On Thu, 15 Jun 2023 13:16:33 +0530, Nilesh Javali wrote:
> System crash when qla2x00_start_sp(sp) returns error code EGAIN
> and wake_up gets called for uninitialized wait queue
> sp->nvme_ls_waitq.
>
> qla2xxx [0000:37:00.1]-2121:5: Returning existing qpair of ffff8ae2c0513400 for idx=0
> qla2xxx [0000:37:00.1]-700e:5: qla2x00_start_sp failed = 11
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
> PGD 0 P4D 0
> Oops: 0000 [#1] SMP NOPTI
> Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 09/03/2021
> Workqueue: nvme-wq nvme_fc_connect_ctrl_work [nvme_fc]
> RIP: 0010:__wake_up_common+0x4c/0x190
> RSP: 0018:ffff95f3e0cb7cd0 EFLAGS: 00010086
> RAX: 0000000000000000 RBX: ffff8b08d3b26328 RCX: 0000000000000000
> RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8b08d3b26320
> RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffe8
> R10: 0000000000000000 R11: ffff95f3e0cb7a60 R12: ffff95f3e0cb7d20
> R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
> FS: 0000000000000000(0000) GS:ffff8b2fdf6c0000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000000000000000 CR3: 0000002f1e410002 CR4: 00000000007706e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> PKRU: 55555554
> Call Trace:
> __wake_up_common_lock+0x7c/0xc0
> qla_nvme_ls_req+0x355/0x4c0 [qla2xxx]
> ? __nvme_fc_send_ls_req+0x260/0x380 [nvme_fc]
> ? nvme_fc_send_ls_req.constprop.42+0x1a/0x45 [nvme_fc]
> ? nvme_fc_connect_ctrl_work.cold.63+0x1e3/0xa7d [nvme_fc]
>
> [...]
Applied to 6.5/scsi-queue, thanks!
[1/1] qla2xxx: Remove unused nvme_ls_waitq wait queue.
https://git.kernel.org/mkp/scsi/c/20fce500b232
--
Martin K. Petersen Oracle Linux Engineering
