From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Michael Breuer <mbreuer@majjas.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Regressionhung task during raid rebuild 2.6.33 rc5 was: Re: 2.6.33RC3 hung task - jbd2/dm-1-8 (during raid rebuild)
Date: Sat, 30 Jan 2010 20:57:59 +0100 [thread overview]
Message-ID: <201001302057.59529.rjw@sisk.pl> (raw)
In-Reply-To: <4B6486A7.8030404@majjas.com>
On Saturday 30 January 2010, Michael Breuer wrote:
> On 1/10/2010 4:47 PM, Michael Breuer wrote:
> > System crashed (watchdog reset).
> >
> > Was doing a raid rebuild at the time (raid6).
> >
> > I typed, 'yumdownloader --source virtlib' ... system froze, then
> > rebooted on the watchdog reset.
> >
> > I've attached the log extract from the event as well as dmesg.
> >
> >
> Hit this again - system doesn't crash now - just get the hung task
> warning (log extract attached). System seems to keep running (albeit the
> rebuild is incredibly slow on 2.6.33 rc5 - approx 6500K/sec vs. about
> 80,000K/sec on 2.6.32.4.
>
> Looks like it may be triggered by disk io during the rebuild. This time
> I had typed, "sync." "sync" hung for a long while but did eventually
> complete.
Is this the bug tracked as http://bugzilla.kernel.org/show_bug.cgi?id=15125 ?
Rafael
next prev parent reply other threads:[~2010-01-30 19:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-10 21:47 Michael Breuer
2010-01-30 19:21 ` Regressionhung task during raid rebuild 2.6.33 rc5 was: " Michael Breuer
2010-01-30 19:26 ` Regression: hung " Michael Breuer
2010-01-30 19:57 ` Rafael J. Wysocki [this message]
2010-01-30 20:00 ` Regressionhung " Michael Breuer
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