2008/11/13 Florin Andrei <florin@xxxxxxxxxxxxxxx>:> 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@xxxxxxxxxxxxxxxxxxxxx> 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 challengeBuild the coolest Linux based applications with Moblin SDK & win great prizesGrand prize is a trip for two to an Open Source event anywhere in the worldhttp://moblin-contest.org/redirect.php?banner_id=100&url=/_______________________________________________Alsa-user mailing listAlsa-user@xxxxxxxxxxxxxxxxxxxxxxxxxx://lists.sourceforge.net/lists/listinfo/alsa-user
