System crash in fnic_terminate_rport_io() following link issues

Solution Unverified - Updated -

Issue

  • System crash in fnic_terminate_rport_io() following link issues:
[89951.621143] blk_update_request: I/O error, dev sdh, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[89951.738801] Buffer I/O error on dev sdh, logical block 0, async page read
[90118.580716] host1: libfc: Link down on port (8b002c)
[90124.125299] BUG: unable to handle kernel paging request at 000003650000d400
[90124.208610] PGD 0 P4D 0 
[90124.238882] Oops: 0000 [#1] SMP PTI
[90124.280593] CPU: 41 PID: 516401 Comm: kworker/41:1 Kdump: loaded Not tainted 4.18.0-193.48.1.el8_2.x86_64 #1
[90124.398236] Hardware name: Cisco Systems Inc UCSB-B200-M4/UCSB-B200-M4, BIOS B200M4.3.1.3k.0.022620181855 02/26/2018
[90124.524207] Workqueue: fc_dl_1 fc_timeout_fail_rport_io [scsi_transport_fc]
[90124.607525] RIP: 0010:fnic_terminate_rport_io+0x11b/0x670 [fnic]
[90124.679393] Code: 89 c6 48 85 c0 0f 84 d6 02 00 00 48 05 28 01 00 00 48 89 44 24 10 0f 84 c5 02 00 00 49 8b 86 60 01 00 00 48 8b 80 98 01 00 00 <48> 8b 38 e8 bd 02 da ff 85 c0 0f 84 a7 02 00 00 49 8b 86 60 01 00
[90124.904145] RSP: 0018:ffff9e32673ebe10 EFLAGS: 00010082
[90124.966655] RAX: 000003650000d400 RBX: ffff8b3875ff8a58 RCX: ffff8b3875ff8f10
[90125.052061] RDX: ffff8b387975a800 RSI: 00000000000000cc RDI: ffff8b38749d7140
[90125.137473] RBP: ffff8b3875ff9608 R08: 0000000000000000 R09: 00315f6c645f6366
[90125.222859] R10: 8080808080808080 R11: 000051f82a55b800 R12: 0000000000000206
[90125.308248] R13: 0000000000000000 R14: ffff8b358889a140 R15: 00000000000000cc
[90125.393635] FS:  0000000000000000(0000) GS:ffff8b387fbc0000(0000) knlGS:0000000000000000
[90125.490479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[90125.559259] CR2: 000003650000d400 CR3: 000000378840a005 CR4: 00000000003626e0
[90125.644644] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[90125.730029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[90125.815419] Call Trace:
[90125.844657]  ? finish_task_switch+0xd7/0x2b0
[90125.895728]  fc_terminate_rport_io+0x4d/0x60 [scsi_transport_fc]
[90125.967601]  process_one_work+0x1a7/0x3b0
[90126.015550]  worker_thread+0x30/0x390
[90126.059339]  ? create_worker+0x1a0/0x1a0
[90126.106252]  kthread+0x112/0x130
[90126.144844]  ? kthread_flush_work_fn+0x10/0x10
[90126.197994]  ret_from_fork+0x35/0x40

Environment

  • Red Hat Enterprise Linux 8

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