linux-kernel - Re: Deadlock on concurrent remount-ro and mdadm --stop (2.6.37)

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Date:	Wed, 26 Jan 2011 22:31:00 +0100
From:	Harald Braumann <harry@...eit.net>
To:	Neil Brown <neilb@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Deadlock on concurrent remount-ro and mdadm --stop (2.6.37)

Hi,

I switched back to parallel boot and immediately got a lockup and I
was able to to capture the backtrace (`screenshot' attached). This
time it seems that the mount task blocked on its own.

Cheers,
harry

Download attachment "blocked_tasks.jpg" of type "image/jpeg" (156596 bytes)