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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: trusty
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https://bugs.launchpad.net/bugs/1468416
Title:
[Trusty SRU] patch for "lpfc: iotag is out of range: max iotag"
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Trusty:
In Progress
Bug description:
Hi Canonical,
Please apply this kernel commit for Trusty SRU / 14.04.x (already in 14.10,
15.04, and later):
- 27f344eb15dd0da80ebec80c7245e8c85043f841 lpfc: Add iotag memory barrier
Tested on top of linux 3.13.0-55.94 (applies cleanly; cherrypick)
It fixes the this issue w/ the lpfc driver, seen under I/O stress.
(In reply to comment #12)
> [ 177.972210] lpfc 0000:00:05.0: 0:0369 No entry from fast-path completion
> queue fcpcqid=1
> [ 355.950403] lpfc 0000:00:04.0: 1:0372 iotag x85d is out off range: max
> iotag (xa10)
> [ 421.007268] lpfc 0000:00:04.0: 1:(0):0748 abort handler timed out waiting
> for abortng I/O (xri:xdf7) to complete: ret 0x2003, ID 0, LUN 2
> [ 421.008177] lpfc 0000:00:04.0: 1:(0):0727 TMF FCP_LUN_RESET to TGT 0 LUN
> 2 failed (1, 4096) iocb_flag x6
> [ 421.008309] lpfc 0000:00:04.0: 1:(0):0713 SCSI layer issued Device Reset
> (0, 2) return x2002
> [ 481.017214] lpfc 0000:00:04.0: 1:(0):0724 I/O flush failure for context
> LUN : cnt x1
> [ 481.019292] lpfc 0000:00:04.0: 1:(0):0727 TMF FCP_TARGET_RESET to TGT 0
> LUN 2 failed (1, 4096) iocb_flag x6
> [ 481.019398] lpfc 0000:00:04.0: 1:(0):0723 SCSI layer issued Target Reset
> (0, 2) return x2002
> [ 541.027198] lpfc 0000:00:04.0: 1:(0):0724 I/O flush failure for context
> TGT : cnt x1
> [ 541.029168] lpfc 0000:00:04.0: 1:(0):0727 TMF FCP_TARGET_RESET to TGT 0
> LUN 0 failed (1, 4096) iocb_flag x6
...
> [ 601.037193] lpfc 0000:00:04.0: 1:(0):0724 I/O flush failure for context
> HOST : cnt x1
> [ 601.037291] lpfc 0000:00:04.0: 1:(0):0714 SCSI layer issued Bus Reset
> Data: x2003
> [ 601.037388] lpfc 0000:00:04.0: 1:(0):3172 SCSI layer issued Host Reset
> Data:
> [ 603.560526] lpfc 0000:00:04.0: 1:1303 Link Up Event x1 received Data: x1
> x0 x80 x0 x0 x0 0
> [ 612.687916] sd 2:0:0:0: timing out command, waited 30s
> [ 612.689217] sd 2:0:0:1: timing out command, waited 30s
> [ 612.690407] sd 2:0:0:3: timing out command, waited 30s
> [ 612.694220] sd 2:0:0:4: timing out command, waited 30s
> [ 634.667144] rport-2:0-4: blocked FC remote port time out: removing rport
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