From: Chris Friesen <chris.friesen@genband.com>
To: Neil Brown <neilb@suse.de>, linux-raid@vger.kernel.org
Subject: Re: hung in raise_barrier() in raid1.c -- any ideas?
Date: Thu, 20 Sep 2012 11:55:02 -0600 [thread overview]
Message-ID: <505B5876.4040405@genband.com> (raw)
In-Reply-To: <505B49E2.8070109@genband.com>
On 09/20/2012 10:52 AM, Chris Friesen wrote:
>
> Hi,
>
> I've got a fairly beefy (32 cpus, 64GB ram, isci-based SAS disks,
> etc.) embedded system running 2.6.27.
>
> We're seeing issues where disk operations suddenly seem to stall. In
> the most recent case we had the hung-task watchdog indicate that
> md1_resync was stuck for more than 120sec in raise_barrier().
>
> There are a bunch of "normal" tasks also stuck in wait_barrier(), so
> based on that I assume we're stuck in the second call to
> wait_event_lock_irq().
>
> Has anyone seen anything like this? Could commit 73d5c38 be related?
> What about 1d9d524?
Could d6b42dc be related?
Chris
next prev parent reply other threads:[~2012-09-20 17:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-20 16:52 hung in raise_barrier() in raid1.c -- any ideas? Chris Friesen
2012-09-20 17:55 ` Chris Friesen [this message]
2012-09-20 21:27 ` NeilBrown
2012-09-20 23:05 ` Chris Friesen
2012-09-21 2:16 ` NeilBrown
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