Re: NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:1:29]

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Christoph Hellwig wrote:
> On Thu, Dec 31, 2015 at 06:04:15PM +0100, Sebastian Herbszt wrote:
> > I still get this on 4.4.0-rc7-1.g276c9f4-default. Since this did not
> > happen on 4.3 I checked the scsi changes and found the following commit:
> > 
> > scsi: restart list search after unlock in scsi_remove_target
> > 
> > Christoph, can it cause this issue?
> 
> Apparently yes.  Bad hard a patch to avoid this when he resubmitted
> my patch, which for some reason didn't get apply.  Can you grab it
> from the list archives and give it a try?

Do you mean the following patch?

"[PATCH v2] Separate target visibility from reaped state information" [1]

I can give it a try but it will likely take a few days.

[1] http://marc.info/?l=linux-scsi&m=144771953020415&w=2

Sebastian
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