linux-kernel - Re: BUG: soft lockup during suspend

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Message-ID: <s5h648vdhin.wl%tiwai@suse.de>
Date:	Tue, 20 Mar 2007 17:08:48 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Pavel Machek <pavel@....cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: BUG: soft lockup during suspend

At Tue, 20 Mar 2007 12:05:07 -0400,
Chuck Ebbert wrote:
> 
> Takashi Iwai wrote:
> > 
> > X60/T60 is known to be often broken regarding the communication
> > between the controller and the codec chip.  When this kind of thing
> > happens, the driver tries to switch to a single-shot I/O without using
> > ring-buffers and IRQs, and even in such a mode, the communication gets
> > broken.  FWIW, it doesn't happen on other machines with HD-audio, so
> > it's fairly specific to X60/T60.  No idea why.
> 
> What about Acer Aspire 5102?
> 
> http://lkml.org/lkml/2006/12/3/9

This is a different problem.
A known workaround is to provide probe_mask=1 module option.


Takashi
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