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Message-ID: <CACsaVZKGJ1uxC+-XV+tdy6nP01r7QjrzFH_iVGRw9acLRE-uvA@mail.gmail.com>
Date: Sat, 17 Dec 2022 16:20:39 -0800
From: Kyle Sanderson <kyle.leet@...il.com>
To: Linux-Kernal <linux-kernel@...r.kernel.org>,
jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
openwrt-bugs@...ts.openwrt.org
Subject: Re: igc: 5.10.146 Kernel BUG at 0xffffffff813ce19f
hi Intel igc maintainers,
just confirmed on the same box that 13-CURRENT on FBSD does not result
in a kernel panic when a single remote host loses power on the
network. Please let me know if there's any additional information you
need.
Kyle.
On Thu, Dec 15, 2022 at 2:28 PM Kyle Sanderson <kyle.leet@...il.com> 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.
>
> [ 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@...00000f400031b+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.
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