On Mon, May 26, 2008 at 9:39 AM, stan <ghjeold_i_mwee@xxxxxxx> wrote:
Peter Westley wrote:
Tobin,[snip]
On Sat, May 24, 2008 at 3:05 AM, Tobin Davis <tdavis@xxxxxxxxxxxx <mailto:tdavis@xxxxxxxxxxxx>> wrote:
Before you go off and get rid of your board, there are a number of
things to look at first. According to an earlier post, it looked
as though the audio may have been disabled in bios.
Checked that - all OK.
Another possibility is that it worked before because the driver
didn't even know about the codec (let alone the board). When I
looked at the tip source, the only motherboard that matched the
subdevice id for your system was a 945 (ICH7/Sigmatel 9221). Based on that, and the the way my board currently works (DP35DP -
very similar), I am starting to think that it may be a problem
with Ubuntu's alsa drivers (wouldn't be a first time, believe me).
I've tried building an Ubuntu 8.04 from scratch but that doesn't work. I'll also try it with the 7.10 desktop I think I originally had it working with. Haven't done that yet so can't report on it... standby for an update on that.
First thing to try, as suggested elsewhere, try removing your
tuner card temporarily. If audio comes up, then we have found the
conflict.
Yes did that, same result.
If not, try "acpi=off".
Also this, no luck
Lastly, you can try downloading a daily snapshot from
ftp://ftp.suse.com/pub/projects/alsa/snapshot/driver/ and building
it with "./configure --with-cards=hda-intel --with-debug=detect". Once you build and install it, type "lsmod|fgrep snd|awk '{print
$1}'|xargs rmmod" to remove all sound modules, type "dmesg -c" to
clear the dmesg log, then "modprobe snd_hda_intel" to load the new
modules. If you still don't get audio, type dmesg to see the
latest output and email that info here.
OK built 20080524 from the above site (actually from ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/ because there's a 'README' there that says it's moved...)
Used:
./configure --with-cards=hda-intel --with-debug=detect
make
sudo make install
Then removed all the 'snd' modules with rmmod (couldn't use your above command - it required reverse dependency removal of the modules so I just did it manually - anyone written a script or is there an option to rmmod that ignores dependencies?)
and finally
dmesg -c
modprobe snd-hda-intel
No go.
You might want to look at the thread "ICH8 HDA not detected after upgrade from Ubuntu 7.10 to 8.04". He has the identical problem and his dmesg clearly shows that the probe of the soundcard is failing.
Curious to know why the hal is getting involved...
So that's where we are...
Peter
Stan,
Thanks, yes I saw that and wondered the same thing. In fact his problem is a little different - in his dmesg log, he gets:
- [ 42.872651] ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 22 (level, low) -> IRQ 21
- [ 42.872657] PCI: Unable to reserve mem region #1:4000@febf8000 for device 0000:00:1b.0
- [ 42.872661] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
- [ 42.872668] HDA Intel: probe of 0000:00:1b.0 failed with error -16
- [ 40.254047] ALSA /build/buildd/linux-ubuntu-modules-2.6.24-2.6.24/debian/build/build-server/sound/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:1892:hda-intel: no codecs found!
- [ 40.254089] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
I did try installing a fresh 7.10 and 7.04 Ubuntu and now I'm beginning to doubt my recollection that the sound ever worked - it didn't on either of those installs....
Peter
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