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From devnull@lkml.org Sat May 11 18:25:40 2024 >From spaans Wed May 13 20:32:10 2015 Received: from pop.ziggo.nl [212.54.42.19] by squeeze.vs19.net with POP3 (fetchmail-6.3.21) for (single-drop); Wed, 13 May 2015 20:32:10 +0200 (CEST) Received: from md1.tb.mail.iss.local ([212.54.42.152]) by mc5.tb.mail.iss.local (Dovecot) with LMTP id W8HlAP6XU1WQUAAAh0Kp1A for ; Wed, 13 May 2015 20:30:10 +0200 Received: from mx24.tb.mail.iss.as9143.net ([212.54.42.152]) by md1.tb.mail.iss.local (Dovecot) with LMTP id f9z2J5JiL1WrUAAAP8oO3g ; Wed, 13 May 2015 20:27:11 +0200 Received: from vger.kernel.org ([209.132.180.67]) by mx24.tb.mail.iss.as9143.net with esmtp (Exim 4.82) (envelope-from ) id 1YsbQ1-0004oG-6E for bmw12-lkml@ziggo.nl; Wed, 13 May 2015 20:30:09 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754757AbbEMSaD (ORCPT ); Wed, 13 May 2015 14:30:03 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:59637 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752183AbbEMS36 (ORCPT ); Wed, 13 May 2015 14:29:58 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id t4DITOem015910; Wed, 13 May 2015 13:29:24 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t4DITO2g018660; Wed, 13 May 2015 13:29:24 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Wed, 13 May 2015 13:29:24 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t4DITNoh027574; Wed, 13 May 2015 13:29:24 -0500 Date: Wed, 13 May 2015 13:27:38 -0500 From: Felipe Balbi To: Alexander Duyck Cc: Linux OMAP Mailing List , Linux ARM Kernel Mailing List , Linux Kernel Mailing List , Tony Lindgren Subject: regression with today's linux-next Message-Id: <20150513182738.GA28201@saruman.tx.rr.com> Reply-To: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W/nzBZO5zC0uMSeA" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-Id: X-Mailing-List: linux-kernel@vger.kernel.org X-Ziggo-spamsetting: Instelling=Gemiddeld Scorelimiet=14 X-Ziggo-spambar: / X-Ziggo-spamscore: 0.0 X-Ziggo-spamreport: CMAE Analysis: v=2.1 cv=Bc50qOZ2 c=1 sm=0 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:17 a=yEdEr6MRgwAA:10 a=wPDyFdB5xvgA:10 a=sozttTNsAAAA:8 a=ayC55rCoAAAA:8 a=VwQbUJbxAAAA:8 a=cIF5Tx0qAAAA:8 a=h1PgugrvaO0A:10 a=pWzI3sS5cqujKHFrEosA:9 a=VFzQNmUKjk6om4Tx:21 a=U9Rtpe X-Ziggo-Spam-Status: No X-Spam-Status: No X-Spam-Flag: No --W/nzBZO5zC0uMSeA Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Alexander, your commit 9451980a6646 (net: Use cached copy of pfmemalloc to avoid accessing page) regresses most OMAP-based boards with a NULL pointer dereference. Below you can find git bisect log and a serial console capture of the problem. -- git bisect log -- git bisect start # good: [030bbdbf4c833bc69f502eae58498bc5572db736] Linux 4.1-rc3 git bisect good 030bbdbf4c833bc69f502eae58498bc5572db736 # bad: [b8c256259dfc016a70982a72b0307c3ff759c34f] Add linux-next specific f= iles for 20150513 git bisect bad b8c256259dfc016a70982a72b0307c3ff759c34f # bad: [3b133f071f4305bab3e5b811d42e055a60a13afa] Merge remote-tracking bra= nch 'drm/drm-next' git bisect bad 3b133f071f4305bab3e5b811d42e055a60a13afa # good: [6734afa74122f4d23d6b2fb3c6c27be75a0adbe5] Merge remote-tracking br= anch 'hwmon-staging/hwmon-next' git bisect good 6734afa74122f4d23d6b2fb3c6c27be75a0adbe5 # bad: [e05b81f04521ad5ea1af66118b2f21c9b73dd3c1] Merge remote-tracking bra= nch 'net-next/master' git bisect bad e05b81f04521ad5ea1af66118b2f21c9b73dd3c1 # good: [01319b2ca29a7d5686d300d8d4f53579d4b42fa5] Merge remote-tracking br= anch 'thermal/next' git bisect good 01319b2ca29a7d5686d300d8d4f53579d4b42fa5 # good: [82ae9c6060c6dbaf103273a5c51b8f58b951d9a2] Merge branch 'tcp-more-r= eliable-window-probes' git bisect good 82ae9c6060c6dbaf103273a5c51b8f58b951d9a2 # good: [3bb45001ac33b4f733e1e8ffb01fb07baccd528c] Merge branch 'handle_ing= _lightweight' git bisect good 3bb45001ac33b4f733e1e8ffb01fb07baccd528c # good: [217c62801f9d4c736806c753cc7d9ab12bd898fe] Merge remote-tracking br= anch 'slave-dma/next' git bisect good 217c62801f9d4c736806c753cc7d9ab12bd898fe # bad: [f8e20a9f87d33865cc1d67f13da0db8d457fc3c9] switchdev: convert parent= _id_get to switchdev attr get git bisect bad f8e20a9f87d33865cc1d67f13da0db8d457fc3c9 # bad: [7d525c4edf10e3dc334347f39da74b53a18e21ca] netcp: Replace put_page(v= irt_to_head_page(ptr)) w/ skb_free_frag git bisect bad 7d525c4edf10e3dc334347f39da74b53a18e21ca # bad: [9451980a6646ed487efce04a9df28f450935683e] net: Use cached copy of p= fmemalloc to avoid accessing page git bisect bad 9451980a6646ed487efce04a9df28f450935683e # good: [db65f35f50e031ed5a37e2a92f8e8627ff39df9f] net: fec: add support of= ethtool get_regs git bisect good db65f35f50e031ed5a37e2a92f8e8627ff39df9f # good: [b396cca6fafccf16206a5d041d59c9e6b65b6f5a] net: sched: deprecate en= queue_root() git bisect good b396cca6fafccf16206a5d041d59c9e6b65b6f5a # first bad commit: [9451980a6646ed487efce04a9df28f450935683e] net: Use cac= hed copy of pfmemalloc to avoid accessing page -- serial console -- U-Boot SPL 2014.07-00037-g18637f496efe (May 04 2015 - 11:49:59) Error: NAND flash not present on this board SPL: Please implement spl_start_uboot() for your board SPL: Direct Linux boot not active! reading u-boot.img reading u-boot.img U-Boot 2014.07-00037-g18637f496efe (May 04 2015 - 11:49:59) I2C: ready DRAM: 1 GiB NAND: 0 MiB MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 reading uboot.env Net: cpsw, usb_ether Hit any key to stop autoboot: 6 =08=08=08 5 =08=08=08 4 =08=08=08 3 =08=08= =08 2 =08=08=08 1 =08=08=08 0=20 cpsw Waiting for PHY auto negotiation to complete.. done link up on port 0, speed 1000, full duplex Using cpsw device File transfer via NFS from server 10.0.1.2; our IP address is 10.0.1.100 Filename '/srv/nfs/boot/am437x-sk-evm.dtb'. Load address: 0x88000000 Loading: *=08######## done Bytes transferred =3D 39561 (9a89 hex) link up on port 0, speed 1000, full duplex Using cpsw device File transfer via NFS from server 10.0.1.2; our IP address is 10.0.1.100 Filename '/srv/nfs/boot/zImage'. Load address: 0x82000000 Loading: *=08##############################################################= ### ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########################### done Bytes transferred =3D 3463032 (34d778 hex) Kernel image @ 0x82000000 [ 0x000000 - 0x34d778 ] ## Flattened Device Tree blob at 88000000 Booting using the fdt blob at 0x88000000 Loading Device Tree to 8fff3000, end 8ffffa88 ... OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.1.0-rc3-next-20150513 (balbi@saruman) (gcc v= ersion 4.9.2 ( 4.9.2-10) ) #149 SMP Wed May 13 13:24:36 CDT 2015 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=3D10= c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instr= uction cache [ 0.000000] Machine model: TI AM437x SK EVM [ 0.000000] cma: Reserved 16 MiB at 0xbf000000 [ 0.000000] Memory policy: Data cache writeback [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] AM437x ES1.2 (sgx neon ) [ 0.000000] PERCPU: Embedded 13 pages/cpu @eeeb6000 s22976 r8192 d22080 = u53248 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Tota= l pages: 260434 [ 0.000000] Kernel command line: console=3DttyO0,115200n8 root=3D/dev/nf= s nfsroot=3D10.0.1.2:/srv/nfs ro ip=3D10.0.1.100:10.0.1.2:10.0.1.1:255.255.= 255.0:am437xsk:eth0:off:: [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 by= tes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 byte= s) [ 0.000000] Memory: 1003988K/1048576K available (6261K kernel code, 745K= rwdata, 2176K rodata, 440K init, 8220K bss, 28204K reserved, 16384K cma-re= served, 253952K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc0845730 (8438 kB) [ 0.000000] .init : 0xc0846000 - 0xc08b4000 ( 440 kB) [ 0.000000] .data : 0xc08b4000 - 0xc096e718 ( 746 kB) [ 0.000000] .bss : 0xc0971000 - 0xc1178300 (8221 kB) [ 0.000000] Running RCU self tests [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] Additional per-CPU info printed with stalls. [ 0.000000] Build-time adjustment of leaf fanout to 32. [ 0.000000] RCU restricting CPUs from NR_CPUS=3D2 to nr_cpu_ids=3D1. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=3D32, nr_cpu_ids= =3D1 [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] L2C: platform modifies aux control register: 0x0e030000 -> 0= x3e430000 [ 0.000000] L2C: DT/platform modifies aux control register: 0x0e030000 -= > 0x3e430000 [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] OMAP L2C310: ROM does not support power control setting [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines [ 0.000000] L2C-310 dynamic clock gating disabled, standby mode disabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 256 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c9, AUX_CTRL 0x7e430000 [ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz [ 0.000013] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every = 89478484971ns [ 0.000032] clocksource timer1: mask: 0xffffffff max_cycles: 0xffffffff,= max_idle_ns: 79635851949 ns [ 0.000084] OMAP clocksource: timer1 at 24000000 Hz [ 0.000800] Console: colour dummy device 80x30 [ 0.000852] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc.,= Ingo Molnar [ 0.000861] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000868] ... MAX_LOCK_DEPTH: 48 [ 0.000875] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000881] ... CLASSHASH_SIZE: 4096 [ 0.000887] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000893] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000899] ... CHAINHASH_SIZE: 32768 [ 0.000905] memory used by lock dependency info: 5167 kB [ 0.000911] per task-struct memory footprint: 1152 bytes [ 0.000937] Calibrating delay loop... 1993.93 BogoMIPS (lpj=3D9969664) [ 0.118961] pid_max: default: 32768 minimum: 301 [ 0.119282] Security Framework initialized [ 0.119400] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.119415] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 by= tes) [ 0.122052] Initializing cgroup subsys blkio [ 0.122090] Initializing cgroup subsys memory [ 0.122170] Initializing cgroup subsys devices [ 0.122254] Initializing cgroup subsys freezer [ 0.122368] Initializing cgroup subsys perf_event [ 0.122435] CPU: Testing write buffer coherency: ok [ 0.123761] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.123881] Setting up static identity map for 0x80008280 - 0x800082f0 [ 0.127912] Brought up 1 CPUs [ 0.127934] SMP: Total of 1 processors activated (1993.93 BogoMIPS). [ 0.127945] CPU: All CPU(s) started in SVC mode. [ 0.131345] devtmpfs: initialized [ 0.133255] VFP support v0.3: implementor 41 architecture 3 part 30 vari= ant 9 rev 4 [ 0.177817] omap_hwmod: tptc0 using broken dt data from edma [ 0.178215] omap_hwmod: tptc1 using broken dt data from edma [ 0.178593] omap_hwmod: tptc2 using broken dt data from edma [ 0.245361] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff= , max_idle_ns: 19112604462750000 ns [ 0.247763] pinctrl core: initialized pinctrl subsystem [ 0.278733] NET: Registered protocol family 16 [ 0.283208] DMA: preallocated 256 KiB pool for atomic coherent allocatio= ns [ 0.285152] cpuidle: using governor ladder [ 0.285177] cpuidle: using governor menu [ 0.287804] omap_l3_noc 44000000.ocp: L3 debug error: target 8 mod:0 (un= clearable) [ 0.287954] omap_l3_noc 44000000.ocp: L3 application error: target 8 mod= :0 (unclearable) [ 0.292401] platform 44e3e000.rtc: Cannot lookup hwmod 'rtc' [ 0.295188] OMAP GPIO hardware version 0.1 [ 0.303077] platform 53701000.des: Cannot lookup hwmod 'des' [ 0.310984] No ATAGs? [ 0.311070] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchp= oint registers. [ 0.311083] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.344916] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver [ 0.347850] SCSI subsystem initialized [ 0.349795] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/= l4_wkup@44c00000/scm@210000/pinmux@800/i2c0_pins, deferring probe [ 0.349899] omap_i2c 4802a000.i2c: could not find pctldev for node /ocp/= l4_wkup@44c00000/scm@210000/pinmux@800/i2c1_pins, deferring probe [ 0.353626] Switched to clocksource timer1 [ 0.470926] NET: Registered protocol family 2 [ 0.472774] TCP established hash table entries: 8192 (order: 3, 32768 by= tes) [ 0.472970] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.474797] TCP: Hash tables configured (established 8192 bind 8192) [ 0.475324] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.475576] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.476596] NET: Registered protocol family 1 [ 0.478389] RPC: Registered named UNIX socket transport module. [ 0.478408] RPC: Registered udp transport module. [ 0.478417] RPC: Registered tcp transport module. [ 0.478426] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.482969] futex hash table entries: 256 (order: 2, 16384 bytes) [ 0.483189] audit: initializing netlink subsys (disabled) [ 0.483651] audit: type=3D2000 audit(0.470:1): initialized [ 0.487281] VFS: Disk quotas dquot_6.6.0 [ 0.487589] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 byt= es) [ 0.489939] NFS: Registering the id_resolver key type [ 0.490338] Key type id_resolver registered [ 0.490352] Key type id_legacy registered [ 0.490572] jffs2: version 2.2. (NAND) (SUMMARY) =A9 2001-2006 Red Hat,= Inc. [ 0.495456] bounce: pool size: 64 pages [ 0.495660] io scheduler noop registered [ 0.495683] io scheduler deadline registered [ 0.495732] io scheduler cfq registered (default) [ 0.498562] pinctrl-single 44e10800.pinmux: 199 pins at pa f9e10800 size= 796 [ 0.501674] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.506896] omap_uart 44e09000.serial: no wakeirq for uart0 [ 0.506940] omap_uart 44e09000.serial: No clock speed specified: using d= efault: 48000000 [ 0.507567] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq =3D 23, base_= baud =3D 3000000) is a OMAP UART0 [ 1.301408] console [ttyO0] enabled [ 1.332188] brd: module loaded [ 1.350407] loop: module loaded [ 1.356124] mtdoops: mtd device (mtddev=3Dname/number) must be supplied [ 1.368611] mousedev: PS/2 mouse device common for all mice [ 1.374570] i2c /dev entries driver [ 1.380173] omap_hsmmc 48060000.mmc: Got CD GPIO [ 1.386360] omap_hsmmc 48060000.mmc: unable to get vmmc regulator -517 [ 1.394364] ledtrig-cpu: registered to indicate activity on CPUs [ 1.401674] oprofile: no performance counters [ 1.407790] oprofile: using timer interrupt. [ 1.412979] Initializing XFRM netlink socket [ 1.417718] NET: Registered protocol family 17 [ 1.422438] NET: Registered protocol family 15 [ 1.427525] Key type dns_resolver registered [ 1.432187] omap_voltage_late_init: Voltage driver support not added [ 1.438925] sr_dev_init: No voltage domain specified for smartreflex0. C= annot initialize [ 1.447425] sr_dev_init: No voltage domain specified for smartreflex1. C= annot initialize [ 1.456970] ThumbEE CPU extension supported. [ 1.461468] Registering SWP/SWPB emulation handler [ 1.466588] SmartReflex Class3 initialized [ 1.511544] omap_i2c 44e0b000.i2c: bus 0 rev0.12 at 400 kHz [ 1.521126] omap_i2c 4802a000.i2c: bus 1 rev0.12 at 400 kHz [ 1.528006] omap_hsmmc 48060000.mmc: Got CD GPIO [ 1.633554] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6 [ 1.639959] davinci_mdio 4a101000.mdio: detected phy mask ffffffcf [ 1.652076] libphy: 4a101000.mdio: probed [ 1.656388] davinci_mdio 4a101000.mdio: phy[4]: device 4a101000.mdio:04,= driver unknown [ 1.664794] davinci_mdio 4a101000.mdio: phy[5]: device 4a101000.mdio:05,= driver unknown [ 1.674729] cpsw 4a100000.ethernet: Detected MACID =3D 34:b1:f7:31:40:0e [ 1.683956] cpsw 4a100000.ethernet: cpsw: Detected MACID =3D 34:b1:f7:31= :40:10 [ 1.692773] hctosys: unable to open rtc device (rtc0) [ 1.698144] sr_init: No PMIC hook to init smartreflex [ 1.703725] sr_init: platform driver register failed for SR [ 1.728519] net eth0: initializing cpsw version 1.15 (0) [ 1.742023] mmc0: host does not support reading read-only switch, assumi= ng write-enable [ 1.752798] mmc0: new high speed SDHC card at address aaaa [ 1.761089] mmcblk0: mmc0:aaaa SU32G 29.7 GiB=20 [ 1.769934] mmcblk0: p1 p2 [ 1.814044] net eth0: phy found : id is : 0x221622 [ 5.814470] cpsw 4a100000.ethernet eth0: Link is Up - 1Gbps/Full - flow = control rx/tx [ 5.834450] IP-Config: Complete: [ 5.837857] device=3Deth0, hwaddr=3D34:b1:f7:31:40:0e, ipaddr=3D10.= 0.1.100, mask=3D255.255.255.0, gw=3D10.0.1.1 [ 5.848058] host=3Dam437xsk, domain=3D, nis-domain=3D(none) [ 5.853823] bootserver=3D10.0.1.2, rootserver=3D10.0.1.2, rootpath= =3D [ 5.868807] Unable to handle kernel NULL pointer dereference at virtual = address 000006a2 [ 5.877340] pgd =3D c0004000 [ 5.880175] [000006a2] *pgd=3D00000000 [ 5.883953] Internal error: Oops: 5 [#1] SMP ARM [ 5.888784] Modules linked in: [ 5.891986] CPU: 0 PID: 5 Comm: kworker/0:0H Not tainted 4.1.0-rc3-next-= 20150513 #149 [ 5.900155] Hardware name: Generic AM43 (Flattened Device Tree) [ 5.906351] Workqueue: rpciod rpc_async_schedule [ 5.911177] task: ee0b4c00 ti: ee0b6000 task.ti: ee0b6000 [ 5.916803] PC is at cpsw_rx_handler+0x14/0x1c4 [ 5.921537] LR is at __cpdma_chan_process+0xe8/0x128 [ 5.926709] pc : [] lr : [] psr: 60000113 [ 5.926709] sp : ee0b7a80 ip : 00000002 fp : 00000040 [ 5.938669] r10: ffff8d1c r9 : ee4b34d0 r8 : 0000003c [ 5.944115] r7 : ee4a1430 r6 : ee4d27c0 r5 : 00010000 r4 : 00000000 [ 5.950916] r3 : c048f5c0 r2 : 00010000 r1 : 0000003c r0 : ee4d27c0 [ 5.957714] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment= kernel [ 5.965324] Control: 10c5387d Table: 80004059 DAC: 00000015 [ 5.971307] Process kworker/0:0H (pid: 5, stack limit =3D 0xee0b6218) [ 5.977833] Stack: (0xee0b7a80 to 0xee0b8000) [ 5.982380] 7a80: 00010000 f01ec000 ee4a1410 00010000 f01ec000 ee4a1430 = 0000003c c048c8f8 [ 5.990905] 7aa0: 00000001 00000000 ee4a1410 00000040 00000000 ee0b7af0 = c08b2800 c048c974 [ 5.999422] 7ac0: ee4af5e8 00000001 00000040 c048ec18 ee4af5e8 00000001 = 0000012c eeebb800 [ 6.007945] 7ae0: ee0b7af0 c0503df8 2e609000 eeebb800 ee0b7af0 ee0b7af0 = ee0b7af8 ee0b7af8 [ 6.016476] 7b00: c0500600 c08b608c 00000003 00000001 c096bb6c 00000001 = 0000000c 00000101 [ 6.024999] 7b20: 00000000 c00441c4 ee4af000 c053bac8 0000000a ffff8d1b = 04208060 00000000 [ 6.033522] 7b40: 00000004 60000193 c053bb0c c053d860 ee4af000 ee51ee40 = 0201000a c096b926 [ 6.042046] 7b60: 00000000 c0044514 00000200 c0044600 00000000 c096b926 = c053d860 c053bb28 [ 6.050569] 7b80: 00000000 00000000 c053b858 00000000 00000001 ee4af14c = ee4af150 ee0b4c00 [ 6.059099] 7ba0: 00000001 0201000a 00000070 feff31d0 ee50e1c0 00000000 = ee4af000 00000070 [ 6.067618] 7bc0: 00000000 00000001 00000000 c053d860 00000001 00000000 = c053e2b8 00000000 [ 6.076147] 7be0: ee0b7cd8 ee23c7c0 ee0b7c3c ee0b7d7c c053a304 00000000 = ee23cae8 c053e48c [ 6.084664] 7c00: ee0b56f8 c053a304 ee0b7d7c c095d380 0011005c ee23c7c0 = ee4e4024 00000000 [ 6.093192] 7c20: c05671d0 00000000 ee23cae8 c053e2b8 00000000 ffff0000 = c095d3d0 ee0b7c3c [ 6.101720] 7c40: ee0b7c3c ee50e1c0 0011005c ee23c7c0 ee4e4024 00000000 = ee0b7cd8 00000000 [ 6.110252] 7c60: ee23cae8 c05671d0 00000000 ee23c7c0 ee50e1c0 00000054 = ee0b7cd8 0000005c [ 6.118787] 7c80: 0201000a c0568fd8 0000005c 00000008 ee0b7cc4 ee0b7cc0 = 00004040 ee0b7d7c [ 6.127327] 7ca0: c096b994 00000000 c053a304 c04e8464 00006f00 0201000a = c095d380 00000000 [ 6.135851] 7cc0: 00000000 0201000a 00000000 00000000 ffff0000 ee0b51d0 = 00000002 00000001 [ 6.144386] 7ce0: 00000000 00110000 00000000 6401000a 0201000a 09ab6f00 = 00000001 00000054 [ 6.152927] 7d00: ee0b7d7c c008cc50 00000200 c0575140 00000000 c004459c = ee23c7c0 c096b994 [ 6.161466] 7d20: 00000000 c0575140 ee23c7c0 c0575a74 00000000 00000000 = c0575948 ee51c004 [ 6.170020] 7d40: 00000000 00000000 edab44c0 00000054 ee0b7e0c 00000000 = ee51c80c c04e8464 [ 6.178562] 7d60: 00000054 c05c038c 00000054 00000000 c11338c4 ee51c004 = 00000054 ee51c80c [ 6.187108] 7d80: 00000010 00000003 00000000 00000000 ee0b7d7c 00000000 = 00000000 00000000 [ 6.195641] 7da0: 00004040 00000000 00000000 00000001 ee51de04 c05c042c = 00000000 00000000 [ 6.204180] 7dc0: ee0b7e28 00000010 c1133880 00000000 60000113 ee51c800 = ee51de00 ee51de00 [ 6.212714] 7de0: ee4db440 00000000 00000000 c096e560 00000001 c05c07ec = 00000000 00000001 [ 6.221242] 7e00: ee0b7e0c ee51c800 ee51de00 00000000 ee51c800 ee51de00 = ee51de74 ee51cbc0 [ 6.229766] 7e20: ee4db440 c05be38c 5d7c6504 00000001 ee4db440 ee51de00 = ee51de00 00000681 [ 6.238298] 7e40: 02000000 f4a89bfc 00000000 c05bb22c ee519a40 00000000 = c0058228 ee4db440 [ 6.246837] 7e60: ee02b140 c05bb0d0 ee51dd00 c05bb0d0 c096e434 c05c5640 = 00000000 c008a048 [ 6.255378] 7e80: ee0b4c00 00000000 feff3905 ee4db484 ee02b140 eeebab80 = feff3900 00000000 [ 6.263906] 7ea0: ee0b7ec8 c096bbf8 c096bbf8 c00582bc 00000001 00000000 = c0058228 ee02b140 [ 6.272434] 7ec0: 00000000 00000001 c11755f4 c0ac5c30 00000000 c07dda94 = eeebad50 eeebab80 [ 6.280964] 7ee0: ee02b158 eeebabb0 ee0b6000 00000008 c096b44f ee02b140 = eeebab80 c00585f4 [ 6.289488] 7f00: eeebad50 00000000 c00585b8 00000000 ee030a00 ee02b140 = c00585b8 00000000 [ 6.298011] 7f20: 00000000 00000000 00000000 c005dfe4 bf08fcbb 00000000 = ee0b4c00 ee02b140 [ 6.306535] 7f40: 00000000 00000000 dead4ead ffffffff ffffffff c0972e14 = 00000000 00000000 [ 6.315087] 7f60: c076ee10 ee0b7f64 ee0b7f64 00000000 00000000 dead4ead = ffffffff ffffffff [ 6.323628] 7f80: c0972e14 00000000 00000000 c076ee10 ee0b7f90 ee0b7f90 = ee0b7fac ee030a00 [ 6.332170] 7fa0: c005df10 00000000 00000000 c000f570 00000000 00000000 = 00000000 00000000 [ 6.340700] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 = 00000000 00000000 [ 6.349235] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 = 7d3e3fff e2816aea [ 6.357792] [] (cpsw_rx_handler) from [] (__cpdma_ch= an_process+0xe8/0x128) [ 6.366790] [] (__cpdma_chan_process) from [] (cpdma= _chan_process+0x3c/0x5c) [ 6.375967] [] (cpdma_chan_process) from [] (cpsw_po= ll+0x28/0xd4) [ 6.384168] [] (cpsw_poll) from [] (net_rx_action+0x= 1d4/0x338) [ 6.392097] [] (net_rx_action) from [] (__do_softirq= +0xd8/0x358) [ 6.400189] [] (__do_softirq) from [] (do_softirq+0x= 74/0x80) [ 6.407930] [] (do_softirq) from [] (__local_bh_enab= le_ip+0xe0/0x104) [ 6.416480] [] (__local_bh_enable_ip) from [] (ip_fi= nish_output+0x450/0x12e8) [ 6.425753] [] (ip_finish_output) from [] (ip_output= +0x168/0x1bc) [ 6.433935] [] (ip_output) from [] (ip_send_skb+0x18= /0xec) [ 6.441490] [] (ip_send_skb) from [] (udp_send_skb+0= xe4/0x2e0) [ 6.449415] [] (udp_send_skb) from [] (udp_sendmsg+0= x24c/0x964) [ 6.457426] [] (udp_sendmsg) from [] (sock_sendmsg+0= x14/0x24) [ 6.465260] [] (sock_sendmsg) from [] (xs_send_kvec+= 0x84/0x94) [ 6.473170] [] (xs_send_kvec) from [] (xs_sendpages+= 0x90/0x25c) [ 6.481184] [] (xs_sendpages) from [] (xs_udp_send_r= equest+0x54/0xec) [ 6.489752] [] (xs_udp_send_request) from [] (xprt_t= ransmit+0x54/0x298) [ 6.498491] [] (xprt_transmit) from [] (call_transmi= t+0x15c/0x208) [ 6.506762] [] (call_transmit) from [] (__rpc_execut= e+0x74/0x334) [ 6.514968] [] (__rpc_execute) from [] (process_one_= work+0x1b4/0x4b0) [ 6.523516] [] (process_one_work) from [] (worker_th= read+0x3c/0x4a0) [ 6.531981] [] (worker_thread) from [] (kthread+0xd4= /0xf0) [ 6.539541] [] (kthread) from [] (ret_from_fork+0x14= /0x24) [ 6.547087] Code: e1a06000 e5904014 e24dd008 e1a08001 (e5d436a2)=20 [ 6.553521] ---[ end trace df83acbd69cbff08 ]--- [ 6.558350] Kernel panic - not syncing: Fatal exception in interrupt [ 6.564997] ---[ end Kernel panic - not syncing: Fatal exception in inte= rrupt -- listing of cpsw_rx_handler+0x14 -- (gdb) l *(cpsw_rx_handler+0x14) 0xc048f5d4 is in cpsw_rx_handler (drivers/net/ethernet/ti/cpsw.c:712). 707 struct sk_buff *new_skb; 708 struct net_device *ndev =3D skb->dev; 709 struct cpsw_priv *priv =3D netdev_priv(ndev); 710 int ret =3D 0; 711=09 712 cpsw_dual_emac_src_port_detect(status, priv, ndev, skb); 713=09 714 if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { 715 bool ndev_status =3D false; 716 struct cpsw_slave *slave =3D priv->slaves; (gdb)=20 regards --=20 balbi --W/nzBZO5zC0uMSeA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJVU5eaAAoJEIaOsuA1yqREOwIP/1pa/4hEWYznFF0y+CY5arab hyazVua7qEA8E2BeaUjmy/VKd5r8kVaBlk/NSNTAw5d7XBZF33TvV5HBNXaJdbJt AhRD2j5OyAFV9dQ9j2UASvBvs/Mdq3ieppCdp5NPkSTl7AGVli6bhjkntrWcz6er wA0ETrdvt3U6A0Fu+UjMO5IghMxmTLfj68ovc5051UCYrJku45F3xgzWQCn916QV WDGCsyDnv2eT1eCvIslZqawgoZInvWa7UmaFRFFYKubBEc0PrHcd2OK52fsGTBaB l6BEXNvj57ElS+CIt8SfllzqMTKkujR3uOFuGpTNskG8J1SyWISiRBA4jL8p5yUU vN/Ih7BbWZbvRNf+kU3Qu0FjshxQfs0nvoVWkgW9+xRYUek+m4FvuzSLjEiEhnrD wyo+eNJne2KGk8AiiJa79pPnsVkNtHtR4zy8UlksTcxWBIxiIVebM77+m1g4tByr 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