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Bug#702614: No sound after Wheezy installation



Control: tag -1 moreinfo

On Fri, 2013-03-08 at 20:09 -0500, Daniel Chester wrote:
> Package: installation-reports
> 
> Boot method: network
> Image version:  http://cdimage.debian.org/cdimage/wheezy_di_rc1/i386/iso-cd/debian-wheezy-DI-rc1-i386-netinst.iso
> Date: February 27, 2013, 5 pm EST
> 
> Machine IBM Thinkpad X31
> Processor: CPU family = Intel Pentium M 1300mHz, CPU ID = 695
> Memory; 20GB (The specs say 20 GB, but we detected only 16GB when partitioning)
[...]
> 00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller [8086:24c5] (rev 01)
>  	Subsystem: IBM Device [1014:0534]
>  	Kernel driver in use: snd_intel8x0

So a sound driver is loaded.

> The install appeared to go well. I chose the LXDE desktop environment and
> installed Midori and SBCL.  But then I discovered that there is no sound.
> There was an error message on booting that said that pcspkr was already
> registered.  I added the blacklist snd-pcsp line to fbdev-blacklist.conf and
> that fixed the error message.  But there is no evidence that anything
> associated with alsa was installed.  For example, /usr/sbin/alsa does not
> exist.  Even vi does not beep when you expect it to.

This depends on the configuration of the terminal emulator.

> I would expect that
> Wheezy would come with the appropriate sound software installed.
> 
> I am in the audio group.  When I look in /dev, I don't see anything like dsp
> or pcm.
[...]

/dev/dsp is ancient history (OSS).  ALSA sound devices appear under
/dev/snd.

In a fresh installation, the initial mixer settings are likely to be
silent (or very quiet).  I expect that LXDE has a volume control or
mixer application you can use to adjust them.  Let us know whether you
continue to have a problem with sound.

Ben.

-- 
Ben Hutchings
Always try to do things in chronological order;
it's less confusing that way.

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