Sound worked with Windows, does not work with Linux Ubuntu, installed July '07,
accept once with an up-date down load from you. The sound worked until I shut
the machine off. Upon starting the machine up the next day, no sound, and no
sound the past two months since installation. I've plated with
System/Preferences/Sound but I can't make sense of those settings.
Thanks for your help on this.
Mike
ProblemType: Bug
Architecture: i386
Date: Sat Jul 21 17:34:34 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/gnome-panel
Package: gnome-panel 1:2.18.1-0ubuntu3.1
PackageArchitecture: i386
ProcCmdline: gnome-panel --sm-client-id default1
ProcCwd: /home/mike
ProcEnviron:
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-panel
Uname: Linux c-71-232-240-212Mike 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32
UTC 2007 i686 GNU/Linux
#We couldnt find a suitable wget, so tell the user to upload manually.
else
if [[ -z $DIALOG ]]
then
echo ""
echo "Could not automatically upload output to
http://www.pastebin.ca";
echo "Possible reasons are:"
echo " 1. Couldnt find 'wget' in your PATH"
echo " 2. Your version of wget is less than 1.8.2"
echo ""
echo "Please manually upload $FILE to http://www.pastebin.ca/upload.php
and submit your post."
echo ""
fi
if [[ -n $DIALOG ]]
then
dialog --backtitle "$BGTITLE" --msgbox "Could not automatically
upload output to http://www.pastebin.ca.\nPossible reasons are:\n\n 1.
Couldn't find 'wget' in your PATH\n 2. Your version of wget is less than
1.8.2\n\nPlease manually upload $FILE to http://www.pastebin.ca/upload.php and
submit your post." 25 100
fi
fi
#Clean up the temp files
if [ -z $KEEP_FILES ]
then
cleanup
fi
1. tail -2 /proc/asound/oss/sndstat
The above command lists the codecs involved. The output from this command is
vital. Different codecs pushing the same driver (say, intel8x0, emu10k1, or
hda-intel) exhibit a huge variation in errata.
2. amixer
It is imperative that you include the amixer output from your preferred (the
one that's giving problems) audio device. The community has spent years
documenting known mixer issues on http://alsa.opensrc.org/ (see drivers). For
instance, many of the codecs driving cs46xx, emu10k1, and intel8x0 require
multiple elements to be selected, unmuted, and raised to audible levels.
3. lspci -nv
The actual {sub,}{vendor,device} IDs are important. That's how we track whether
something exists as a quirk or needs to be added/modified.
4. asoundconf list
This script command (which is really just filtered cat /proc/asound/cards)
lists the enumerated sound devices on your system.
5.cat /etc/asound.conf ~/.asoundrc*
We need to know if you've modified any runtime configuration files that affect
how alsa-lib interacts with your sound devices. The nonexistence of the above
files is not a problem.
6. dmesg
Many codecs and drivers, upon initialization, will spit something via printk()
into the kernel ring buffer. Any diagnostic messages will appear in this output.
7. cat /proc/interrupts
Sound devices require resources. We need to see if those resources are properly
assigned, the above command lists interrupts used.
8.Manual sound configuration collection
You can use aplay to get a list of soundcards configured by alsa
$ aplay --list-devices
aplay: device_list:200: no soundcards found...
The following commands can help to figure out what sound card (chip set) you
have (Look for lines that contain 'Multimedia audio controller')
$ lspci -v
$ lspnp -v
Mike Dudley
_________________________________________________________________
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--
[feisty] no audio output on an unspecified system
https://bugs.launchpad.net/bugs/130397
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