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Subject: Re: 2.6.17 x86_64 regression - reboot fails due to deadlock
From: Arjan van de Ven <arjan@infradead.org>
To: "Mr. Berkley Shands" <bshands@exegy.com>
Cc: linux-kernel@vger.kernel.org, Dave Lloyd <dlloyd@exegy.com>
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Date: Thu, 06 Jul 2006 18:23:16 +0200
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> In kdb, the system sits idle awaiting something to schedule, but nothing 
> will schedule since there is
> a deadlock on the supermicro. Any clues as to how to find which notifier 
> is deadlocked?

Hi,


if it's really a deadlock, then lockdep (new in 2.6.18-rc1) ought to
find it... just enable the various locking debug options in the -rc1
kernel and... it's active.


Greetings,
  Arjan van de Ven