Gentoo Archives: gentoo-user

From: Michael Mol <mikemol@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Kernel 3.1.6 and loss of sound
Date: Fri, 30 Dec 2011 17:52:08
Message-Id: 4EFDF9F9.2020804@gmail.com
In Reply to: Re: [gentoo-user] Kernel 3.1.6 and loss of sound by Peter Humphrey
1 Peter Humphrey wrote:
2 > On Friday 30 December 2011 17:18:35 Aljosha Papsch wrote:
3 >
4 > > On Fri, Dec 30, 2011 at 12:00:11PM -0500, Michael Mol wrote:
5 >
6 > > > Peter Humphrey wrote:
7 >
8 > > > > On Friday 30 December 2011 14:34:16 Mark Knecht wrote:
9 >
10 > > > > > I guess you're going to need to provide some debug info. Maybe try
11 >
12 > > > > > a
13 >
14 > > > > >
15 >
16 > > > > > complete power down and not just a warm boot. Not finding the
17 >
18 > > > > > device
19 >
20 > > > > >
21 >
22 > > > > > at all is problematic. What's in lspci, etc.?
23 >
24 > > > >
25 >
26 > > > > Power cycle complete - no difference. Switching back to kernel 3.0.6
27 >
28 > > > > I now have no sound there either!
29 >
30 > > > >
31 >
32 > > > > Lspci shows the device ok. Output of alsa-info attached.
33 >
34 > > >
35 >
36 > > > Your ALSA stuff looks fine, by my eye. What happens when you run
37 >
38 > > > "alsamixer"? "alsamixer -c0"?
39 >
40 > >
41 >
42 > > Peter, according to your amixer output 'Master Front' is set to 0%. Maybe
43 >
44 > > this is your problem?
45 >
46 > Well spotted, both you and Michael. However, that's not /the/ problem.
47 > Setting the master volume to 100% just gave me a faint hiss in the
48 > speakers; no real sound, and no device detected by alsaconf.
49
50 I'm inclined to think you have something in your asoundrc (either
51 system-wide or user-local) that's shunting ALSA clients over to Pulse,
52 and that Pulse has a misconfiguration.
53
54 FWIW, alsaconf doesn't see my sound cards, either. Here's what I've got:
55
56 kaylee shortcircuit # lspci -k|grep -i -A2 audio
57 00:1b.0 Audio device: Intel Corporation 631xESB/632xESB High Definition
58 Audio Controller (rev 09)
59 Subsystem: Hewlett-Packard Company Device 3015
60 Kernel driver in use: HDA Intel
61 --
62 40:00.1 Audio device: nVidia Corporation High Definition Audio
63 Controller (rev a1)
64 Subsystem: Micro-Star International Co., Ltd. Device 2011
65 Kernel driver in use: HDA Intel

Replies

Subject Author
Re: [gentoo-user] Kernel 3.1.6 and loss of sound Peter Humphrey <peter@××××××××××××××.org>