linux-kernel - Re: 2.6.30-rc1: invalid opcode with call trace

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Message-ID: <20090408065352.GR5178@kernel.dk>
Date:	Wed, 8 Apr 2009 08:53:53 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Justin Madru <jdm64@...ab.com>,
	lkml <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: 2.6.30-rc1: invalid opcode with call trace

On Wed, Apr 08 2009, Ingo Molnar wrote:
> 
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
> > I too have an async hang/crash, on an old-style SCSI (aic7xxx) box 
> > - hang log attached below.
> > [...]
> >
> > ( Full bootlog attached below as well - i'm sending the config as a 
> >   reply as this mail is close to lkml size limits already. )
> 
> Config attached.
> 
>  known bad  : v2.6.29-9854-gd508afb
>  known good : v2.6.29
> 
> Suspected commit introducing the regression:
> 
>  9710794: async: remove the temporary (2.6.29) "async is off by default" code
> 
> (i'll now try a revert of this.)

That's what I figured was the culprit as well, but that does not really
tell us anything about what part of async.c is buggy :-)

-- 
Jens Axboe

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