** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/1541587
Title:
Hang when iSCSI targets are removed
Status in linux package in Ubuntu:
Triaged
Bug description:
There is a problem (Hang) when iSCSI targets are removed in the 4.4.0
kernel. The problem looks like it spans from 3.18 to 4.5. There is a
bug in scsi_scan.c (scsi_mod) and scsi_transport_fc. Emulex tested a
fix from Johannes(SUSE) that fixed it in the 4.4.0 kernel but I think
it is still waiting to get picked up in a stable kernle. This Hang
can happen on any devloss and on driver unload.
There is a patch from Bart van Asche that others reported is needed in
order to fix this issue. It's called "Separate target visibility from
reaped state information"
https://patchwork.kernel.org/patch/7987711/
This bug was brought to my attention by Dick Kennedy at Emulex (now
acquired by Avago/Broadcom).
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