I encountered this bug on my silver PowerMac G4: cat /proc/cpuinfo [...] machine : PowerMac3,5 motherboard : PowerMac3,5 MacRISC2 MacRISC Power Macintosh detected as : 69 (PowerMac G4 Silver) [...]
cat /dev/sndstat [...] Card config: PowerMac Tumbler (Dev 21) Sub-frame 0 Audio devices: 0: PowerMac Tumbler [...] I am currently using the normal Ubuntu 7.10 kernel (linux 2.6.22), without PREEMPT, and using CONFIG_HZ=250. I also had this problem on Ubuntu 7.04 with kernel 2.6.20. I did _not_ have this problem on Ubuntu 6.10 with kernel 2.6.17 ! ** Description changed: Binary package hint: linux-image-2.6.20-6-powerpc Audio plays (via any audio application) for about 3 seconds, then it blocks, and no further audio is heard until the player is killed. Powerbook G4, c. 2002 vintage with snd_powermac. Audio was fine in Edgy. Example of blocked app: jrh 5289 0.5 0.8 22072 4148 pts/0 SLl+ 20:43 0:00 ogg123 /home/shared/audio/cd/Berlioz/TeDeum/00.Te_Deum_Hymne.ogg Snd Modules: snd_powermac 49984 1 snd_aoa_i2sbus 24292 0 snd_pcm_oss 53984 0 snd_mixer_oss 20960 1 snd_pcm_oss snd_pcm 95812 3 snd_powermac,snd_aoa_i2sbus,snd_pcm_oss snd_page_alloc 11368 1 snd_pcm snd_seq_dummy 4004 0 snd_seq_oss 40660 0 snd_seq_midi 10016 0 snd_rawmidi 29632 1 snd_seq_midi snd_seq_midi_event 8192 2 snd_seq_oss,snd_seq_midi snd_seq 61888 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event snd_timer 26404 2 snd_pcm,snd_seq snd_seq_device 9388 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq snd 69812 12 snd_powermac,snd_aoa_i2sbus,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 8996 1 snd snd_aoa_soundbus 7812 1 snd_aoa_i2sbus this is known to effect the following macs (code name/numbers from cat /proc/cpuinfo) PowerBook3,5 - TiBook 15 inch 1GHz + PowerMac3,5 - PowerMac G4 silver, 933 MHz (Audio: PowerMac Tumbler) -- No sound in linux-image-2.6.20-8-powerpc G4 https://bugs.launchpad.net/bugs/87652 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
