'Twas brillig, and [email protected] at 23/09/09 09:56 did gyre and gimble:
I have a problem getting the mic to work on a Toshiba 100 with an
ALC861 chipset (no builtin mic). I tried Ubuntu 9.04 and 9.10 Alpha with
the same results: the mic works during the live session but stops
working after installation. Because of that, it's very likely not a bug
within the ALSA driver but either a wrong configuration or a bug in a
higher level application like PA. I've already filed a bug report on
launchpad, but got no response so far:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/434511
However, after doing a lot of search, it seems that there are more
people with similar problems and they "solved" them mostly by
uninstalling PA. I don't really want to do that (especially not in
Ubuntu Karmic, since it's deeply integrated) so I decided to ask for
help on this mailing list. Unfortunately, it's not my laptop and I only
have access to it for the next few days. So, if anyone has some
suggestions on how to get the mic working (or track down the bug) that
would be really helpful...
The starting point would be to provide the output from:
pacmd list
Then to double check in pavucontol (the newest version - e.g. 0.9.9)
which supports ports.
1. On the "Configuration" tab, you should have a profile selection drop
down for your card. This should allow you to choose how your hardware
works. e.g. you may have picked a 5.1 output profile which disables
sound input (due to hardware limitations) or simply selected an output
only profile. If so you would generally not get a list of devices under
the "Input Devices" (with the default filter).
If that doesn't solve the issue, look on the "Input Devices" tab and you
should see the recording device. if there are multiple ports available
then you should get a drop down there that you can use to switch ports.
This may solve it for you.
If all this fails, try a fresh user account or remove your ~/.pulse
folder. If the live session works, then it could just be some thing in
your config that's causing it, so trashing ~/.pulse is the easiest fix
there (although double check /etc/pulse for differences in the files
there from the live version too.
HTHs
Col
--
Colin Guthrie
gmane(at)colin.guthr.ie
http://colin.guthr.ie/
Day Job:
Tribalogic Limited [http://www.tribalogic.net/]
Open Source:
Mandriva Linux Contributor [http://www.mandriva.com/]
PulseAudio Hacker [http://www.pulseaudio.org/]
Trac Hacker [http://trac.edgewall.org/]
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