linux-kernel - Re: panics with 16port Promise Supertrack EX Controller

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Message-ID: <20070715080209.GC21260@no-way.org>
Date:	Sun, 15 Jul 2007 10:02:09 +0200
From:	Flavio Curti <fcu@...way.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Flavio Curti <lists.fcu@...way.org>,
	linux-kernel@...r.kernel.org, Jens Axboe <jens.axboe@...cle.com>
Subject: Re: panics with 16port Promise Supertrack EX Controller

Hello

On Mon, Jul 09, 2007 at 11:59:36AM +1000, Nick Piggin wrote:
> >Jul  8 00:19:13 dorade.cyberlink.ch EFLAGS: 00210046   
> >(2.6.22-rc7-dorade #1)
> >>The machine panics
> >>after some days of running fine, the machine inst heavy loaded.
> >>The Controller detects as stex device:
> >kernel BUG at block/as-iosched.c:1084!
> >
> >BUG_ON(RB_EMPTY_ROOT(&ad->sort_list[REQ_ASYNC]));
> Could be a bug in the driver that just happens to be caught by AS checks.
> If you could test another scheduler (boot with elevator=deadline or 
> elevator=cfq),
> it might help give us an idea.

Ok, I now switched to cfg, and the machine panicd again. Panic attached.
Any help is appreciated.

Flavio Curti
--
http://no-way.org/~fcu/

View attachment "dorade-kdump" of type "text/plain" (1486 bytes)