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Message-ID: <4EFDF9F9.2020804@gmail.com>
Date: Fri, 30 Dec 2011 12:50:49 -0500
From: Michael Mol <mikemol@gmail.com>
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Subject: Re: [gentoo-user] Kernel 3.1.6 and loss of sound
References: <201112301410.25933.peter@humphrey.ukfsn.org> <4EFDEE1B.5020203@gmail.com> <20111230171640.GA10857@creek> <201112301735.36722.peter@humphrey.ukfsn.org>
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Peter Humphrey wrote:
> On Friday 30 December 2011 17:18:35 Aljosha Papsch wrote:
>
> > On Fri, Dec 30, 2011 at 12:00:11PM -0500, Michael Mol wrote:
>
> > > Peter Humphrey wrote:
>
> > > > On Friday 30 December 2011 14:34:16 Mark Knecht wrote:
>
> > > > > I guess you're going to need to provide some debug info. Maybe try
>
> > > > > a
>
> > > > >
>
> > > > > complete power down and not just a warm boot. Not finding the
>
> > > > > device
>
> > > > >
>
> > > > > at all is problematic. What's in lspci, etc.?
>
> > > >
>
> > > > Power cycle complete - no difference. Switching back to kernel 3.0.6
>
> > > > I now have no sound there either!
>
> > > >
>
> > > > Lspci shows the device ok. Output of alsa-info attached.
>
> > >
>
> > > Your ALSA stuff looks fine, by my eye. What happens when you run
>
> > > "alsamixer"? "alsamixer -c0"?
>
> >
>
> > Peter, according to your amixer output 'Master Front' is set to 0%. Maybe
>
> > this is your problem?
>
> Well spotted, both you and Michael. However, that's not /the/ problem.
> Setting the master volume to 100% just gave me a faint hiss in the
> speakers; no real sound, and no device detected by alsaconf.
I'm inclined to think you have something in your asoundrc (either
system-wide or user-local) that's shunting ALSA clients over to Pulse,
and that Pulse has a misconfiguration.
FWIW, alsaconf doesn't see my sound cards, either. Here's what I've got:
kaylee shortcircuit # lspci -k|grep -i -A2 audio
00:1b.0 Audio device: Intel Corporation 631xESB/632xESB High Definition
Audio Controller (rev 09)
Subsystem: Hewlett-Packard Company Device 3015
Kernel driver in use: HDA Intel
--
40:00.1 Audio device: nVidia Corporation High Definition Audio
Controller (rev a1)
Subsystem: Micro-Star International Co., Ltd. Device 2011
Kernel driver in use: HDA Intel