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From: Sebastian Herbszt <herbszt@gmx.de>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-scsi@vger.kernel.org,
	Bart Van Assche <bart.vanassche@sandisk.com>,
	Sebastian Herbszt <herbszt@gmx.de>
Subject: Re: NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:1:29]
Date: Sun, 3 Jan 2016 19:03:41 +0100	[thread overview]
Message-ID: <20160103190341.0000387b@localhost> (raw)
In-Reply-To: <20160103114628.GA10582@lst.de>

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

  reply	other threads:[~2016-01-03 18:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-17 21:27 NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:1:29] Sebastian Herbszt
2015-12-31 17:04 ` Sebastian Herbszt
2016-01-03 11:46   ` Christoph Hellwig
2016-01-03 18:03     ` Sebastian Herbszt [this message]
2016-01-05 20:06       ` Sebastian Herbszt
2016-01-06  6:10         ` Christoph Hellwig

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