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From:   Kyle Sanderson <kyle.leet@gmail.com>
Date:   Thu, 15 Dec 2022 14:28:07 -0800
Message-ID: <CACsaVZL6ykbsVvEaV2Cv3r6m_jKt04MEUOw5=mSnR5AYTyE7qg@mail.gmail.com>
Subject: igc: 5.10.146 Kernel BUG at 0xffffffff813ce19f
To:     Linux-Kernal <linux-kernel@vger.kernel.org>
Cc:     jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com,
        Linus Torvalds <torvalds@linux-foundation.org>,
        intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

(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.

[  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.