On Wed, 29 Jun 2011 17:56:33 +0100 Rodolfo Gouveia <[email protected]> wrote:
> On 06/29/2011 05:26 PM, Ted Unangst wrote: > > On Wed, 29 Jun 2011, Rares Aioanei wrote: > > > >> I have an audio biggie with my old laptop, which can't seem to play > >> audio (mp3,ogg) or video (the sound part) (flv) with mplayer , mpg321 > >> , xmms or mp3blaster. The sound is choppy, all I get is noise. From what > >> I've read (google) there were some issues of the kind a few years ago, but > >> no recent problem reports similar to mine exist. I start aucat as root > >> with "nice -n 20 aucat -l -b 7000 -m play -f /dev/audio0" then "mplayer > >> (or other players) <filename>" . I searched the misc@ archives to no end. > >> Even if I start aucat only with the -l flag (without the other options), > >> the result is the same. The CPU load does not spike while playing, nor > >> after. I've played audio/video on this machine in the past without issues, > >> even though it's somewhat underpowered. Here's the dmesg and sorry if I > >> wasn't clear enough. > > Try disabling CPU Power Management on the BIOS. > > > It's been a long time, but there's something wrong with clcs that causes > > this. I'm not sure if it's the chip or the driver, but the interrupts > > don't seem to be synced right. IIRC, sometimes rebooting will work. Or > > was it that it only worked after a cold boot? Something like that. > > > > I run -current on a T22 and still get some write/read fail codec when > suspending or returning from sleep. > When I get those errors after a resume and I try mplayer or anything > that uses sound I get flooded with errors on dmesg and the computer just > hangs for a bit until I kill the program that was using the sound card. > These are the errors: > clcs0: AC97 read prob > clcs0: AC97 write fail > The "fix" for me is to suspend it again and normally on the next resume > it's gone. > > Cheers, > --rodolfo > Thanks a lot! Disabling most power management settings solved it. Now the sound is crystal clear. Cheers, -- Rares Aioanei
