linux-kernel - Re: CPU soft lockup in usb-audio

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Message-ID: <20130124161629.GD13471@pd.tnic>
Date:	Thu, 24 Jan 2013 17:16:29 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Lasse Kärkkäinen <ljkarkk2@...hut.fi>
Cc:	linux-kernel@...r.kernel.org, USB list <linux-usb@...r.kernel.org>
Subject: Re: CPU soft lockup in usb-audio

On Thu, Jan 24, 2013 at 05:57:06PM +0200, Lasse Kärkkäinen wrote:
> I've spent months hunting for this random crash bug until today when
> I finally found a way to reliably reproduce it (run a software that
> I develop under valgrind). Log received over netconsole:
> 
> http://pastie.org/5848168
> 
> Is this a known issue or do you need more information to debug it?

Hmm, this happens while running memcheck-<something>.

A couple of things:

* can you try the same way of reproduction without the proprietary
nvidia module loaded?

* can you try latest kernel, 3.8-rc4 or 3.7-stable?

* let's also add linux-usb to CC.

HTH.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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