Hi, On Tue, Nov 25, 2008 at 12:09:22AM +0100, Takashi Iwai wrote: > At Mon, 24 Nov 2008 15:03:06 -0500, > Forest Bond wrote: > > On Fri, Nov 21, 2008 at 05:36:49PM +0100, Takashi Iwai wrote: > > > At Fri, 21 Nov 2008 11:32:56 -0500, > > > Forest Bond wrote: > > > > > > > > On Fri, Nov 21, 2008 at 01:54:43PM +0100, Takashi Iwai wrote: > > > > > At Fri, 21 Nov 2008 07:08:23 -0500, > > > > > Forest Bond wrote: > > > > > > On Fri, Nov 21, 2008 at 12:59:10PM +0100, Takashi Iwai wrote: > > > > > > > At Thu, 20 Nov 2008 12:04:09 -0500, > > > > > > > Forest Bond wrote: > > > > > > >> > > > > > > >> Hi, > > > > > > >> > > > > > > >> I'm using snd-via82xx on an Ubuntu 8.04 system. alsa-info.sh output is here: > > > > > > >> > > > > > > >> http://www.alsa-project.org/db/?f=1c3d5570e7b57d4d2f79b964a323dd7b4efd7e78 > > > > > > >> > > > > > > >> Here are the symptoms: > > > > > > >> > > > > > > >> Audio goes away after a semi-random interval. Sometimes it returns after > > > > > > >> `modprobe -r snd-via82xx' followed by `modprobe snd-via82xx', but sometimes it > > > > > > >> seems to take a full reboot. > > > > > > >> > > > > > > >> This looks similar to: > > > > > > >> > > > > > > >> https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3D3194 > > > > > > >> > > > > > > >> Some folks think that this kind of issue is triggered by audio volume being > > > > > > >> above a certain level. I'm not entirely sure if this is true, but I think it > > > > > > >> is. One time, I apparently triggered the issue by unplugging and replugging the > > > > > > >> audio cable from the mainboard during playback. > > > > > > >> > > > > > > >> Audio can be heard even when the PCM volume level is 0 (as told by alsamixer). > > > > > > >> The volume does get louder when I turn up that mixer control, but it never goes > > > > > > >> away entirely when I turn the volume to zero. Mute works as expected. > > > > > > > > > > > > > > The volume 0 doesn't always mean the mute on several hardwares. > > > > > > > So this can be irrelevant if it happens always. > > > > > > > > > > > > > > I vaguely remember about the low-power mode of some codec chips. > > > > > > > Which codec chip does your system have? Please run alsa-info.sh with > > > > > > > --no-upload option, and attach the output file. > > > > > > > > > > > > The output would be the same as what was already uploaded, right? I've attached > > > > > > that output here for your convenience. > > > > > > > > > > Thanks, it's always better to post the content than a URL. > > > > > > > > > > Any chance to try the later version of alsa-driver? > > > > > Yours looks pretty old. > > > > > > > > I can try this a bit later today. I'll report the results ASAP. > > > > > > BTW, try the one from the URL below instead of 1.0.18a. > > > This contains the newest alsa-driver snapshot: > > > ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz > > > > Brief testing indicates that 1.0.18a seems to fix the issue, actually. Sorry, I > > forgot that you had asked me to test the snapshot. > > > > Would it be helpful for you for me to try the snapshot as well (maybe to check > > for a regression)? > > Yes, it'd be helpful. The snapshot seems to work well, also. Thanks for your help! -Forest -- Forest Bond http://www.alittletooquiet.net http://www.pytagsfs.org
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