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SubjectRe: [Intel-wired-lan] igc: 5.10.146 Kernel BUG at 0xffffffff813ce19f
hi Intel IGC Maintainers,

I've managed to reproduce this issue on 5.15.85 (same steps to
reproduce), and have symbols and line numbers in the below panic.
There's no device support in 5.4 for this hardware, so I was unable to
reproduce the issue there in igc.

From the Kernel BUG_ON, it's being asked to read beyond the array
size. The min call looks very suspicious (igb, and other drives don't
appear to do that), but I don't know if that's where the issue is.

Please let me know if there's anything more I can do to help.

[ 223.725003] igc 0000:01:00.0 eth0: Reset adapter
[ 233.139441] kernel BUG at lib/dynamic_queue_limits.c:27!
[ 233.146814] invalid opcode: 0000 [#1] SMP NOPTI
[ 233.146816] refcount_t: saturated; leaking memory.
[ 233.146833] WARNING: CPU: 0 PID: 0 at lib/refcount.c:19
refcount_warn_saturate+0x97/0x110
[ 233.153243] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W
5.15.85-amd64-vyos #1
[ 233.159216] Modules linked in:
[ 233.168451] Hardware name: Default string Default string/Default
string, BIOS 5.19 09/23/2022
[ 233.177895] wireguard
[ 233.181645] RIP: 0010:dql_completed+0x12f/0x140
[ 233.191360] curve25519_x86_64
[ 233.194406] Code: cf c9 00 48 89 57 58 e9 54 ff ff ff 85 ed 40 0f
95 c5 41 39 d8 41 0f 95 c0 44 84 c5 74 04 85 d2 78 0a 44 89 d8 e9 36
ff ff ff <0f> 0b 01 f6 44 89 da 29 f2 0f 48 d0 eb 8d cc cc cc 41 56 49
89 f3
[ 233.199767] libcurve25519_generic
[ 233.203540] RSP: 0018:ffffa85dc0134e20 EFLAGS: 00010283
[ 233.225248] libchacha20poly1305
[ 233.229417]
[ 233.229417] RAX: 0000000000000001 RBX: ffff934002104b40 RCX: 00000000000005ea
[ 233.235539] chacha_x86_64
[ 233.239508] RDX: ffff934002110000 RSI: 0000000000001d92 RDI: ffff93400211a200
[ 233.241606] poly1305_x86_64
[ 233.249796] RBP: 0000000000000000 R08: 000000000004ad4e R09: 0000000000000000
[ 233.253226] ip6_udp_tunnel
[ 233.261445] R10: 000000000004b338 R11: ffffffffbabfee80 R12: 0000000000001d92
[ 233.261446] R13: ffff934002104b40 R14: ffffa85dc09d1450 R15: 00000000ffffffa6
[ 233.265054] udp_tunnel
[ 233.273314] FS: 0000000000000000(0000) GS:ffff934f3fe80000(0000)
knlGS:0000000000000000
[ 233.276826] libchacha
[ 233.285023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 233.285025] CR2: 00007f294393fe84 CR3: 0000000605e10000 CR4: 0000000000350ee0
[ 233.285026] Call Trace:
[ 233.285026] <IRQ>
[ 233.285027] igc_poll+0x19d/0x14b0 [igc]
[ 233.293242] vrf
[ 233.296396] __napi_poll+0x22/0x110
[ 233.305688] nft_masq
[ 233.308763] net_rx_action+0xe9/0x250
[ 233.315455] nf_nat_tftp
[ 233.323756] ? igc_msix_ring+0x51/0x60 [igc]
[ 233.326946] nf_conntrack_tftp
[ 233.329661] __do_softirq+0xb8/0x1e9
[ 233.334471] nf_nat_sip
[ 233.336991] irq_exit_rcu+0x84/0xb0
[ 233.341290] nf_conntrack_sip
[ 233.344284] common_interrupt+0x78/0x90
[ 233.348778] nf_nat_pptp
[ 233.352104] </IRQ>
[ 233.357240] nf_conntrack_pptp
[ 233.361052] <TASK>
[ 233.365360] nf_nat_h323
[ 233.368484] asm_common_interrupt+0x22/0x40
[ 233.372723] nf_conntrack_h323
[ 233.376363] RIP: 0010:cpuidle_enter_state+0xb5/0x2a0
[ 233.380952] nf_nat_ftp
[ 233.384155] Code: c1 48 b2 ff 65 8b 3d b2 58 49 46 e8 65 47 b2 ff
31 ff 49 89 c5 e8 6b 52 b2 ff 45 84 f6 0f 85 85 01 00 00 fb 66 0f 1f
44 00 00 <45> 85 ff 0f 88 bb 00 00 00 49 63 c7 4c 2b 2c 24 48 8d 14 40
48 8d
[ 233.386840] nf_conntrack_ftp
[ 233.390553] RSP: 0018:ffffa85dc00efea8 EFLAGS: 00000246
[ 233.393224] nft_objref
[ 233.396340]
[ 233.396340] RAX: ffff934f3fea3440 RBX: 0000000000000003 RCX: 000000000000001f
[ 233.401256] nft_counter
[ 233.404981] RDX: 0000000000000000 RSI: 0000000046ec0743 RDI: 0000000000000000
[ 233.410769] nft_ct
[ 233.413816] RBP: ffff934f3feac910 R08: 00000036481c5d1b R09: 0000003605db0041
[ 233.435320] nft_chain_nat
[ 233.438947] R10: 0000000000000072 R11: 0000000000000164 R12: ffffffffba6ccb40
[ 233.445014] nf_nat
[ 233.448065] R13: 00000036481c5d1b R14: 0000000000000000 R15: 0000000000000003
[ 233.450073] nf_tables
[ 233.458210] ? cpuidle_enter_state+0xa5/0x2a0
[ 233.461335] nfnetlink_cthelper
[ 233.469449] cpuidle_enter+0x24/0x40
[ 233.472106] nf_conntrack
[ 233.480247] do_idle+0x1e4/0x280
[ 233.483580] nf_defrag_ipv6
[ 233.491703] cpu_startup_entry+0x14/0x20
[ 233.494399] nf_defrag_ipv4
[ 233.502517] secondary_startup_64_no_verify+0xb0/0xbb
[ 233.505503] libcrc32c
[ 233.510641] </TASK>
[ 233.514474] nfnetlink
[ 233.518787] Modules linked in: wireguard
[ 233.522065] af_packet
[ 233.525975] curve25519_x86_64
[ 233.529441] x86_pkg_temp_thermal
[ 233.534136] libcurve25519_generic
[ 233.537612] intel_powerclamp
[ 233.543511] libchacha20poly1305
[ 233.546508] coretemp
[ 233.549313] chacha_x86_64 poly1305_x86_64
[ 233.552304] crct10dif_pclmul
[ 233.556981] ip6_udp_tunnel udp_tunnel libchacha vrf nft_masq
nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_pptp
nf_conntrack_pptp nf_nat_h323 nf_conntrack_h323 nf_nat_ftp
nf_conntrack_ftp
[ 233.559990] crc32_pclmul
[ 233.563754] nft_objref nft_counter
[ 233.567791] ghash_clmulni_intel
[ 233.571912] nft_ct
[ 233.575569] aesni_intel
[ 233.579500] nft_chain_nat
[ 233.582390] crypto_simd
[ 233.587225] nf_nat
[ 233.590841] cryptd
[ 233.612012] nf_tables
[ 233.615288] intel_cstate
[ 233.619486] nfnetlink_cthelper
[ 233.623388] iTCO_wdt
[ 233.626063] nf_conntrack
[ 233.629196] efi_pstore
[ 233.632499] nf_defrag_ipv6
[ 233.635597] pcspkr
[ 233.638218] nf_defrag_ipv4
[ 233.640825] evdev
[ 233.643700] libcrc32c
[ 233.646869] iTCO_vendor_support
[ 233.650591] nfnetlink
[ 233.653355] sg
[ 233.656497] af_packet
[ 233.659446] tpm_crb
[ 233.662775] x86_pkg_temp_thermal
[ 233.665337] tpm_tis
[ 233.668670] intel_powerclamp
[ 233.671144] tpm_tis_core
[ 233.673993] coretemp
[ 233.677768] tpm
[ 233.680591] crct10dif_pclmul
[ 233.682782] rng_core
[ 233.685624] crc32_pclmul
[ 233.688271] mei_me
[ 233.692161] ghash_clmulni_intel
[ 233.694799] mei
[ 233.698290] aesni_intel
[ 233.701384] button
[ 233.704125] crypto_simd
[ 233.706379] acpi_pad
[ 233.709861] cryptd
[ 233.712587] mpls_iptunnel
[ 233.715682] intel_cstate
[ 233.718177] mpls_router
[ 233.721872] iTCO_wdt
[ 233.724077] ip_tunnel
[ 233.727034] efi_pstore
[ 233.729533] br_netfilter
[ 233.732471] pcspkr
[ 233.735139] bridge
[ 233.737627] evdev
[ 233.740768] stp
[ 233.743827] iTCO_vendor_support
[ 233.746789] llc
[ 233.749457] sg
[ 233.752222] fuse
[ 233.755071] tpm_crb
[ 233.758113] configfs
[ 233.760589] tpm_tis
[ 233.763065] efivarfs
[ 233.765437] tpm_tis_core
[ 233.767622] ip_tables
[ 233.771314] tpm
[ 233.773511] x_tables
[ 233.775607] rng_core
[ 233.777893] autofs4
[ 233.780456] mei_me
[ 233.783120] usb_storage
[ 233.785686] mei
[ 233.788319] ohci_hcd
[ 233.791358] button
[ 233.794104] uhci_hcd
[ 233.796287] acpi_pad
[ 233.798948] ehci_hcd
[ 233.801608] mpls_iptunnel
[ 233.804146] squashfs
[ 233.806598] mpls_router
[ 233.809530] zstd_decompress
[ 233.811719] ip_tunnel
[ 233.814378] lz4_decompress
[ 233.816841] br_netfilter
[ 233.819492] loop
[ 233.822152] bridge
[ 233.824802] overlay
[ 233.827927] stp
[ 233.830564] ext4
[ 233.833498] llc
[ 233.836805] crc32c_generic
[ 233.839557] fuse
[ 233.842787] crc16
[ 233.845815] configfs
[ 233.848084] mbcache
[ 233.850564] efivarfs
[ 233.853117] jbd2
[ 233.855296] ip_tables
[ 233.857561] nls_cp437
[ 233.859722] x_tables autofs4
[ 233.862950] vfat
[ 233.865216] usb_storage
[ 233.867585] fat
[ 233.870239] ohci_hcd uhci_hcd
[ 233.872779] efivars
[ 233.875414] ehci_hcd
[ 233.877693] nls_ascii
[ 233.880433] squashfs zstd_decompress
[ 233.883172] hid_generic
[ 233.886580] lz4_decompress
[ 233.888861] usbhid
[ 233.891803] loop
[ 233.893980] hid
[ 233.897493] overlay
[ 233.900050] sd_mod
[ 233.902702] ext4
[ 233.905446] t10_pi
[ 233.909612] crc32c_generic
[ 233.912548] ahci
[ 233.915776] crc16
[ 233.918244] libahci
[ 233.920540] mbcache
[ 233.922740] crc32c_intel
[ 233.925303] jbd2
[ 233.927777] libata
[ 233.930058] nls_cp437
[ 233.932530] i2c_i801
[ 233.935740] vfat fat
[ 233.938022] i2c_smbus
[ 233.940397] efivars
[ 233.942945] xhci_pci
[ 233.945504] nls_ascii hid_generic
[ 233.948535] xhci_hcd
[ 233.950814] usbhid
[ 233.953282] scsi_mod
[ 233.956022] hid
[ 233.958671] scsi_common
[ 233.961327] sd_mod t10_pi
[ 233.964066] igc
[ 233.966618] ahci
[ 233.969274] thermal
[ 233.973168] libahci
[ 233.975830] fan
[ 233.978310] crc32c_intel
[ 233.980975]
[ 233.983158] libata
[ 233.986113] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W
5.15.85-amd64-vyos #1
[ 233.989257] i2c_i801
[ 233.991441] Hardware name: Default string Default string/Default
string, BIOS 5.19 09/23/2022
[ 233.993730] i2c_smbus
[ 233.996286] RIP: 0010:refcount_warn_saturate+0x97/0x110
[ 233.998850] xhci_pci
[ 234.001055] Code: 00 01 e8 cb 40 42 00 0f 0b c3 cc cc cc cc 80 3d
39 f4 da 00 00 75 a8 48 c7 c7 d8 13 43 ba c6 05 29 f4 da 00 01 e8 a8
40 42 00 <0f> 0b c3 cc cc cc cc 80 3d 13 f4 da 00 00 75 85 48 c7 c7 30
14 43
[ 234.004069] xhci_hcd scsi_mod
[ 234.005878] RSP: 0018:ffffa85dc0003ae0 EFLAGS: 00010282
[ 234.008348] scsi_common igc
[ 234.017611]
[ 234.020297] thermal fan
[ 234.029764] RAX: 0000000000000000 RBX: 0000000000005837 RCX: 0000000000000000
[ 234.032559]
[ 234.032585] ---[ end trace 8acd09a29bf2e660 ]---
[ 234.038458] RDX: ffff934f3fe1f3e0 RSI: ffff934f3fe1c490 RDI: 0000000000000300
[ 234.141617] RIP: 0010:dql_completed+0x12f/0x140
[ 234.146459] RBP: ffff9340074b28c0 R08: 0000000000000000 R09: ffffa85dc0003908
[ 234.150075] Code: cf c9 00 48 89 57 58 e9 54 ff ff ff 85 ed 40 0f
95 c5 41 39 d8 41 0f 95 c0 44 84 c5 74 04 85 d2 78 0a 44 89 d8 e9 36
ff ff ff <0f> 0b 01 f6 44 89 da 29 f2 0f 48 d0 eb 8d cc cc cc 41 56 49
89 f3
[ 234.156048] R10: ffffa85dc0003900 R11: ffffffffba6b0ce8 R12: ffff9340074b2908
[ 234.159502] RSP: 0018:ffffa85dc0134e20 EFLAGS: 00010283
[ 234.161442] R13: ffffffffba28eb60 R14: fffffffffffffff0 R15: ffffa85dc0003b40
[ 234.164506]
[ 234.172573] FS: 0000000000000000(0000) GS:ffff934f3fe00000(0000)
knlGS:0000000000000000
[ 234.174545] RAX: 0000000000000001 RBX: ffff934002104b40 RCX: 00000000000005ea
[ 234.179914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 234.188023] RDX: ffff934002110000 RSI: 0000000000001d92 RDI: ffff93400211a200
[ 234.193301] CR2: 000055e26436ee10 CR3: 0000000605e10000 CR4: 0000000000350ef0
[ 234.201457] RBP: 0000000000000000 R08: 000000000004ad4e R09: 0000000000000000
[ 234.223063] Call Trace:
[ 234.231267] R10: 000000000004b338 R11: ffffffffbabfee80 R12: 0000000000001d92
[ 234.237398] <IRQ>
[ 234.245613] R13: ffff934002104b40 R14: ffffa85dc09d1450 R15: 00000000ffffffa6
[ 234.247734] __nf_conntrack_find_get+0x331/0x340 [nf_conntrack]
[ 234.256997] FS: 0000000000000000(0000) GS:ffff934f3fe80000(0000)
knlGS:0000000000000000
[ 234.265245] nf_conntrack_in+0x1e1/0x760 [nf_conntrack]
[ 234.271954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 234.280252] nf_hook_slow+0x37/0xb0
[ 234.288537] CR2: 00007f294393fe84 CR3: 000000011da48000 CR4: 0000000000350ee0
[ 234.296788] nf_hook_slow_list+0x8c/0x130
[ 234.300002] Kernel panic - not syncing: Fatal exception in interrupt
[ 234.308339] ip_sublist_rcv+0x1fa/0x220
[ 234.319422] Kernel Offset: 0x38600000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 234.494681] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt ]---

Kyle.

On Tue, Dec 20, 2022 at 10:29 AM Kyle Sanderson <kyle.leet@gmail.com> wrote:
>
> re-sending as plain text - my apologies.
>
> > On Sun, 18 Dec 2022, 23:31 Neftin, Sasha wrote:
> > What is a board in use (LAN on board or NIC)?
> > What is lspci, lspci -t and lspci -s 0000:[lan bus:device.function] -vvv output?
>
> It's embedded on the board, could very well be on a bridge though as a
> card. The box has 6 ports, 2 were in-use while testing.
>
> 00:00.0 Host bridge: Intel Corporation Device 4522 (rev 01)
> 00:02.0 VGA compatible controller: Intel Corporation Elkhart Lake [UHD
> Graphics Gen11 16EU] (rev 01)
> 00:08.0 System peripheral: Intel Corporation Device 4511 (rev 01)
> 00:14.0 USB controller: Intel Corporation Device 4b7d (rev 11)
> 00:14.2 RAM memory: Intel Corporation Device 4b7f (rev 11)
> 00:16.0 Communication controller: Intel Corporation Device 4b70 (rev 11)
> 00:17.0 SATA controller: Intel Corporation Device 4b63 (rev 11)
> 00:1c.0 PCI bridge: Intel Corporation Device 4b38 (rev 11)
> 00:1c.1 PCI bridge: Intel Corporation Device 4b39 (rev 11)
> 00:1c.2 PCI bridge: Intel Corporation Device 4b3a (rev 11)
> 00:1c.3 PCI bridge: Intel Corporation Device 4b3b (rev 11)
> 00:1c.4 PCI bridge: Intel Corporation Device 4b3c (rev 11)
> 00:1c.6 PCI bridge: Intel Corporation Device 4b3e (rev 11)
> 00:1f.0 ISA bridge: Intel Corporation Device 4b00 (rev 11)
> 00:1f.3 Audio device: Intel Corporation Device 4b58 (rev 11)
> 00:1f.4 SMBus: Intel Corporation Device 4b23 (rev 11)
> 00:1f.5 Serial bus controller: Intel Corporation Device 4b24 (rev 11)
> 01:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
> 02:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
> 03:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
> 04:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
> 05:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
> 06:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
>
> -[0000:00]-+-00.0
> +-02.0
> +-08.0
> +-14.0
> +-14.2
> +-16.0
> +-17.0
> +-1c.0-[01]----00.0
> +-1c.1-[02]----00.0
> +-1c.2-[03]----00.0
> +-1c.3-[04]----00.0
> +-1c.4-[05]----00.0
> +-1c.6-[06]----00.0
> +-1f.0
> +-1f.3
> +-1f.4
> \-1f.5
>
>
> 01:00.0 Ethernet controller: Intel Corporation Device 125c (rev 04)
> Subsystem: Intel Corporation Device 0000
> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B- DisINTx+
> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
> Latency: 0
> Interrupt: pin A routed to IRQ 16
> Region 0: Memory at 80600000 (32-bit, non-prefetchable) [size=1M]
> Region 3: Memory at 80700000 (32-bit, non-prefetchable) [size=16K]
> Capabilities: [40] Power Management version 3
> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
> Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=1 PME-
> Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
> Address: 0000000000000000 Data: 0000
> Masking: 00000000 Pending: 00000000
> Capabilities: [70] MSI-X: Enable+ Count=5 Masked-
> Vector table: BAR=3 offset=00000000
> PBA: BAR=3 offset=00002000
> Capabilities: [a0] Express (v2) Endpoint, MSI 00
> DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us
> ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0W
> DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+
> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset-
> MaxPayload 128 bytes, MaxReadReq 512 bytes
> DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend-
> LnkCap: Port #0, Speed 5GT/s, Width x1, ASPM L1, Exit Latency L1 <4us
> ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
> LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> LnkSta: Speed 5GT/s, Width x1
> TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+
> 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix-
> EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit-
> FRS- TPHComp- ExtTPHComp-
> AtomicOpsCap: 32bit- 64bit- 128bitCAS-
> DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+
> 10BitTagReq- OBFF Disabled,
> AtomicOpsCtl: ReqEn-
> LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
> Transmit Margin: Normal Operating Range, EnterModifiedCompliance-
> ComplianceSOS-
> Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot
> LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-
> EqualizationPhase1-
> EqualizationPhase2- EqualizationPhase3- LinkEqualizationRequest-
> Retimer- 2Retimers- CrosslinkRes: unsupported
> Capabilities: [100 v2] Advanced Error Reporting
> UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF-
> MalfTLP- ECRC- UnsupReq- ACSViol-
> UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF-
> MalfTLP- ECRC- UnsupReq- ACSViol-
> UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+
> MalfTLP+ ECRC- UnsupReq- ACSViol-
> CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr-
> CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+
> AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- ECRCChkCap+ ECRCChkEn-
> MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
> HeaderLog: 00000000 00000000 00000000 00000000
> Capabilities: [140 v1] Device Serial Number e4-3a-6e-ff-ff-5d-bb-54
> Capabilities: [1c0 v1] Latency Tolerance Reporting
> Max snoop latency: 3145728ns
> Max no snoop latency: 3145728ns
> Capabilities: [1f0 v1] Precision Time Measurement
> PTMCap: Requester:+ Responder:- Root:-
> PTMClockGranularity: 4ns
> PTMControl: Enabled:- RootSelected:-
> PTMEffectiveGranularity: Unknown
> Capabilities: [1e0 v1] L1 PM Substates
> L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+
> PortCommonModeRestoreTime=55us PortTPowerOnTime=70us
> L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1-
> T_CommonMode=0us LTR1.2_Threshold=81920ns
> L1SubCtl2: T_PwrOn=50us
> Kernel driver in use: igc
> Kernel modules: igc
>
> On Sun, Dec 18, 2022 at 10:31 PM Neftin, Sasha <sasha.neftin@intel.com> wrote:
> >
> > On 12/16/2022 00:28, Kyle Sanderson wrote:
> > > (Un)fortunately I can reproduce this bug by simply removing the
> > > ethernet cable from the box while there is traffic flowing. kprint
> > > below from a console line. Please CC / to me for any additional
> > > information I can provide for this panic.
> > What is a board in use (LAN on board or NIC)? What is lspci, lspci -t
> > and lspci -s 0000:[lan bus:device.function] -vvv output?
> > >
> > > [ 156.707054] igc 0000:01:00.0 eth0: NIC Link is Down
> > > [ 156.712981] br-lan: port 1(eth0) entered disabled state
> > > [ 156.719246] igc 0000:01:00.0 eth0: Register Dump
> > > [ 156.724784] igc 0000:01:00.0 eth0: Register Name Value
> > > [ 156.731067] igc 0000:01:00.0 eth0: CTRL 181c0641
> > > [ 156.737607] igc 0000:01:00.0 eth0: STATUS 00380681
> > > [ 156.744133] igc 0000:01:00.0 eth0: CTRL_EXT 100000c0
> > > [ 156.750759] igc 0000:01:00.0 eth0: MDIC 18017949
> > > [ 156.757258] igc 0000:01:00.0 eth0: ICR 00000001
> > > [ 156.763785] igc 0000:01:00.0 eth0: RCTL 0440803a
> > > [ 156.770324] igc 0000:01:00.0 eth0: RDLEN[0-3] 00001000
> > > 00001000 00001000 00001000
> > > [ 156.779457] igc 0000:01:00.0 eth0: RDH[0-3] 000000ef
> > > 000000a1 00000092 000000ba
> > > [ 156.788500] igc 0000:01:00.0 eth0: RDT[0-3] 000000ee
> > > 000000a0 00000091 000000b9
> > > [ 156.797650] igc 0000:01:00.0 eth0: RXDCTL[0-3] 02040808
> > > 02040808 02040808 02040808
> > > [ 156.806688] igc 0000:01:00.0 eth0: RDBAL[0-3] 02f43000
> > > 02180000 02e7f000 02278000
> > > [ 156.815781] igc 0000:01:00.0 eth0: RDBAH[0-3] 00000001
> > > 00000001 00000001 00000001
> > > [ 156.824928] igc 0000:01:00.0 eth0: TCTL a503f0fa
> > > [ 156.831587] igc 0000:01:00.0 eth0: TDBAL[0-3] 02f43000
> > > 02180000 02e7f000 02278000
> > > [ 156.840637] igc 0000:01:00.0 eth0: TDBAH[0-3] 00000001
> > > 00000001 00000001 00000001
> > > [ 156.849753] igc 0000:01:00.0 eth0: TDLEN[0-3] 00001000
> > > 00001000 00001000 00001000
> > > [ 156.858760] igc 0000:01:00.0 eth0: TDH[0-3] 000000d4
> > > 0000003d 000000af 0000002a
> > > [ 156.867771] igc 0000:01:00.0 eth0: TDT[0-3] 000000e4
> > > 0000005a 000000c8 0000002a
> > > [ 156.876864] igc 0000:01:00.0 eth0: TXDCTL[0-3] 02100108
> > > 02100108 02100108 02100108
> > > [ 156.885905] igc 0000:01:00.0 eth0: Reset adapter
> > > [ 160.307195] igc 0000:01:00.0 eth0: NIC Link is Up 1000 Mbps Full
> > > Duplex, Flow Control: RX/TX
> > > [ 160.317974] br-lan: port 1(eth0) entered blocking state
> > > [ 160.324532] br-lan: port 1(eth0) entered forwarding state
> > > [ 161.197263] ------------[ cut here ]------------
> > > [ 161.202669] Kernel BUG at 0xffffffff813ce19f [verbose debug info unavailable]
> > > [ 161.210769] invalid opcode: 0000 [#1] SMP NOPTI
> > > [ 161.216022] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.146 #0
> > > [ 161.222980] Hardware name: Default string Default string/Default
> > > string, BIOS 5.19 09/23/2022
> > > [ 161.232546] RIP: 0010:0xffffffff813ce19f
> > > [ 161.237167] Code: 03 01 4c 89 48 58 e9 2f ff ff ff 85 db 41 0f 95
> > > c2 45 39 d9 41 0f 95 c1 45 84 ca 74 05 45 85 e4 78 0a 44 89 c2 e9 10
> > > ff ff ff <0f> 0b 01 d2 45 89 c1 41 29 d1 ba 00 00 00 00 44 0f 48 ca eb
> > > 80 cc
> > > [ 161.258651] RSP: 0018:ffffc90000118e88 EFLAGS: 00010283
> > > [ 161.264736] RAX: ffff888101f8f200 RBX: ffffc900006f9bd0 RCX: 000000000000050e
> > > [ 161.272837] RDX: ffff888101fec000 RSI: 0000000000000a1c RDI: 0000000000061a10
> > > [ 161.280942] RBP: ffffc90000118ef8 R08: 0000000000000000 R09: 0000000000061502
> > > [ 161.289089] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffff3f
> > > [ 161.297229] R13: ffff888101f8f140 R14: 0000000000000000 R15: ffff888100ad9b00
> > > [ 161.305345] FS: 0000000000000000(0000) GS:ffff88903fe80000(0000)
> > > knlGS:00000 00000000000
> > > [ 161.314492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > > [ 161.321139] CR2: 00007f941ad43a9b CR3: 000000000340a000 CR4: 0000000000350ee0
> > > [ 161.329284] Call Trace:
> > > [ 161.332373] <IRQ>
> > > [ 161.334981] ? 0xffffffffa0185f78 [igc@00000000f400031b+0x13000]
> > > [ 161.341949] 0xffffffff8185b047
> > > [ 161.345797] 0xffffffff8185b2ca
> > > [ 161.349637] 0xffffffff81e000bb
> > > [ 161.353465] 0xffffffff81c0109f
> > > [ 161.357304] </IRQ>
> > > [ 161.359988] 0xffffffff8102cdac
> > > [ 161.363783] 0xffffffff810bfdaf
> > > [ 161.367584] 0xffffffff81a2e616
> > > [ 161.371374] 0xffffffff81c00c9e
> > > [ 161.375192] RIP: 0010:0xffffffff817e331b
> > > [ 161.379840] Code: 21 90 ff 65 8b 3d 45 23 83 7e e8 80 20 90 ff 31
> > > ff 49 89 c6 e8 26 2d 90 ff 80 7d d7 00 0f 85 9e 01 00 00 fb 66 0f 1f
> > > 44 00 00 <45> 85 ff 0f 88 cf 00 00 00 49 63 cf 48 8d 04 49 48 8d 14 81
> > > 48 c1
> > > [ 161.401397] RSP: 0018:ffffc900000d3e80 EFLAGS: 00000246
> > > [ 161.407493] RAX: ffff88903fea5180 RBX: ffff88903feadf00 RCX: 000000000000001f
> > > [ 161.415648] RDX: 0000000000000000 RSI: 0000000046ec0743 RDI: 0000000000000000
> > > [ 161.423811] RBP: ffffc900000d3eb8 R08: 00000025881a3b81 R09: ffff888100317340
> > > [ 161.432003] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
> > > [ 161.440154] R13: ffffffff824c7bc0 R14: 00000025881a3b81 R15: 0000000000000003
> > > [ 161.448285] 0xffffffff817e357f
> > > [ 161.452123] 0xffffffff810e6258
> > > [ 161.455938] 0xffffffff810e63fb
> > > [ 161.459746] 0xffffffff8104bec0
> > > [ 161.463526] 0xffffffff810000f5
> > > [ 161.467290] Modules linked in: pppoe ppp_async nft_fib_inet
> > > nf_flow_table_ipv 6 nf_flow_table_ipv4 nf_flow_table_inet wireguard
> > > pppox ppp_generic nft_reject_i pv6 nft_reject_ipv4 nft_reject_inet
> > > nft_reject nft_redir nft_quota nft_objref nf t_numgen nft_nat nft_masq
> > > nft_log nft_limit nft_hash nft_flow_offload nft_fib_ip v6 nft_fib_ipv4
> > > nft_fib nft_ct nft_counter nft_chain_nat nf_tables nf_nat nf_flo
> > > w_table nf_conntrack libchacha20poly1305 curve25519_x86_64
> > > chacha_x86_64 slhc r8 169 poly1305_x86_64 nfnetlink nf_reject_ipv6
> > > nf_reject_ipv4 nf_log_ipv6 nf_log_i pv4 nf_log_common nf_defrag_ipv6
> > > nf_defrag_ipv4 libcurve25519_generic libcrc32c libchacha igc forcedeth
> > > e1000e crc_ccitt bnx2 i2c_dev ixgbe e1000 amd_xgbe ip6_u dp_tunnel
> > > udp_tunnel mdio nls_utf8 ena kpp nls_iso8859_1 nls_cp437 vfat fat igb
> > > button_hotplug tg3 ptp realtek pps_core mii
> > > [ 161.550507] ---[ end trace b1cb18ab2d1741bd ]---
> > > [ 161.555938] RIP: 0010:0xffffffff813ce19f
> > > [ 161.560634] Code: 03 01 4c 89 48 58 e9 2f ff ff ff 85 db 41 0f 95
> > > c2 45 39 d9 41 0f 95 c1 45 84 ca 74 05 45 85 e4 78 0a 44 89 c2 e9 10
> > > ff ff ff <0f> 0b 01 d2 45 89 c1 41 29 d1 ba 00 00 00 00 44 0f 48 ca eb
> > > 80 cc
> > > [ 161.582281] RSP: 0018:ffffc90000118e88 EFLAGS: 00010283
> > > [ 161.588426] RAX: ffff888101f8f200 RBX: ffffc900006f9bd0 RCX: 000000000000050e
> > > [ 161.596668] RDX: ffff888101fec000 RSI: 0000000000000a1c RDI: 0000000000061a10
> > > [ 161.604860] RBP: ffffc90000118ef8 R08: 0000000000000000 R09: 0000000000061502
> > > [ 161.613052] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffff3f
> > > [ 161.621291] R13: ffff888101f8f140 R14: 0000000000000000 R15: ffff888100ad9b00
> > > [ 161.629505] FS: 0000000000000000(0000) GS:ffff88903fe80000(0000)
> > > knlGS:00000 00000000000
> > > [ 161.638781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > > [ 161.645549] CR2: 00007f941ad43a9b CR3: 000000000340a000 CR4: 0000000000350ee0
> > > [ 161.653841] Kernel panic - not syncing: Fatal exception in interrupt
> > > [ 161.661287] Kernel Offset: disabled
> > > [ 161.665644] Rebooting in 3 seconds..
> > > [ 164.670313] ACPI MEMORY or I/O RESET_REG.
> > >
> > > Kyle.
> > > _______________________________________________
> > > Intel-wired-lan mailing list
> > > Intel-wired-lan@osuosl.org
> > > https://lists.osuosl.org/mailman/listinfo/intel-wired-lan
> >

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