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages
> > [ 1.209443] cryptd: max_cpu_qlen set to 1000
> > [ 1.232920] DRBG: Continuing without Jitter RNG
> > [ 1.308905] raid6: neonx8 gen() 1563 MB/s
> > [ 1.376938] raid6: neonx8 xor() 1450 MB/s
> > [ 1.445018] raid6: neonx4 gen() 1491 MB/s
> > [ 1.513043] raid6: neonx4 xor() 1406 MB/s
> > [ 1.581089] raid6: neonx2 gen() 1116 MB/s
> > [ 1.649148] raid6: neonx2 xor() 1120 MB/s
> > [ 1.717236] raid6: neonx1 gen() 733 MB/s
> > [ 1.785237] raid6: neonx1 xor() 743 MB/s
> > [ 1.853292] raid6: int64x8 gen() 1165 MB/s
> > [ 1.921350] raid6: int64x8 xor() 758 MB/s
> > [ 1.989429] raid6: int64x4 gen() 967 MB/s
> > [ 2.057467] raid6: int64x4 xor() 710 MB/s
> > [ 2.125502] raid6: int64x2 gen() 666 MB/s
> > [ 2.193564] raid6: int64x2 xor() 532 MB/s
> > [ 2.261606] raid6: int64x1 gen() 438 MB/s
> > [ 2.329675] raid6: int64x1 xor() 363 MB/s
> > [ 2.329679] raid6: using algorithm neonx8 gen() 1563 MB/s
> > [ 2.329682] raid6: .... xor() 1450 MB/s, rmw enabled
> > [ 2.329687] raid6: using neon recovery algorithm
> > [ 2.330035] iommu: Default domain type: Translated
> > [ 2.330268] SCSI subsystem initialized
> > [ 2.330300] libata version 3.00 loaded.
> > [ 2.330423] usbcore: registered new interface driver usbfs
> > [ 2.330457] usbcore: registered new interface driver hub
> > [ 2.330489] usbcore: registered new device driver usb
> > [ 2.330520] mc: Linux media interface: v0.10
> > [ 2.330541] videodev: Linux video capture interface: v2.00
> > [ 2.330564] pps_core: LinuxPPS API ver. 1 registered
> > [ 2.330568] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
> > Rodolfo Giometti <giometti@linux.it>
> > [ 2.330579] PTP clock support registered
> > [ 2.330597] EDAC MC: Ver: 3.0.0
> > [ 2.330997] zynqmp-ipi-mbox mailbox@ff990400: Registered ZynqMP IPI
> > mbox with TX/RX channels.
> > [ 2.331174] FPGA manager framework
> > [ 2.331301] Advanced Linux Sound Architecture Driver Initialized.
> > [ 2.331576] Bluetooth: Core ver 2.22
> > [ 2.331601] NET: Registered protocol family 31
> > [ 2.331606] Bluetooth: HCI device and connection manager initialized
> > [ 2.331614] Bluetooth: HCI socket layer initialized
> > [ 2.331620] Bluetooth: L2CAP socket layer initialized
> > [ 2.331634] Bluetooth: SCO socket layer initialized
> > [ 2.332095] clocksource: Switched to clocksource arch_sys_counter
> > [ 2.332191] VFS: Disk quotas dquot_6.6.0
> > [ 2.332236] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 byte=
> > s)
> > [ 2.336429] NET: Registered protocol family 2
> > [ 2.336785] tcp_listen_portaddr_hash hash table entries: 8192
> > (order: 5, 131072 bytes, linear)
> > [ 2.336941] TCP established hash table entries: 131072 (order: 8,
> > 1048576 bytes, linear)
> > [ 2.337732] TCP bind hash table entries: 65536 (order: 8, 1048576
> > bytes, linear)
> > [ 2.338530] TCP: Hash tables configured (established 131072 bind 65536)
> > [ 2.338619] UDP hash table entries: 8192 (order: 6, 262144 bytes, linear=
> > )
> > [ 2.338892] UDP-Lite hash table entries: 8192 (order: 6, 262144
> > bytes, linear)
> > [ 2.339266] NET: Registered protocol family 1
> > [ 2.339573] RPC: Registered named UNIX socket transport module.
> > [ 2.339578] RPC: Registered udp transport module.
> > [ 2.339581] RPC: Registered tcp transport module.
> > [ 2.339585] RPC: Registered tcp NFSv4.1 backchannel transport module.
> > [ 2.339872] PCI: CLS 0 bytes, default 64
> > [ 2.368863] Initialise system trusted keyrings
> > [ 2.368951] workingset: timestamp_bits=46 max_order=22 bucket_order=
> > =0
> > [ 2.369777] NFS: Registering the id_resolver key type
> > [ 2.369792] Key type id_resolver registered
> > [ 2.369796] Key type id_legacy registered
> > [ 2.369805] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
> > [ 2.369821] jffs2: version 2.2. (NAND) (SUMMARY) =C2=A9 2001-2006 Red H=
> > at, Inc.
> > [ 2.383001] NET: Registered protocol family 38
> > [ 2.383008] Key type asymmetric registered
> > [ 2.383013] Asymmetric key parser 'x509' registered
> > [ 2.383039] Block layer SCSI generic (bsg) driver version 0.4
> > loaded (major 246)
> > [ 2.383045] io scheduler mq-deadline registered
> > [ 2.383049] io scheduler kyber registered
> > [ 2.383772] xilinx-xdma-pcie a0000000.axi-pcie: Using MSI Decode mode
> > [ 2.383783] xilinx-xdma-pcie a0000000.axi-pcie: IRQ misc not found
> > [ 2.383788] xilinx-xdma-pcie a0000000.axi-pcie: Unable to find misc IRQ =
> > line
> > [ 2.383793] xilinx-xdma-pcie a0000000.axi-pcie: Parsing DT failed
> > [ 2.384939] ps_pcie_dma init()
> > [ 2.410271] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> > [ 2.411312] Serial: AMBA driver
> > [ 2.413072] cacheinfo: Unable to detect cache hierarchy for CPU 0
> > [ 2.417493] brd: module loaded
> > [ 2.422218] loop: module loaded
> > [ 2.422943] mtdoops: mtd device (mtddev=name/number) must be supplied
> > [ 2.424174] libphy: Fixed MDIO Bus: probed
> > [ 2.425308] tun: Universal TUN/TAP device driver, 1.6
> > [ 2.425394] CAN device driver interface
> > [ 2.426043] usbcore: registered new interface driver asix
> > [ 2.426086] usbcore: registered new interface driver ax88179_178a
> > [ 2.426111] usbcore: registered new interface driver cdc_ether
> > [ 2.426133] usbcore: registered new interface driver net1080
> > [ 2.426155] usbcore: registered new interface driver cdc_subset
> > [ 2.426177] usbcore: registered new interface driver zaurus
> > [ 2.426210] usbcore: registered new interface driver cdc_ncm
> > [ 2.426956] usbcore: registered new interface driver uas
> > [ 2.426987] usbcore: registered new interface driver usb-storage
> > [ 2.427429] rtc_zynqmp ffa60000.rtc: registered as rtc0
> > [ 2.427475] i2c /dev entries driver
> > [ 2.428812] usbcore: registered new interface driver uvcvideo
> > [ 2.428816] USB Video Class driver (1.1.1)
> > [ 2.429113] Bluetooth: HCI UART driver ver 2.3
> > [ 2.429119] Bluetooth: HCI UART protocol H4 registered
> > [ 2.429123] Bluetooth: HCI UART protocol BCSP registered
> > [ 2.429142] Bluetooth: HCI UART protocol LL registered
> > [ 2.429146] Bluetooth: HCI UART protocol ATH3K registered
> > [ 2.429162] Bluetooth: HCI UART protocol Three-wire (H5) registered
> > [ 2.429199] Bluetooth: HCI UART protocol Intel registered
> > [ 2.429215] Bluetooth: HCI UART protocol QCA registered
> > [ 2.429243] usbcore: registered new interface driver bcm203x
> > [ 2.429269] usbcore: registered new interface driver bpa10x
> > [ 2.429297] usbcore: registered new interface driver bfusb
> > [ 2.429324] usbcore: registered new interface driver btusb
> > [ 2.429364] usbcore: registered new interface driver ath3k
> > [ 2.429476] EDAC MC: ECC not enabled
> > [ 2.429611] EDAC DEVICE0: Giving out device to module
> > zynqmp-ocm-edac controller zynqmp_ocm: DEV ff9600)
> > [ 2.430033] sdhci: Secure Digital Host Controller Interface driver
> > [ 2.430036] sdhci: Copyright(c) Pierre Ossman
> > [ 2.430040] sdhci-pltfm: SDHCI platform and OF driver helper
> > [ 2.430320] ledtrig-cpu: registered to indicate activity on CPUs
> > [ 2.430368] zynqmp_firmware_probe Platform Management API v1.1
> > [ 2.430374] zynqmp_firmware_probe Trustzone version v1.0
> > [ 2.454654] alg: No test for xilinx-zynqmp-aes (zynqmp-aes)
> > [ 2.454837] zynqmp_aes zynqmp_aes: AES Successfully Registered
> > [ 2.454837]
> > [ 2.454996] alg: No test for xilinx-keccak-384 (zynqmp-keccak-384)
> > [ 2.455232] alg: No test for xilinx-zynqmp-rsa (zynqmp-rsa)
> > [ 2.455498] usbcore: registered new interface driver usbhid
> > [ 2.455502] usbhid: USB HID core driver
> > [ 2.457878] ARM CCI_400_r1 PMU driver probed
> > [ 2.458341] fpga_manager fpga0: Xilinx ZynqMP FPGA Manager registered
> > [ 2.458714] usbcore: registered new interface driver snd-usb-audio
> > [ 2.459464] pktgen: Packet Generator for packet performance
> > testing. Version: 2.75
> > [ 2.460268] Initializing XFRM netlink socket
> > [ 2.460367] NET: Registered protocol family 10
> > [ 2.460796] Segment Routing with IPv6
> > [ 2.460911] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
> > [ 2.461256] NET: Registered protocol family 17
> > [ 2.461269] NET: Registered protocol family 15
> > [ 2.461288] bridge: filtering via arp/ip/ip6tables is no longer
> > available by default. Update your scrip.
> > [ 2.461293] can: controller area network core (rev 20170425 abi 9)
> > [ 2.461324] NET: Registered protocol family 29
> > [ 2.461329] can: raw protocol (rev 20170425)
> > [ 2.461334] can: broadcast manager protocol (rev 20170425 t)
> > [ 2.461340] can: netlink gateway (rev 20190810) max_hops=1
> > [ 2.461410] Bluetooth: RFCOMM TTY layer initialized
> > [ 2.461418] Bluetooth: RFCOMM socket layer initialized
> > [ 2.461433] Bluetooth: RFCOMM ver 1.11
> > [ 2.461441] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> > [ 2.461445] Bluetooth: BNEP filters: protocol multicast
> > [ 2.461451] Bluetooth: BNEP socket layer initialized
> > [ 2.461455] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
> > [ 2.461460] Bluetooth: HIDP socket layer initialized
> > [ 2.461572] 9pnet: Installing 9P2000 support
> > [ 2.461594] Key type dns_resolver registered
> > [ 2.461983] registered taskstats version 1
> > [ 2.461987] Loading compiled-in X.509 certificates
> > [ 2.463025] Btrfs loaded, crc32c=crc32c-generic
> > [ 2.472375] ff000000.serial: ttyPS0 at MMIO 0xff000000 (irq = 38,
> > base_baud = 6249999) is a xuartps
> > [ 3.778541] printk: console [ttyPS0] enabled
> > [ 3.783170] of-fpga-region fpga-full: FPGA Region probed
> > [ 3.789082] GPIO IRQ not connected
> > [ 3.792480] XGpio: gpio@410000000: registered, base is 511
> > [ 3.798608] xilinx-zynqmp-dma fd500000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.805716] xilinx-zynqmp-dma fd510000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.812828] xilinx-zynqmp-dma fd520000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.819943] xilinx-zynqmp-dma fd530000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.827054] xilinx-zynqmp-dma fd540000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.834158] xilinx-zynqmp-dma fd550000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.841265] xilinx-zynqmp-dma fd560000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.848377] xilinx-zynqmp-dma fd570000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.855552] xilinx-zynqmp-dma ffa80000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.862660] xilinx-zynqmp-dma ffa90000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.869764] xilinx-zynqmp-dma ffaa0000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.876871] xilinx-zynqmp-dma ffab0000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.883982] xilinx-zynqmp-dma ffac0000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.891085] xilinx-zynqmp-dma ffad0000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.898192] xilinx-zynqmp-dma ffae0000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.905308] xilinx-zynqmp-dma ffaf0000.dma: ZynqMP DMA driver Probe succ=
> > ess
> > [ 3.912758] spi_master spi0: cannot find modalias for
> > /amba/spi@ff0f0000/flash@0
> > [ 3.920152] spi_master spi0: Failed to create SPI device for
> > /amba/spi@ff0f0000/flash@0
> > [ 3.928451] macb ff0e0000.ethernet: Not enabling partial store and forwa=
> > rd
> > [ 3.935888] libphy: MACB_mii_bus: probed
> > [ 3.973440] zynqmp_pll_disable() clock disable failed for dpll_int, ret =
> > = -13
> > [ 4.012877] Micrel KSZ9031 Gigabit PHY
> > ff0e0000.ethernet-ffffffff:04: attached PHY driver [Micrel KSZ90)
> > [ 4.028694] macb ff0e0000.ethernet eth0: Cadence GEM rev 0x50070106
> > at 0xff0e0000 irq 30 (00:0a:35:00:2)
> > [ 4.038824] xilinx-axipmon ffa00000.perf-monitor: Probed Xilinx APM
> > [ 4.045350] xilinx-axipmon fd0b0000.perf-monitor: Probed Xilinx APM
> > [ 4.051829] xilinx-axipmon fd490000.perf-monitor: Probed Xilinx APM
> > [ 4.058319] xilinx-axipmon ffa10000.perf-monitor: Probed Xilinx APM
> > [ 4.098280] mmc0: SDHCI controller on ff170000.mmc [ff170000.mmc]
> > using ADMA 64-bit
> > [ 4.108569] rtc_zynqmp ffa60000.rtc: setting system clock to
> > 2068-03-21T21:23:50 UTC (3099590630)
> > [ 4.117439] of_cfs_init
> > [ 4.119894] of_cfs_init: OK
> > [ 4.125107] pps pps0: new PPS source ptp0
> > [ 4.129118] macb ff0e0000.ethernet: gem-ptp-timer ptp clock registered.
> > [ 4.159643] mmc0: new high speed SDHC card at address 5048
> > [ 4.165584] mmcblk0: mmc0:5048 SD32G 28.9 GiB
> > [ 4.171651] mmcblk0: p1 p2
> > [ 8.224688] macb ff0e0000.ethernet eth0: link up (1000/Full)
> > [ 8.236115] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> > [ 8.256098] IP-Config: Complete:
> > [ 8.259316] device=eth0, hwaddr=00:0a:35:00:22:01,
> > ipaddr=9.2.227.19, mask=255.255.248.0, gw=9.2.22
> > [ 8.269052] host=9.2.227.19, domain=, nis-domain=(none)
> > [ 8.274701] bootserver=9.2.225.84, rootserver=9.2.225.84, rootp=
> > ath=
> > [ 8.281560] cfg80211: Loading compiled-in X.509 certificates for
> > regulatory database
> > [ 8.418185] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
> > [ 8.425939] ALSA device list:
> > [ 8.428903] No soundcards found.
> > [ 8.432616] platform regulatory.0: Direct firmware load for
> > regulatory.db failed with error -2
> > [ 8.441227] cfg80211: failed to load regulatory.db
> > [ 8.453336] VFS: Mounted root (nfs filesystem) on device 0:19.
> > [ 8.459597] devtmpfs: mounted
> > [ 8.462795] Freeing unused kernel memory: 768K
> > [ 8.476133] Run /sbin/init as init process
> > [ 8.490298] random: fast init done
> > [ 8.664485] cgroup2: Unknown parameter 'memory_recursiveprot'
> > [ 8.679628] systemd[1]: systemd 248.3-1ubuntu8 running in system
> > mode. (+PAM +AUDIT +SELINUX +APPARMOR )
> > [ 8.710820] systemd[1]: Detected architecture arm64.
> >
> > Welcome to Ubuntu 21.10!
> >
> > [ 8.729369] systemd[1]: Hostname set to <cuttlefisharm1>.
> > [ 8.999096] random: lvmconfig: uninitialized urandom read (4 bytes read)
> > [ 10.381721] random: crng init done
> > [ 10.524500] systemd[1]: Queued start job for default target
> > Graphical Interface.
> > [ 10.554125] systemd[1]: Created slice system-modprobe.slice.
> > [ OK ] Created slice system-modprobe.slice.
> > [ 10.577283] systemd[1]: Created slice system-postfix.slice.
> > [ OK ] Created slice system-postfix.slice.
> > [ 10.617032] systemd[1]: Created slice system-serial\x2dgetty.slice.
> > [ OK ] Created slice system-serial\x2dgetty.slice.
> > [ 10.640937] systemd[1]: Created slice User and Session Slice.
> > [ OK ] Created slice User and Session Slice.
> > [ 10.664379] systemd[1]: Started Forward Password Requests to Wall
> > Directory Watch.
> > [ OK ] Started Forward Password R=E2=80=A6uests to Wall Directory Watch.
> > [ 10.688428] systemd[1]: Condition check resulted in Arbitrary
> > Executable File Formats File System Autom.
> > [ 10.700339] systemd[1]: Reached target User and Group Name Lookups.
> > [ OK ] Reached target User and Group Name Lookups.
> > [ 10.724261] systemd[1]: Reached target Slices.
> > [ OK ] Reached target Slices.
> > [ 10.740213] systemd[1]: Reached target Swap.
> > [ OK ] Reached target Swap.
> > [ 10.756225] systemd[1]: Reached target Local Verity Integrity
> > Protected Volumes.
> > [ OK ] Reached target Local Verity Integrity Protected Volumes.
> > [ 10.780472] systemd[1]: Listening on Device-mapper event daemon FIFOs.
> > [ OK ] Listening on Device-mapper event daemon FIFOs.
> > [ 10.805429] systemd[1]: Listening on LVM2 poll daemon socket.
> > [ OK ] Listening on LVM2 poll daemon socket.
> > [ 10.829147] systemd[1]: Listening on Syslog Socket.
> > [ OK ] Listening on Syslog Socket.
> > [ 10.844349] systemd[1]: Listening on initctl Compatibility Named Pipe.
> > [ OK ] Listening on initctl Compatibility Named Pipe.
> > [ 10.869255] systemd[1]: Listening on Journal Audit Socket.
> > [ OK ] Listening on Journal Audit Socket.
> > [ 10.892444] systemd[1]: Listening on Journal Socket (/dev/log).
> > [ OK ] Listening on Journal Socket (/dev/log).
> > [ 10.916550] systemd[1]: Listening on Journal Socket.
> > [ OK ] Listening on Journal Socket.
> > [ 10.933073] systemd[1]: Listening on Network Service Netlink Socket.
> > [ OK ] Listening on Network Service Netlink Socket.
> > [ 10.957516] systemd[1]: Listening on udev Control Socket.
> > [ OK ] Listening on udev Control Socket.
> > [ 10.980463] systemd[1]: Listening on udev Kernel Socket.
> > [ OK ] Listening on udev Kernel Socket.
> > [ 11.022153] systemd[1]: Mounting Huge Pages File System...
> > Mounting Huge Pages File System...
> > [ 11.042793] systemd[1]: Mounting POSIX Message Queue File System...
> > Mounting POSIX Message Queue File System...
> > [ 11.066957] systemd[1]: Mounting Kernel Debug File System...
> > Mounting Kernel Debug File System...
> > [ 11.084562] systemd[1]: Condition check resulted in Kernel Trace
> > File System being skipped.
> > [ 11.093444] systemd[1]: systemd-journald.service: unit configures
> > an IP firewall, but the local system .
> > [ 11.106321] systemd[1]: (This warning is only shown for the first
> > unit using IP firewalling.)
> > [ 11.134296] systemd[1]: Starting Journal Service...
> > Starting Journal Service...
> > [ 11.152502] systemd[1]: Starting Set the console keyboard layout...
> > Starting Set the console keyboard layout...
> > [ 11.177623] systemd[1]: Condition check resulted in Create list of
> > static device nodes for the current .
> > [ 11.191847] systemd[1]: Starting Monitoring of LVM2 mirrors,
> > snapshots etc. using dmeventd or progress .
> > Starting Monitoring of LVM=E2=80=A6meventd or progress polling...
> > [ 11.223907] systemd[1]: Starting Load Kernel Module configfs...
> > Starting Load Kernel Module configfs...
> > [ 11.243273] systemd[1]: Starting Load Kernel Module drm...
> > Starting Load Kernel Module drm...
> > [ 11.263091] systemd[1]: Starting Load Kernel Module fuse...
> > Starting Load Kernel Module fuse...
> > [ 11.280719] systemd[1]: Condition check resulted in OpenVSwitch
> > configuration for cleanup being skipped.
> > [ 11.293757] systemd[1]: Condition check resulted in Set Up
> > Additional Binary Formats being skipped.
> > [ 11.326335] systemd[1]: Starting Load Kernel Modules...
> > Starting Load Kernel Modules...
> > [ 11.343343] systemd[1]: Starting Remount Root and Kernel File Systems...
> > Starting Remount Root and Kernel File Systems...
> > [ 11.367153] systemd[1]: Starting Coldplug All udev Devices...
> > Starting Coldplug All udev Devices...
> > [ 11.387135] systemd[1]: Starting Uncomplicated firewall...
> > Starting Uncomplicated firewall...
> > [ 11.408038] systemd[1]: Started Journal Service.
> > [ OK ] Started Journal Service.
> > [ OK ] Mounted Huge Pages File System.
> > [ OK ] Mounted POSIX Message Queue File System.
> > [ OK ] Mounted Kernel Debug File System.
> > [ OK ] Finished Set the console keyboard layout.
> > [ OK ] Finished Load Kernel Module configfs.
> > [ OK ] Finished Load Kernel Module drm.
> > [ OK ] Finished Load Kernel Module fuse.
> > [ OK ] Finished Load Kernel Modules.
> > [ OK ] Finished Remount Root and Kernel File Systems.
> > [ OK ] Finished Uncomplicated firewall.
> > Mounting Kernel Configuration File System...
> > Starting Flush Journal to Persistent Storage...
> > Starting Load/Save Random Seed...
> > [ 11.673665] systemd-journald[379]: Received client request to flush
> > runtime journal.
> > Starting Apply Kernel Variables...
> > Starting Create System Users...
> > [ OK ] Mounted Kernel Configuration File System.
> > [ OK ] Finished Apply Kernel Variables.
> > [ OK ] Finished Create System Users.
> > [ OK ] Finished Load/Save Random Seed.
> > Starting Create Static Device Nodes in /dev...
> > [ OK ] Finished Create Static Device Nodes in /dev.
> > Starting Rule-based Manage=E2=80=A6for Device Events and Files...
> > [ OK ] Finished Coldplug All udev Devices.
> > [ OK ] Started Rule-based Manager for Device Events and Files.
> > [ OK ] Started Dispatch Password =E2=80=A6ts to Console Directory Watch.
> > [ OK ] Reached target Local Encrypted Volumes.
> > [ OK ] Found device /dev/ttyPS0.
> > [ OK ] Finished Flush Journal to Persistent Storage.
> > [ OK ] Listening on Load/Save RF =E2=80=A6itch Status /dev/rfkill Watch.
> > [ OK ] Finished Monitoring of LVM=E2=80=A6 dmeventd or progress polling.
> > [ OK ] Reached target Local File Systems (Pre).
> > Mounting Mount unit for core18, revision 2127...
> > Mounting Mount unit for lxd, revision 21032...
> > Mounting Mount unit for snapd, revision 12707...
> > [FAILED] Failed to mount Mount unit for core18, revision 2127.
> > See 'systemctl status snap-core18-2127.mount' for details.
> > [FAILED] Failed to mount Mount unit for lxd, revision 21032.
> > See 'systemctl status snap-lxd-21032.mount' for details.
> > [DEPEND] Dependency failed for Sock=E2=80=A6r snap application lxd.daemon.
> > [DEPEND] Dependency failed for Serv=E2=80=A6snap application lxd.activate.
> > [FAILED] Failed to mount Mount unit for snapd, revision 12707.
> > See 'systemctl status snap-snapd-12707.mount' for details.
> > [ OK ] Reached target Local File Systems.
> > Starting Set console font and keymap...
> > Starting Create final runt=E2=80=A6dir for shutdown pivot root...
> > Starting Tell Plymouth To Write Out Runtime Data...
> > Starting Create Volatile Files and Directories...
> > [ OK ] Finished Set console font and keymap.
> > [ OK ] Finished Create final runt=E2=80=A6e dir for shutdown pivot root.
> > [ OK ] Finished Tell Plymouth To Write Out Runtime Data.
> > [ OK ] Finished Create Volatile Files and Directories.
> > Starting Network Time Synchronization...
> > Starting Update UTMP about System Boot/Shutdown...
> > Starting Initial cloud-init job (pre-networking)...
> > [ OK ] Finished Update UTMP about System Boot/Shutdown.
> > [ 15.197645] proc: Bad value for 'hidepid'
> > [ OK ] Started Network Time Synchronization.
> > [ OK ] Reached target System Time Set.
> > [ 18.316749] cloud-init[591]: Cloud-init v.
> > 21.3-1-g6803368d-0ubuntu3 running 'init-local' at Wed, 21 Ma.
> > [ OK ] Finished Initial cloud-init job (pre-networking).
> > [ OK ] Reached target Network (Pre).
> > Starting Network Service...
> > [ 19.286854] proc: Bad value for 'hidepid'
> > [ OK ] Started Network Service.
> > Starting Wait for Network to be Configured...
> > Starting Network Name Resolution...
> > [ OK ] Finished Wait for Network to be Configured.
> > Starting Initial cloud-ini=E2=80=A6 (metadata service crawler)...
> > [ 19.792990] proc: Bad value for 'hidepid'
> > [ OK ] Started Network Name Resolution.
> > [ OK ] Reached target Network.
> > [ OK ] Reached target Host and Network Name Lookups.
> > [ 22.265736] cloud-init[600]: Cloud-init v.
> > 21.3-1-g6803368d-0ubuntu3 running 'init' at Wed, 21 Mar 2068.
> > [ 22.786663] cloud-init[600]: ci-info:
> > +++++++++++++++++++++++++++++++++++++++Net device info++++++++++++
> > [ 22.808420] cloud-init[600]: ci-info:
> > +--------+-------+-----------------------------+---------------+-+
> > [ 22.828271] cloud-init[600]: ci-info: | Device | Up |
> > Address | Mask | |
> > [ 22.852353] cloud-init[600]: ci-info:
> > +--------+-------+-----------------------------+---------------+-+
> > [ 22.872295] cloud-init[600]: ci-info: | eth0 | True |
> > 9.2.227.19 | 255.255.248.0 | |
> > [ 22.896341] cloud-init[600]: ci-info: | eth0 | True |
> > fe80::20a:35ff:fe00:2201/64 | . | |
> > [ 22.916259] cloud-init[600]: ci-info: | lo | True |
> > 127.0.0.1 | 255.0.0.0 | |
> > [ 22.936185] cloud-init[600]: ci-info: | lo | True |
> > ::1/128 | . | |
> > [ 22.956216] cloud-init[600]: ci-info: | sit0 | False |
> > . | . | |
> > [ 22.976301] cloud-init[600]: ci-info:
> > +--------+-------+-----------------------------+---------------+-+
> > [ 22.996188] cloud-init[600]: ci-info:
> > ++++++++++++++++++++++++++++Route IPv4 info+++++++++++++++++++++++
> > [ 23.012160] cloud-init[600]: ci-info:
> > +-------+-------------+-----------+---------------+-----------+--+
> > [ 23.028202] cloud-init[600]: ci-info: | Route | Destination |
> > Gateway | Genmask | Interface | F|
> > [ 23.044232] cloud-init[600]: ci-info:
> > +-------+-------------+-----------+---------------+-----------+--+
> > [ 23.060170] cloud-init[600]: ci-info: | 0 | 0.0.0.0 |
> > 9.2.224.2 | 0.0.0.0 | eth0 | |
> > [ 23.076161] cloud-init[600]: ci-info: | 1 | 9.2.224.0 |
> > 0.0.0.0 | 255.255.248.0 | eth0 | |
> > [ 23.092214] cloud-init[600]: ci-info:
> > +-------+-------------+-----------+---------------+-----------+--+
> > [ 23.108241] cloud-init[600]: ci-info: +++++++++++++++++++Route IPv6
> > info+++++++++++++++++++
> > [ 23.124244] cloud-init[600]: ci-info:
> > +-------+-------------+---------+-----------+-------+
> > [ 23.140174] cloud-init[600]: ci-info: | Route | Destination |
> > Gateway | Interface | Flags |
> > [ 23.156195] cloud-init[600]: ci-info:
> > +-------+-------------+---------+-----------+-------+
> > [ 23.172160] cloud-init[600]: ci-info: | 1 | local | ::
> > | eth0 | U |
> > [ 23.188274] cloud-init[600]: ci-info: | 2 | fe80::/64 | ::
> > | eth0 | U |
> > [ 23.204213] cloud-init[600]: ci-info: | 3 | ff00::/8 | ::
> > | eth0 | U |
> > [ 23.421637] cloud-init[600]: ci-info:
> > +-------+-------------+---------+-----------+-------+
> > [ OK ] Finished Initial cloud-ini=E2=80=A6ob (metadata service crawler).
> > [ OK ] Reached target Cloud-config availability.
> > [ OK ] Reached target Network is Online.
> > [ OK ] Reached target System Initialization.
> > [ OK ] Started Trigger to poll fo=E2=80=A6y enabled on GCP LTS non-pro).
> > [ OK ] Started Daily apt download activities.
> > [ OK ] Started Daily apt upgrade and clean activities.
> > [ OK ] Started Periodic ext4 Onli=E2=80=A6ata Check for All Filesystems.
> > [ OK ] Started Discard unused blocks once a week.
> > [ OK ] Started Refresh fwupd metadata regularly.
> > [ OK ] Started Daily rotation of log files.
> > [ OK ] Started Daily man-db regeneration.
> > [ OK ] Started Message of the Day.
> > [ OK ] Started Daily Cleanup of Temporary Directories.
> > [ OK ] Started Ubuntu Advantage Timer for running repeated jobs.
> > [ OK ] Started Download data for =E2=80=A6ailed at package install time.
> > [ OK ] Started Check to see wheth=E2=80=A6w version of Ubuntu available.
> > [ OK ] Reached target Paths.
> > [ OK ] Reached target Timers.
> > [ OK ] Listening on cloud-init hotplug hook socket.
> > [ OK ] Listening on D-Bus System Message Bus Socket.
> > Starting Docker Socket for the API.
> > [ OK ] Listening on Open-iSCSI iscsid Socket.
> > Starting Socket activation for snappy daemon.
> > [ OK ] Listening on UUID daemon activation socket.
> > [ OK ] Reached target Remote File Systems (Pre).
> > [ OK ] Reached target Remote File Systems.
> > [ OK ] Finished Availability of block devices.
> > [ OK ] Listening on Docker Socket for the API.
> > [ OK ] Listening on Socket activation for snappy daemon.
> > [ OK ] Reached target Sockets.
> > [ OK ] Reached target Basic System.
> > Starting Accounts Service...
> > Starting LSB: automatic crash report generation...
> > Starting Deferred execution scheduler...
> > Starting containerd container runtime...
> > [ OK ] Started Regular background program processing daemon.
> > [ OK ] Started D-Bus System Message Bus.
> > [ OK ] Started Save initial kernel messages after boot.
> > Starting Remove Stale Onli=E2=80=A6t4 Metadata Check Snapshots...
> > [ OK ] Started irqbalance daemon.
> > Starting Dispatcher daemon for systemd-networkd...
> > Starting Postfix Mail Transport Agent (instance -)...
> > Starting System Logging Service...
> > Starting Snap Daemon...
> > Starting OpenBSD Secure Shell server...
> > Starting User Login Management...
> > Starting Permit User Sessions...
> > Starting Ubuntu FAN network setup...
> > [ 26.275017] proc: Bad value for 'hidepid'
> > Starting Disk Manager...
> > Starting Rotate log files...
> > Starting Daily man-db regeneration...
> > [ OK ] Started Deferred execution scheduler.
> > [ OK ] Finished Remove Stale Onli=E2=80=A6ext4 Metadata Check Snapshots.
> > [ OK ] Finished Permit User Sessions.
> > [ OK ] Finished Ubuntu FAN network setup.
> > [ OK ] Started System Logging Service.
> > Starting Hold until boot process finishes up...
> > Starting Terminate Plymouth Boot Screen...
> > [ OK ] Finished Terminate Plymouth Boot Screen.
> > [ OK ] Started OpenBSD Secure Shell server.
> > [ OK ] Finished Hold until boot process finishes up.
> > [ OK ] Started Serial Getty on ttyPS0.
> > Starting Set console scheme...
> > [ OK ] Started LSB: automatic crash report generation.
> > [ OK ] Finished Set console scheme.
> > [ OK ] Created slice system-getty.slice.
> > [ OK ] Started Getty on tty1.
> > [ OK ] Reached target Login Prompts.
> > [ OK ] Started User Login Management.
> > [ OK ] Started Unattended Upgrades Shutdown.
> > Starting Authorization Manager...
> > [ OK ] Started Authorization Manager.
> > [ OK ] Started Accounts Service.
> > [ OK ] Started Dispatcher daemon for systemd-networkd.
> > [ OK ] Started Snap Daemon.
> > Starting Wait until snapd is fully seeded...
> > [ OK ] Finished Wait until snapd is fully seeded.
> > Starting Apply the settings specified in cloud-config...
> > [ OK ] Started containerd container runtime.
> > Starting Docker Application Container Engine...
> > [ OK ] Started Disk Manager.
> > [FAILED] Failed to start Postfix Ma=E2=80=A6 Transport Agent (instance -).
> > See 'systemctl status postfix@-.service' for details.
> > [ 29.973135] overlayfs: filesystem on
> > '/var/lib/docker/check-overlayfs-support260923788/upper' not suppor
> > [ 30.618293] overlayfs: filesystem on
> > '/var/lib/docker/check-overlayfs-support168220027/upper' not suppor
> > [ 31.664641] cloud-init[790]: Cloud-init v.
> > 21.3-1-g6803368d-0ubuntu3 running 'modules:config' at Wed, 2.
> >
> > Ubuntu 21.10 cuttlefisharm1 ttyPS0
> >
> > cuttlefisharm1 login: [ 35.251865] overlayfs: filesystem on
> > '/var/lib/docker/check-overlayfs-support7114r
> > [ 35.903183] cloud-init[858]: Cloud-init v.
> > 21.3-1-g6803368d-0ubuntu3 running 'modules:final' at Wed, 21.
> > [ 35.923127] overlayfs: filesystem on
> > '/var/lib/docker/check-overlayfs-support746885532/upper' not suppor
> > [ 35.975901] cloud-init[858]: Cloud-init v.
> > 21.3-1-g6803368d-0ubuntu3 finished at Wed, 21 Mar 2068 21:24s
> > [ 36.082810] cloud-init[858]: 2068-03-21 21:24:22,477 -
> > cc_final_message.py[WARNING]: Used fallback datae
> > [ 40.413307] overlayfs: filesystem on
> > '/var/lib/docker/check-overlayfs-support002292139/upper' not suppor
> > [ 40.937166] overlayfs: filesystem on
> > '/var/lib/docker/check-overlayfs-support240114958/upper' not suppor
> > [ 112.624740] Unable to handle kernel NULL pointer dereference at
> > virtual address 0000000000000000
> > [ 112.633516] Mem abort info:
> > [ 112.636291] ESR = 0x96000004
> > [ 112.639330] EC = 0x25: DABT (current EL), IL = 32 bits
> > [ 112.644624] SET = 0, FnV = 0
> > [ 112.647662] EA = 0, S1PTW = 0
> > [ 112.650786] Data abort info:
> > [ 112.653651] ISV = 0, ISS = 0x00000004
> > [ 112.657470] CM = 0, WnR = 0
>
> If it is not software glitch, what hardware glitch is it given data abort info?
>
> Hillf
>
> > [ 112.660423] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000b4f60b000
> > [ 112.666845] [0000000000000000] pgd=0000000000000000
> > [ 112.671707] Internal error: Oops: 96000004 [#1] SMP
> > [ 112.676567] Modules linked in: br_netfilter
> > [ 112.680747] CPU: 2 PID: 1060 Comm: dd Not tainted 5.4.0-xilinx-v2020.2 #=
> > 1
> > [ 112.687521] Hardware name: xlnx,zynqmp (DT)
> > [ 112.691689] pstate: a0000085 (NzCv daIf -PAN -UAO)
> > [ 112.696472] pc : __wake_up_common+0x58/0x170
> > [ 112.700726] lr : __wake_up_common_lock+0x98/0x110
> > [ 112.705410] sp : ffff800011ad3520
> > [ 112.708709] x29: ffff800011ad3520 x28: 0000000000000080
> > [ 112.714003] x27: ffff800011ad3650 x26: 0000000000000000
> > [ 112.719298] x25: 0000000000000003 x24: 0000000000000000
> > [ 112.724593] x23: 0000000000000001 x22: ffff800011ad35f0
> > [ 112.729888] x21: ffff8000110d5d88 x20: 0000000000000001
> > [ 112.735183] x19: ffff8000110d5d80 x18: fffffe002d6cd0c8
> > [ 112.740477] x17: ffff000b6c001008 x16: ffff000b6c001028
> > [ 112.745772] x15: 0001000000000000 x14: 0000000000000000
> > [ 112.751067] x13: 0000000000000000 x12: 0000000000000000
> > [ 112.756362] x11: 0000000000000000 x10: 0000000000000000
> > [ 112.761657] x9 : 0000000000000000 x8 : 0000000000000000
> > [ 112.766952] x7 : 0000000000000000 x6 : ffffffffffffffe8
> > [ 112.772247] x5 : ffff800011ad35f0 x4 : ffff800011ad3650
> > [ 112.777541] x3 : 0000000000000000 x2 : 0000000000000001
> > [ 112.782836] x1 : 0000000000000000 x0 : 0000000000000000
> > [ 112.788132] Call trace:
> > [ 112.790565] __wake_up_common+0x58/0x170
> > [ 112.794479] __wake_up_common_lock+0x98/0x110
> > [ 112.798819] __wake_up+0x14/0x20
> > [ 112.802029] wake_up_bit+0x78/0xa0
> > [ 112.805416] unlock_buffer+0x2c/0x38
> > [ 112.808974] end_buffer_async_write+0x98/0x1c0
> > [ 112.813401] end_bio_bh_io_sync+0x30/0x60
> > [ 112.817396] bio_endio+0x114/0x170
> > [ 112.820791] brd_make_request+0x1c8/0x1d0
> > [ 112.824790] generic_make_request+0xa4/0x2c8
> > [ 112.829042] submit_bio+0x3c/0x1a0
> > [ 112.832427] submit_bh_wbc+0x18c/0x1f8
> > [ 112.836160] __block_write_full_page+0x300/0x570
> > [ 112.840760] block_write_full_page+0x110/0x120
> > [ 112.845187] blkdev_writepage+0x18/0x20
> > [ 112.849009] __writepage+0x1c/0x80
> > [ 112.852401] write_cache_pages+0x170/0x370
> > [ 112.856481] generic_writepages+0x58/0x90
> > [ 112.860473] blkdev_writepages+0xc/0x18
> > [ 112.864292] do_writepages+0x50/0x100
> > [ 112.867939] __filemap_fdatawrite_range+0xfc/0x140
> > [ 112.872712] filemap_write_and_wait+0x28/0x88
> > [ 112.877053] __blkdev_put+0x80/0x258
> > [ 112.880610] blkdev_put+0x4c/0x110
> > [ 112.883996] blkdev_close+0x1c/0x28
> > [ 112.887469] __fput+0x88/0x208
> > [ 112.890506] ____fput+0xc/0x18
> > [ 112.893545] task_work_run+0xc8/0xf8
> > [ 112.897105] do_notify_resume+0x344/0x388
> > [ 112.901104] work_pending+0x8/0x10
> > [ 112.904493] Code: 54000700 a90153f3 2a0203f7 52800018 (f9400cd3)
> > [ 112.910576] ---[ end trace 2627235d8e7d8d8a ]---
> > [ 112.915231] BUG: Bad page map in process dd pte:20000b5600efd3 pmd:b68c=
> > da003
> > [ 112.915329] Unable to handle kernel NULL pointer dereference at
> > virtual address 0000000000000020
> > [ 112.922361] addr:0000aaaae7723000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b64190c60 0
> > [ 112.922373] file:dd fault:filemap_fault mmap:nfs_file_mmap
> > readpage:nfs_readpage
> > [ 112.922379] CPU: 2 PID: 1060 Comm: dd Tainted: G D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 112.931151] Mem abort info:
> > [ 112.941127] Hardware name: xlnx,zynqmp (DT)
> > [ 112.941128] Call trace:
> > [ 112.941131] dump_backtrace+0x0/0x140
> > [ 112.941134] show_stack+0x14/0x20
> > [ 112.941143] dump_stack+0xac/0xd0
> > [ 112.948520] ESR = 0x96000004
> > [ 112.956675] print_bad_pte+0x164/0x1e8
> > [ 112.956678] vm_normal_page+0x88/0xa8
> > [ 112.956682] unmap_page_range+0x5d0/0xc48
> > [ 112.959466] EC = 0x25: DABT (current EL), IL = 32 bits
> > [ 112.963627] unmap_single_vma+0x48/0xa0
> > [ 112.963629] unmap_vmas+0x6c/0xe0
> > [ 112.963633] exit_mmap+0xc4/0x178
> > [ 112.963640] mmput+0x50/0x138
> > [ 112.966066] SET = 0, FnV = 0
> > [ 112.969712] do_exit+0x270/0x9b8
> > [ 112.969715] die+0x248/0x288
> > [ 112.969720] die_kernel_fault+0x60/0x70
> > [ 112.973023] EA = 0, S1PTW = 0
> > [ 112.976317] __do_kernel_fault+0x84/0x120
> > [ 112.976320] do_page_fault+0x1cc/0x478
> > [ 112.976325] do_translation_fault+0x5c/0x78
> > [ 112.979367] Data abort info:
> > [ 112.983096] do_mem_abort+0x3c/0x98
> > [ 112.983099] el1_da+0x1c/0x90
> > [ 112.983103] __wake_up_common+0x58/0x170
> > [ 112.983109] __wake_up_common_lock+0x98/0x110
> > [ 112.986755] ISV = 0, ISS = 0x00000004
> > [ 112.990744] __wake_up+0x14/0x20
> > [ 112.990747] wake_up_bit+0x78/0xa0
> > [ 112.990751] unlock_buffer+0x2c/0x38
> > [ 112.996052] CM = 0, WnR = 0
> > [ 112.999866] end_buffer_async_write+0x98/0x1c0
> > [ 112.999869] end_bio_bh_io_sync+0x30/0x60
> > [ 112.999875] bio_endio+0x114/0x170
> > [ 113.000062] Unable to handle kernel NULL pointer dereference at
> > virtual address 0000000000000020
> > [ 113.000064] Mem abort info:
> > [ 113.000066] ESR = 0x96000004
> > [ 113.000068] EC = 0x25: DABT (current EL), IL = 32 bits
> > [ 113.000070] SET = 0, FnV = 0
> > [ 113.000071] EA = 0, S1PTW = 0
> > [ 113.000072] Data abort info:
> > [ 113.000074] ISV = 0, ISS = 0x00000004
> > [ 113.000075] CM = 0, WnR = 0
> > [ 113.000078] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000b6502b000
> > [ 113.000080] [0000000000000020] pgd=0000000000000000
> > [ 113.000083] Internal error: Oops: 96000004 [#2] SMP
> > [ 113.000084] Modules linked in: br_netfilter
> > [ 113.000091] CPU: 1 PID: 665 Comm: rs:main Q:Reg Tainted: G D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 113.000093] Hardware name: xlnx,zynqmp (DT)
> > [ 113.000097] pstate: 20000005 (nzCv daif -PAN -UAO)
> > [ 113.000103] pc : kmem_cache_alloc+0x104/0x160
> > [ 113.000107] lr : kmem_cache_alloc+0x28/0x160
> > [ 113.000108] sp : ffff800011443d20
> > [ 113.000110] x29: ffff800011443d20 x28: ffff000b6368ad80
> > [ 113.000114] x27: ffff000b6368ad80 x26: 0000000000000002
> > [ 113.000117] x25: 0000000000000010 x24: 0000000000000000
> > [ 113.000121] x23: ffff8000111ab000 x22: 0000000000000001
> > [ 113.000124] x21: 0000000000000000 x20: 0000000000000000
> > [ 113.000128] x19: 0000000000000cc0 x18: 0000000000000000
> > [ 113.000131] x17: 0000000000000000 x16: 0000000000000000
> > [ 113.000134] x15: 0000000000000000 x14: ffff000b69fcc300
> > [ 113.000138] x13: 0000000000000000 x12: 0000000000000000
> > [ 113.000141] x11: 0000000000000000 x10: ffff000b6451a200
> > [ 113.000144] x9 : 0000000000000000 x8 : 0000000000000000
> > [ 113.000147] x7 : 0000000000000000 x6 : 0000000000000000
> > [ 113.000150] x5 : 0000000000000000 x4 : 0000000000000000
> > [ 113.000154] x3 : 0000000000000000 x2 : ffff8000110d9000
> > [ 113.000157] x1 : 0000000000000cc0 x0 : 000000000000004c
> > [ 113.000160] Call trace:
> > [ 113.000164] kmem_cache_alloc+0x104/0x160
> > [ 113.000170] getname_flags+0x44/0x1c8
> > [ 113.000173] user_path_at_empty+0x2c/0x58
> > [ 113.000177] do_faccessat+0x9c/0x258
> > [ 113.000180] __arm64_sys_faccessat+0x1c/0x28
> > [ 113.000186] el0_svc_common.constprop.0+0x68/0x160
> > [ 113.000189] el0_svc_handler+0x6c/0x88
> > [ 113.000192] el0_svc+0x8/0xc
> > [ 113.000198] Code: 52800001 9428e398 17ffffe9 37b00073 (b9402280)
> > [ 113.000200] ---[ end trace 2627235d8e7d8d8b ]---
> > [ 113.000233] Unable to handle kernel paging request at virtual
> > address 00000005aeed7d90
> > [ 113.000235] Mem abort info:
> > [ 113.000236] ESR = 0x96000004
> > [ 113.000238] EC = 0x25: DABT (current EL), IL = 32 bits
> > [ 113.000240] SET = 0, FnV = 0
> > [ 113.000241] EA = 0, S1PTW = 0
> > [ 113.000242] Data abort info:
> > [ 113.000244] ISV = 0, ISS = 0x00000004
> > [ 113.000245] CM = 0, WnR = 0
> > [ 113.000248] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000b6502b000
> > [ 113.000250] [00000005aeed7d90] pgd=0000000000000000
> > [ 113.000253] Internal error: Oops: 96000004 [#3] SMP
> > [ 113.000254] Modules linked in: br_netfilter
> > [ 113.000259] CPU: 1 PID: 665 Comm: rs:main Q:Reg Tainted: G D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 113.000261] Hardware name: xlnx,zynqmp (DT)
> > [ 113.000264] pstate: 80000005 (Nzcv daif -PAN -UAO)
> > [ 113.000269] pc : __d_lookup+0x38/0x1a8
> > [ 113.000273] lr : d_lookup+0x38/0x68
> > [ 113.000274] sp : ffff8000114437f0
> > [ 113.000276] x29: ffff8000114437f0 x28: ffff800011443928
> > [ 113.000280] x27: 0000000000000299 x26: ffff000b6bc03840
> > [ 113.000283] x25: 0000000000000276 x24: ffff800010ec2f08
> > [ 113.000287] x23: ffff000b6b900300 x22: 0000000000000000
> > [ 113.000290] x21: 00000000b5ddafb2 x20: ffff800011443928
> > [ 113.000294] x19: ffff8000110d8480 x18: 0000000000000000
> > [ 113.000297] x17: 0000000000000041 x16: 0000000000000001
> > [ 113.000301] x15: ffff000b6368b1a8 x14: ffffffffffffffff
> > [ 113.000304] x13: ffff800011443948 x12: ffff80001144393d
> > [ 113.000307] x11: 00e8000b5e172f53 x10: 0000000000000000
> > [ 113.000311] x9 : fffffe002d585c80 x8 : 0000000000000299
> > [ 113.000314] x7 : 000000000000ffff x6 : 0000000000000002
> > [ 113.000317] x5 : 61c8864680b583eb x4 : b937d799bfc46592
> > [ 113.000321] x3 : 0000000000353636 x2 : ffff8000110db000
> > [ 113.000324] x1 : 0000000000000000 x0 : 00000000b5ddafb2
> > [ 113.000327] Call trace:
> > [ 113.000330] __d_lookup+0x38/0x1a8
> > [ 113.000334] d_lookup+0x38/0x68
> > [ 113.000337] d_hash_and_lookup+0x50/0x68
> > [ 113.000342] proc_flush_task+0x98/0x198
> > [ 113.000345] release_task+0x64/0x4c0
> > [ 113.000348] do_exit+0x520/0x9b8
> > [ 113.000351] die+0x248/0x288
> > [ 113.000354] die_kernel_fault+0x60/0x70
> > [ 113.000357] __do_kernel_fault+0x84/0x120
> > [ 113.000360] do_page_fault+0x1cc/0x478
> > [ 113.000363] do_translation_fault+0x5c/0x78
> > [ 113.000366] do_mem_abort+0x3c/0x98
> > [ 113.000368] el1_da+0x1c/0x90
> > [ 113.000372] kmem_cache_alloc+0x104/0x160
> > [ 113.000376] getname_flags+0x44/0x1c8
> > [ 113.000380] user_path_at_empty+0x2c/0x58
> > [ 113.000383] do_faccessat+0x9c/0x258
> > [ 113.000386] __arm64_sys_faccessat+0x1c/0x28
> > [ 113.000390] el0_svc_common.constprop.0+0x68/0x160
> > [ 113.000393] el0_svc_handler+0x6c/0x88
> > [ 113.000396] el0_svc+0x8/0xc
> > [ 113.000401] Code: b9400395 b9401020 f9400421 1ac026a0 (f8607833)
> > [ 113.000403] ---[ end trace 2627235d8e7d8d8c ]---
> > [ 113.000405] Fixing recursive fault but reboot is needed!
> > [ 113.003180] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000b69ff9000
> > [ 113.006475] brd_make_request+0x1c8/0x1d0
> > [ 113.009429] [0000000000000020] pgd=0000000000000000
> > [ 113.012462] generic_make_request+0xa4/0x2c8
> > [ 113.012465] submit_bio+0x3c/0x1a0
> > [ 113.012469] submit_bh_wbc+0x18c/0x1f8
> > [ 113.015687] Internal error: Oops: 96000004 [#4] SMP
> > [ 113.018547] __block_write_full_page+0x300/0x570
> > [ 113.022364] Modules linked in: br_netfilter
> > [ 113.025491] block_write_full_page+0x110/0x120
> > [ 113.029484] CPU: 0 PID: 379 Comm: systemd-journal Tainted: G D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 113.033216] blkdev_writepage+0x18/0x20
> > [ 113.037381] Hardware name: xlnx,zynqmp (DT)
> > [ 113.040248] __writepage+0x1c/0x80
> > [ 113.043719] pstate: 20000005 (nzCv daif -PAN -UAO)
> > [ 113.046672] write_cache_pages+0x170/0x370
> > [ 113.050579] pc : kmem_cache_alloc+0x104/0x160
> > [ 113.054917] generic_writepages+0x58/0x90
> > [ 113.058737] lr : kmem_cache_alloc+0x28/0x160
> > [ 113.061947] blkdev_writepages+0xc/0x18
> > [ 113.065331] sp : ffff80001142bd60
> > [ 113.068891] do_writepages+0x50/0x100
> > [ 113.071841] x29: ffff80001142bd60 x28: ffff000b6aa58d80
> > [ 113.076270] __filemap_fdatawrite_range+0xfc/0x140
> > [ 113.080261] x27: 0000000000000000 x26: 0000000000000000
> > [ 113.083648] filemap_write_and_wait+0x28/0x88
> > [ 113.092413] x25: 0000000056000000 x24: 0000000000000015
> > [ 113.095192] __blkdev_put+0x80/0x258
> > [ 113.098228] x23: ffff8000111ab000 x22: 0000000000000000
> > [ 113.103525] blkdev_put+0x4c/0x110
> > [ 113.106561] x21: 0000000000000000 x20: 0000000000000000
> > [ 113.109688] blkdev_close+0x1c/0x28
> > [ 113.112550] x19: 0000000000000cc0 x18: 0000000000000000
> > [ 113.116372] __fput+0x88/0x208
> > [ 113.119321] x17: 0000000000000000 x16: 0000000000000000
> > [ 113.125746] ____fput+0xc/0x18
> > [ 113.130605] x15: 0000000000000000 x14: 0000000000000000
> > [ 113.135469] task_work_run+0xc8/0xf8
> > [ 113.139632] x13: 0000000000000000 x12: 0000000000000000
> > [ 113.148664] do_notify_resume+0x344/0x388
> > [ 113.152826] x11: 0000000000000000 x10: 0000000000000000
> > [ 113.157602] work_pending+0x8/0x10
> > [ 113.161940] x9 : 0000000000000000 x8 : 0000000000000000
> > [ 113.166209] BUG: Bad page map in process dd pte:20000b5275cfd3 pmd:b68c=
> > da003
> > [ 113.169491] x7 : 0000000000000000 x6 : 0000000000000002
> > [ 113.169494] x5 : 0000000000000000 x4 : 0000000000020802
> > [ 113.174803] addr:0000aaaae7724000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b64190c60 1
> > [ 113.180089] x3 : 0000000000000000 x2 : ffff8000110d9000
> > [ 113.180092] x1 : 0000000000000cc0 x0 : 000000000000004c
> > [ 113.180097] Call trace:
> > [ 113.185406] file:dd fault:filemap_fault mmap:nfs_file_mmap
> > readpage:nfs_readpage
> > [ 113.190690] kmem_cache_alloc+0x104/0x160
> > [ 113.190694] getname_flags+0x44/0x1c8
> > [ 113.190699] getname+0x14/0x20
> > [ 113.196001] CPU: 2 PID: 1060 Comm: dd Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 113.201289] do_sys_open+0xec/0x218
> > [ 113.206582] Hardware name: xlnx,zynqmp (DT)
> > [ 113.211878] __arm64_sys_openat+0x20/0x28
> > [ 113.217171] Call trace:
> > [ 113.222470] el0_svc_common.constprop.0+0x68/0x160
> > [ 113.227763] dump_backtrace+0x0/0x140
> > [ 113.233059] el0_svc_handler+0x6c/0x88
> > [ 113.238352] show_stack+0x14/0x20
> > [ 113.243647] el0_svc+0x8/0xc
> > [ 113.248944] dump_stack+0xac/0xd0
> > [ 113.251374] Code: 52800001 9428e398 17ffffe9 37b00073 (b9402280)
> > [ 113.255366] print_bad_pte+0x164/0x1e8
> > [ 113.259010] ---[ end trace 2627235d8e7d8d8d ]---
> > [ 113.263004] vm_normal_page+0x88/0xa8
> > [ 113.266602] BUG: Bad page map in process systemd-journal
> > pte:20000b692cffd3 pmd:b69db4003
> > [ 113.270815] unmap_page_range+0x5d0/0xc48
> > [ 113.270818] unmap_single_vma+0x48/0xa0
> > [ 113.270822] unmap_vmas+0x6c/0xe0
> > [ 113.275605] addr:0000aaaaabcb8000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b6a18f790 0
> > [ 113.279330] exit_mmap+0xc4/0x178
> > [ 113.279334] mmput+0x50/0x138
> > [ 113.279339] do_exit+0x270/0x9b8
> > [ 113.282210] file:systemd-journald fault:filemap_fault
> > mmap:nfs_file_mmap readpage:nfs_readpage
> > [ 113.288279] die+0x248/0x288
> > [ 113.288282] die_kernel_fault+0x60/0x70
> > [ 113.288285] __do_kernel_fault+0x84/0x120
> > [ 113.288289] do_page_fault+0x1cc/0x478
> > [ 113.925841] do_translation_fault+0x5c/0x78
> > [ 113.930007] do_mem_abort+0x3c/0x98
> > [ 113.933479] el1_da+0x1c/0x90
> > [ 113.936431] __wake_up_common+0x58/0x170
> > [ 113.940337] __wake_up_common_lock+0x98/0x110
> > [ 113.944677] __wake_up+0x14/0x20
> > [ 113.947887] wake_up_bit+0x78/0xa0
> > [ 113.951273] unlock_buffer+0x2c/0x38
> > [ 113.954832] end_buffer_async_write+0x98/0x1c0
> > [ 113.959258] end_bio_bh_io_sync+0x30/0x60
> > [ 113.963252] bio_endio+0x114/0x170
> > [ 113.966638] brd_make_request+0x1c8/0x1d0
> > [ 113.970630] generic_make_request+0xa4/0x2c8
> > [ 113.974883] submit_bio+0x3c/0x1a0
> > [ 113.978268] submit_bh_wbc+0x18c/0x1f8
> > [ 113.982001] __block_write_full_page+0x300/0x570
> > [ 113.986601] block_write_full_page+0x110/0x120
> > [ 113.991028] blkdev_writepage+0x18/0x20
> > [ 113.994848] __writepage+0x1c/0x80
> > [ 113.998233] write_cache_pages+0x170/0x370
> > [ 114.002313] generic_writepages+0x58/0x90
> > [ 114.006305] blkdev_writepages+0xc/0x18
> > [ 114.010124] do_writepages+0x50/0x100
> > [ 114.013770] __filemap_fdatawrite_range+0xfc/0x140
> > [ 114.018544] filemap_write_and_wait+0x28/0x88
> > [ 114.022884] __blkdev_put+0x80/0x258
> > [ 114.026443] blkdev_put+0x4c/0x110
> > [ 114.029828] blkdev_close+0x1c/0x28
> > [ 114.033300] __fput+0x88/0x208
> > [ 114.036338] ____fput+0xc/0x18
> > [ 114.039376] task_work_run+0xc8/0xf8
> > [ 114.042936] do_notify_resume+0x344/0x388
> > [ 114.046927] work_pending+0x8/0x10
> > [ 114.050315] CPU: 0 PID: 379 Comm: systemd-journal Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 114.050322] BUG: Bad page map in process dd pte:20000b5552ffd3 pmd:b68c=
> > da003
> > [ 114.059521] Hardware name: xlnx,zynqmp (DT)
> > [ 114.059522] Call trace:
> > [ 114.059526] dump_backtrace+0x0/0x140
> > [ 114.059530] show_stack+0x14/0x20
> > [ 114.066655] addr:0000aaaae7725000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b64190c60 2
> > [ 114.070817] dump_stack+0xac/0xd0
> > [ 114.070820] print_bad_pte+0x164/0x1e8
> > [ 114.070824] vm_normal_page+0x88/0xa8
> > [ 114.073260] file:dd fault:filemap_fault mmap:nfs_file_mmap
> > readpage:nfs_readpage
> > [ 114.076900] unmap_page_range+0x5d0/0xc48
> > [ 114.076903] unmap_single_vma+0x48/0xa0
> > [ 114.076906] unmap_vmas+0x6c/0xe0
> > [ 114.076910] exit_mmap+0xc4/0x178
> > [ 114.122653] mmput+0x50/0x138
> > [ 114.125604] do_exit+0x270/0x9b8
> > [ 114.128815] die+0x248/0x288
> > [ 114.131680] die_kernel_fault+0x60/0x70
> > [ 114.135499] __do_kernel_fault+0x84/0x120
> > [ 114.139492] do_page_fault+0x1cc/0x478
> > [ 114.143225] do_translation_fault+0x5c/0x78
> > [ 114.147391] do_mem_abort+0x3c/0x98
> > [ 114.150863] el1_da+0x1c/0x90
> > [ 114.153815] kmem_cache_alloc+0x104/0x160
> > [ 114.157808] getname_flags+0x44/0x1c8
> > [ 114.161453] getname+0x14/0x20
> > [ 114.164491] do_sys_open+0xec/0x218
> > [ 114.167963] __arm64_sys_openat+0x20/0x28
> > [ 114.171957] el0_svc_common.constprop.0+0x68/0x160
> > [ 114.176730] el0_svc_handler+0x6c/0x88
> > [ 114.180462] el0_svc+0x8/0xc
> > [ 114.183329] CPU: 2 PID: 1060 Comm: dd Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 114.183336] BUG: Bad page map in process systemd-journal
> > pte:20000b69b00fd3 pmd:b69db4003
> > [ 114.191493] Hardware name: xlnx,zynqmp (DT)
> > [ 114.191494] Call trace:
> > [ 114.191497] dump_backtrace+0x0/0x140
> > [ 114.191502] show_stack+0x14/0x20
> > [ 114.199756] addr:0000aaaaabcb9000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b6a18f790 1
> > [ 114.203916] dump_stack+0xac/0xd0
> > [ 114.203919] print_bad_pte+0x164/0x1e8
> > [ 114.203924] vm_normal_page+0x88/0xa8
> > [ 114.206361] file:systemd-journald fault:filemap_fault
> > mmap:nfs_file_mmap readpage:nfs_readpage
> > [ 114.210000] unmap_page_range+0x5d0/0xc48
> > [ 114.210003] unmap_single_vma+0x48/0xa0
> > [ 114.210006] unmap_vmas+0x6c/0xe0
> > [ 114.210011] exit_mmap+0xc4/0x178
> > [ 114.256969] mmput+0x50/0x138
> > [ 114.259920] do_exit+0x270/0x9b8
> > [ 114.263131] die+0x248/0x288
> > [ 114.265996] die_kernel_fault+0x60/0x70
> > [ 114.269815] __do_kernel_fault+0x84/0x120
> > [ 114.273808] do_page_fault+0x1cc/0x478
> > [ 114.277540] do_translation_fault+0x5c/0x78
> > [ 114.281706] do_mem_abort+0x3c/0x98
> > [ 114.285178] el1_da+0x1c/0x90
> > [ 114.288131] __wake_up_common+0x58/0x170
> > [ 114.292037] __wake_up_common_lock+0x98/0x110
> > [ 114.296377] __wake_up+0x14/0x20
> > [ 114.299587] wake_up_bit+0x78/0xa0
> > [ 114.302973] unlock_buffer+0x2c/0x38
> > [ 114.306532] end_buffer_async_write+0x98/0x1c0
> > [ 114.310958] end_bio_bh_io_sync+0x30/0x60
> > [ 114.314952] bio_endio+0x114/0x170
> > [ 114.318338] brd_make_request+0x1c8/0x1d0
> > [ 114.322329] generic_make_request+0xa4/0x2c8
> > [ 114.326582] submit_bio+0x3c/0x1a0
> > [ 114.329968] submit_bh_wbc+0x18c/0x1f8
> > [ 114.333700] __block_write_full_page+0x300/0x570
> > [ 114.338301] block_write_full_page+0x110/0x120
> > [ 114.342728] blkdev_writepage+0x18/0x20
> > [ 114.346548] __writepage+0x1c/0x80
> > [ 114.349933] write_cache_pages+0x170/0x370
> > [ 114.354013] generic_writepages+0x58/0x90
> > [ 114.358005] blkdev_writepages+0xc/0x18
> > [ 114.361823] do_writepages+0x50/0x100
> > [ 114.365470] __filemap_fdatawrite_range+0xfc/0x140
> > [ 114.370244] filemap_write_and_wait+0x28/0x88
> > [ 114.374584] __blkdev_put+0x80/0x258
> > [ 114.378143] blkdev_put+0x4c/0x110
> > [ 114.381528] blkdev_close+0x1c/0x28
> > [ 114.385000] __fput+0x88/0x208
> > [ 114.388038] ____fput+0xc/0x18
> > [ 114.391076] task_work_run+0xc8/0xf8
> > [ 114.394635] do_notify_resume+0x344/0x388
> > [ 114.398627] work_pending+0x8/0x10
> > [ 114.402015] CPU: 0 PID: 379 Comm: systemd-journal Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 114.402022] BUG: Bad page map in process dd pte:20000b51bd4fd3 pmd:b68c=
> > da003
> > [ 114.411221] Hardware name: xlnx,zynqmp (DT)
> > [ 114.411222] Call trace:
> > [ 114.411225] dump_backtrace+0x0/0x140
> > [ 114.411230] show_stack+0x14/0x20
> > [ 114.418356] addr:0000aaaae7726000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b64190c60 3
> > [ 114.422516] dump_stack+0xac/0xd0
> > [ 114.422518] print_bad_pte+0x164/0x1e8
> > [ 114.422521] vm_normal_page+0x88/0xa8
> > [ 114.422526] unmap_page_range+0x5d0/0xc48
> > [ 114.424960] file:dd fault:filemap_fault mmap:nfs_file_mmap
> > readpage:nfs_readpage
> > [ 114.428600] unmap_single_vma+0x48/0xa0
> > [ 114.428602] unmap_vmas+0x6c/0xe0
> > [ 114.428606] exit_mmap+0xc4/0x178
> > [ 114.428611] mmput+0x50/0x138
> > [ 114.477304] do_exit+0x270/0x9b8
> > [ 114.480515] die+0x248/0x288
> > [ 114.483380] die_kernel_fault+0x60/0x70
> > [ 114.487199] __do_kernel_fault+0x84/0x120
> > [ 114.491192] do_page_fault+0x1cc/0x478
> > [ 114.494924] do_translation_fault+0x5c/0x78
> > [ 114.499090] do_mem_abort+0x3c/0x98
> > [ 114.502562] el1_da+0x1c/0x90
> > [ 114.505515] kmem_cache_alloc+0x104/0x160
> > [ 114.509507] getname_flags+0x44/0x1c8
> > [ 114.513153] getname+0x14/0x20
> > [ 114.516190] do_sys_open+0xec/0x218
> > [ 114.519662] __arm64_sys_openat+0x20/0x28
> > [ 114.523657] el0_svc_common.constprop.0+0x68/0x160
> > [ 114.528430] el0_svc_handler+0x6c/0x88
> > [ 114.532162] el0_svc+0x8/0xc
> > [ 114.535028] CPU: 2 PID: 1060 Comm: dd Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 114.535035] BUG: Bad page map in process systemd-journal
> > pte:20000b694abfd3 pmd:b69db4003
> > [ 114.543193] Hardware name: xlnx,zynqmp (DT)
> > [ 114.543194] Call trace:
> > [ 114.543197] dump_backtrace+0x0/0x140
> > [ 114.543202] show_stack+0x14/0x20
> > [ 114.551455] addr:0000aaaaabcba000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b6a18f790 2
> > [ 114.555616] dump_stack+0xac/0xd0
> > [ 114.555619] print_bad_pte+0x164/0x1e8
> > [ 114.555623] vm_normal_page+0x88/0xa8
> > [ 114.558061] file:systemd-journald fault:filemap_fault
> > mmap:nfs_file_mmap readpage:nfs_readpage
> > [ 114.561700] unmap_page_range+0x5d0/0xc48
> > [ 114.561703] unmap_single_vma+0x48/0xa0
> > [ 114.561706] unmap_vmas+0x6c/0xe0
> > [ 114.561710] exit_mmap+0xc4/0x178
> > [ 114.608669] mmput+0x50/0x138
> > [ 114.611619] do_exit+0x270/0x9b8
> > [ 114.614830] die+0x248/0x288
> > [ 114.617695] die_kernel_fault+0x60/0x70
> > [ 114.621515] __do_kernel_fault+0x84/0x120
> > [ 114.625507] do_page_fault+0x1cc/0x478
> > [ 114.629240] do_translation_fault+0x5c/0x78
> > [ 114.633406] do_mem_abort+0x3c/0x98
> > [ 114.636878] el1_da+0x1c/0x90
> > [ 114.639831] __wake_up_common+0x58/0x170
> > [ 114.643737] __wake_up_common_lock+0x98/0x110
> > [ 114.648077] __wake_up+0x14/0x20
> > [ 114.651287] wake_up_bit+0x78/0xa0
> > [ 114.654672] unlock_buffer+0x2c/0x38
> > [ 114.658231] end_buffer_async_write+0x98/0x1c0
> > [ 114.662658] end_bio_bh_io_sync+0x30/0x60
> > [ 114.666652] bio_endio+0x114/0x170
> > [ 114.670037] brd_make_request+0x1c8/0x1d0
> > [ 114.670258] Unable to handle kernel paging request at virtual
> > address ffffffffffffffe0
> > [ 114.674031] generic_make_request+0xa4/0x2c8
> > [ 114.681932] Mem abort info:
> > [ 114.686183] submit_bio+0x3c/0x1a0
> > [ 114.688960] ESR = 0x96000004
> > [ 114.692345] submit_bh_wbc+0x18c/0x1f8
> > [ 114.695384] EC = 0x25: DABT (current EL), IL = 32 bits
> > [ 114.699116] __block_write_full_page+0x300/0x570
> > [ 114.704410] SET = 0, FnV = 0
> > [ 114.709011] block_write_full_page+0x110/0x120
> > [ 114.712049] EA = 0, S1PTW = 0
> > [ 114.716476] blkdev_writepage+0x18/0x20
> > [ 114.719600] Data abort info:
> > [ 114.723421] __writepage+0x1c/0x80
> > [ 114.726284] ISV = 0, ISS = 0x00000004
> > [ 114.729670] write_cache_pages+0x170/0x370
> > [ 114.733489] CM = 0, WnR = 0
> > [ 114.737569] generic_writepages+0x58/0x90
> > [ 114.740521] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000010040=
> > 00
> > [ 114.744513] blkdev_writepages+0xc/0x18
> > [ 114.751196] [ffffffffffffffe0] pgd=0000000000000000
> > [ 114.755015] do_writepages+0x50/0x100
> > [ 114.759877] Internal error: Oops: 96000004 [#5] SMP
> > [ 114.763523] __filemap_fdatawrite_range+0xfc/0x140
> > [ 114.768381] Modules linked in: br_netfilter
> > [ 114.773157] filemap_write_and_wait+0x28/0x88
> > [ 114.777324] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 114.781664] __blkdev_put+0x80/0x258
> > [ 114.790168] Hardware name: xlnx,zynqmp (DT)
> > [ 114.793729] blkdev_put+0x4c/0x110
> > [ 114.797895] pstate: 00000005 (nzcv daif -PAN -UAO)
> > [ 114.801280] blkdev_close+0x1c/0x28
> > [ 114.806058] pc : dev_gro_receive+0x25c/0x6c0
> > [ 114.809527] __fput+0x88/0x208
> > [ 114.813780] lr : napi_gro_receive+0x30/0xc8
> > [ 114.816818] ____fput+0xc/0x18
> > [ 114.820982] sp : ffff80001001bcf0
> > [ 114.824023] task_work_run+0xc8/0xf8
> > [ 114.827319] x29: ffff80001001bcf0 x28: 0000000000000000
> > [ 114.830881] do_notify_resume+0x344/0x388
> > [ 114.836173] x27: 000000008000c03c x26: ffff000b6a9708a0
> > [ 114.840167] work_pending+0x8/0x10
> > [ 114.845460] x25: 0000000000000000 x24: 000000000000000e
> > [ 114.848849] CPU: 0 PID: 379 Comm: systemd-journal Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 114.848857] BUG: Bad page map in process dd pte:20000b50cdcfd3 pmd:b68c=
> > da003
> > [ 114.848864] addr:0000aaaae7727000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b64190c60 4
> > [ 114.848873] file:dd fault:filemap_fault mmap:nfs_file_mmap
> > readpage:nfs_readpage
> > [ 114.854141] x23: ffff000b6a9708d8 x22: 0000000000000000
> > [ 114.863342] Hardware name: xlnx,zynqmp (DT)
> > [ 114.870459] x21: ffff8000110ddb98 x20: ffff000b68fcbf28
> > [ 114.880441] Call trace:
> > [ 114.887819] x19: ffff000b68fcbf00 x18: fffffe002d758f88
> > [ 114.893116] dump_backtrace+0x0/0x140
> > [ 114.897281] x17: ffff000b6c001088 x16: ffff000b6c0010a8
> > [ 114.902577] show_stack+0x14/0x20
> > [ 114.905006] x15: 0001000000000000 x14: ffffffffe95988c3
> > [ 114.910303] dump_stack+0xac/0xd0
> > [ 114.913946] x13: 003d08a7b5905ad6 x12: 00003d08ffff8ff4
> > [ 114.919243] print_bad_pte+0x164/0x1e8
> > [ 114.922540] x11: 000000000000700c x10: 0000000000000040
> > [ 114.927836] vm_normal_page+0x88/0xa8
> > [ 114.931133] x9 : ffff000b6a9708a0 x8 : ffff8000110f5360
> > [ 114.936429] unmap_page_range+0x5d0/0xc48
> > [ 114.940160] x7 : 0000000000000000 x6 : ffff000b454a78c0
> > [ 114.945456] unmap_single_vma+0x48/0xa0
> > [ 114.949101] x5 : ffff000b68fcbf28 x4 : 0000000000000000
> > [ 114.954397] unmap_vmas+0x6c/0xe0
> > [ 114.958388] x3 : 0000000000005a93 x2 : 0000000000000000
> > [ 114.963685] exit_mmap+0xc4/0x178
> > [ 114.967503] x1 : ffffffffffffffe0 x0 : ffff8000110de3a8
> > [ 114.972800] mmput+0x50/0x138
> > [ 114.976095] Call trace:
> > [ 114.981392] do_exit+0x270/0x9b8
> > [ 114.984691] dev_gro_receive+0x25c/0x6c0
> > [ 114.989985] die+0x248/0x288
> > [ 114.992937] napi_gro_receive+0x30/0xc8
> > [ 114.995367] die_kernel_fault+0x60/0x70
> > [ 114.998581] gem_rx+0x188/0x2b8
> > [ 115.002485] __do_kernel_fault+0x84/0x120
> > [ 115.005349] macb_poll+0x58/0x100
> > [ 115.009168] do_page_fault+0x1cc/0x478
> > [ 115.010933] Unable to handle kernel NULL pointer dereference at
> > virtual address 0000000000000020
> > [ 115.010934] Mem abort info:
> > [ 115.010936] ESR = 0x96000004
> > [ 115.010938] EC = 0x25: DABT (current EL), IL = 32 bits
> > [ 115.010940] SET = 0, FnV = 0
> > [ 115.010942] EA = 0, S1PTW = 0
> > [ 115.010943] Data abort info:
> > [ 115.010944] ISV = 0, ISS = 0x00000004
> > [ 115.010946] CM = 0, WnR = 0
> > [ 115.010948] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000b66d8d000
> > [ 115.010950] [0000000000000020] pgd=0000000000000000
> > [ 115.012988] net_rx_action+0x114/0x340
> > [ 115.016113] do_translation_fault+0x5c/0x78
> > [ 115.020105] __do_softirq+0x118/0x22c
> > [ 115.023403] do_mem_abort+0x3c/0x98
> > [ 115.027138] irq_exit+0x98/0xc0
> > [ 115.035903] el1_da+0x1c/0x90
> > [ 115.038682] __handle_domain_irq+0x64/0xb8
> > [ 115.041720] kmem_cache_alloc+0x104/0x160
> > [ 115.047013] gic_handle_irq+0x5c/0xb8
> > [ 115.050052] getname_flags+0x44/0x1c8
> > [ 115.053176] el1_irq+0xb8/0x140
> > [ 115.056041] getname+0x14/0x20
> > [ 115.059860] arch_cpu_idle+0x10/0x18
> > [ 115.062812] do_sys_open+0xec/0x218
> > [ 115.069235] do_idle+0x200/0x280
> > [ 115.074095] __arm64_sys_openat+0x20/0x28
> > [ 115.077828] cpu_startup_entry+0x20/0x28
> > [ 115.081996] el0_svc_common.constprop.0+0x68/0x160
> > [ 115.085641] secondary_start_kernel+0x11c/0x158
> > [ 115.089113] el0_svc_handler+0x6c/0x88
> > [ 115.092239] Code: aa0103f9 d1008021 eb00033f 54000620 (79400022)
> > [ 115.095188] el0_svc+0x8/0xc
> > [ 115.099271] ---[ end trace 2627235d8e7d8d8e ]---
> > [ 115.103262] CPU: 2 PID: 1060 Comm: dd Tainted: G B D
> > 5.4.0-xilinx-v2020.2 #1
> > [ 115.103270] BUG: Bad page map in process systemd-journal
> > pte:20000b68b25fd3 pmd:b69db4003
> > [ 115.103274] addr:0000aaaaabcbb000 vm_flags:00000875
> > anon_vma:0000000000000000 mapping:ffff000b6a18f790 3
> > [ 115.103281] file:systemd-journald fault:filemap_fault
> > mmap:nfs_file_mmap readpage:nfs_readpage
> > [ 115.106905] Kernel panic - not syncing: Fatal exception in interrupt
> > [ 115.110550] Hardware name: xlnx,zynqmp (DT)
> > [ 115.113675] SMP: stopping secondary CPUs
> > [ 115.116712] Call trace:
> > [ 115.213236] dump_backtrace+0x0/0x140
> > [ 115.216882] show_stack+0x14/0x20
> > [ 115.220181] dump_stack+0xac/0xd0
> > [ 115.223478] print_bad_pte+0x164/0x1e8
> > [ 115.227211] vm_normal_page+0x88/0xa8
> > [ 115.230857] unmap_page_range+0x5d0/0xc48
> > [ 115.234849] unmap_single_vma+0x48/0xa0
> > [ 115.238668] unmap_vmas+0x6c/0xe0
> > [ 115.241968] exit_mmap+0xc4/0x178
> > [ 115.245266] mmput+0x50/0x138
> > [ 115.248217] do_exit+0x270/0x9b8
> > [ 115.251428] die+0x248/0x288
> > [ 115.254293] die_kernel_fault+0x60/0x70
> > [ 115.258112] __do_kernel_fault+0x84/0x120
> > [ 115.262105] do_page_fault+0x1cc/0x478
> > [ 115.265838] do_translation_fault+0x5c/0x78
> > [ 115.270004] do_mem_abort+0x3c/0x98
> > [ 115.273476] el1_da+0x1c/0x90
> > [ 115.276428] __wake_up_common+0x58/0x170
> > [ 115.280334] __wake_up_common_lock+0x98/0x110
> > [ 115.284674] __wake_up+0x14/0x20
> > [ 115.287884] wake_up_bit+0x78/0xa0
> > [ 115.291270] unlock_buffer+0x2c/0x38
> > [ 115.294829] end_buffer_async_write+0x98/0x1c0
> > [ 115.299256] end_bio_bh_io_sync+0x30/0x60
> > [ 115.303249] bio_endio+0x114/0x170
> > [ 115.306635] brd_make_request+0x1c8/0x1d0
> > [ 115.310627] generic_make_request+0xa4/0x2c8
> > [ 115.314880] submit_bio+0x3c/0x1a0
> > [ 115.318265] submit_bh_wbc+0x18c/0x1f8
> > [ 115.321998] __block_write_full_page+0x300/0x570
> > [ 115.326598] block_write_full_page+0x110/0x120
> > [ 115.331025] blkdev_writepage+0x18/0x20
> > [ 115.334845] __writepage+0x1c/0x80
> > [ 115.338230] write_cache_pages+0x170/0x370
> > [ 115.342310] generic_writepages+0x58/0x90
> > [ 115.346302] blkdev_writepages+0xc/0x18
> > [ 115.350121] do_writepages+0x50/0x100
> > [ 115.353767] __filemap_fdatawrite_range+0xfc/0x140
> > [ 115.358541] filemap_write_and_wait+0x28/0x88
> > [ 115.362881] __blkdev_put+0x80/0x258
> > [ 115.366440] blkdev_put+0x4c/0x110
> > [ 115.369825] blkdev_close+0x1c/0x28
> > [ 115.373297] __fput+0x88/0x208
> > [ 115.376335] ____fput+0xc/0x18
> > [ 115.379373] task_work_run+0xc8/0xf8
> > [ 115.382933] do_notify_resume+0x344/0x388
> > [ 115.386925] work_pending+0x8/0x10
> > [ 116.168068] SMP: failed to stop secondary CPUs 1,3
> > [ 116.172845] Kernel Offset: disabled
> > [ 116.176318] CPU features: 0x0002,20002004
> > [ 116.180309] Memory Limit: none
> > [ 116.183351] ---[ end Kernel panic - not syncing: Fatal exception in
> > interrupt ]---
> > Xilinx Zynq MP First Stage Boot Loader
> > Release 2020.2 Nov 18 2021 - 19:48:02
> >
> >
> > Thanks all !
> > T J (Chris) Ward, IBM Research.
> > Scalable Data-Centric Computing - IBM Spectrum MPI
> > IBM United Kingdom Ltd., Hursley Park, Winchester, Hants, SO21 2JN
> > 011-44-1962-818679
> > LinkedIn https://www.linkedin.com/in/tjcward/
> > ResearchGate https://www.researchgate.net/profile/Thomas_Ward16
> >
> >
> > Unless stated otherwise above:
> > IBM United Kingdom Limited - Registered in England and Wales with number 74=
> > 1598.
> > Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
> >

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