2008/11/13 Florin Andrei <[EMAIL PROTECTED]>: > Florin Andrei wrote: >> I got a Gigabyte GA-M78SM-S2H motherboard for a MythTV system: >> >> http://www.gigabyte.com.tw/Products/Motherboard/Products_Overview.aspx?ProductID=2817 >> >> It's a decent board for a home theater thing. VGA, DVI, HDMI, analog >> sound, S/PDIF - it has everything on-board. The onboard GeForce 8200 can >> even seem to do 1080p over HDMI with no obvious issues so far. >> >> It has a Realtek ALC888 sound chip. With Mythbuntu 8.04.1 (based on >> Ubuntu 8.04.1) 64 bit, sound was basically broken. When playing >> anything, there was a very large amount of "static" over the sound, >> crackling, echoes, etc. Like a speaker on overdrive, with echoes. Unusable. >> Mythbuntu 8.10rc4 was the same. >> >> I compiled and installed ALSA 1.0.18rc3 (driver, lib and utils) on top >> of Mythbuntu 8.04.1 and now I have clean analog sound. No more >> distorsion. Excellent! >> >> Now, the coax S/PDIF output is turned off by default. If I run alsamixer >> and unmute the S/PDIF, I do get the S/PDIF carrier on the output (the >> LED on the receiver lights up), but now alsamixer is frozen hard. I >> can't kill the process. If I reboot the OS, it would hang trying to kill >> alsamixer. I have to hit the reset button. And the S/PDIF doesn't even >> stay activated after reboot. > > I just installed Mythbuntu 8.10 64bit on this machine. I'm using the > distro's default kernel (latest kernel update package that comes with > the distro actually) 2.6.27. I guess it's ALSA-1.0.17 > > The analog output suddenly works fine. I get normal volume, clean > output, no distorsions. I can enable digital output with alsamixer and > that too works fine. > > I have no explanation for this. > > I am not going to try to compile / install a different ALSA version, > I've been mucking with this system for too long (for unrelated reasons). > > -- > Florin Andrei > > http://florin.myip.org/ > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Alsa-user mailing list > Alsa-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/alsa-user >
Must be some other changes in the kernel then. -- Vedran Miletić ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
