linux-kernel - Re: 3.4.4: Oops in snd_hda_codec_realtek (alc_auto_create_multi_out

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Date:	Tue, 17 Jul 2012 14:25:56 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Alsa-Devel <alsa-devel@...a-project.org>
Subject: Re: 3.4.4: Oops in snd_hda_codec_realtek (alc_auto_create_multi_out_ctls)

At Mon, 9 Jul 2012 13:40:09 -0600,
Robert Hancock wrote:
> 
> I've got a sort of industrial portable PC that uses a Supermicro C2SBX
> motherboard. Running an RHEL6 kernel (2.6.32-ish) it works fine, but
> if I run a 3.4.4 kernel (using the kernel-ml builds provided by ELRepo
> for RHEL6) it blows up on boot inside snd_hda_codec_realtek. Below is
> the dmesg output from bootup up to the oops, after I blacklisted
> snd_hda_intel from auto-loading and then manually modprobed it. Is
> this a known problem?

I don't know of this issue, so need to check more.
Could you load snd-hda-intel module with probe_only=1 option, and run
alsa-info.sh with --no-upload option and give the output?
Then I can try the emulator to see what's wrong.

Also, of course, testing a newer kernel like 3.5-rc7 would be helpful,
too.


thanks,

Takashi
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