Tried snd-hda-intel option "enable_msi=1", since I figured it might be some IRQ issue. That didn't help.
So I noticed CPU0 was handling all interrupts occuring on my system (via /proc/interrupts) for radeon and hda-intel modules. I altered the IRQ affinity for hda-intel, so it would be handled on the other CPU, but that did not help on the audio crackling either. So it seems I'm properly stuck for now, unless someone can come up with some other advice. Try newer kernel, perhaps ? Mainline PPA ? ** Summary changed: - Thread [hd-audio0] consuming excessive amounts of CPU during audio playback + Thread [hd-audio0] consuming excessive amounts of CPU, audio crackling -- Thread [hd-audio0] consuming excessive amounts of CPU, audio crackling https://bugs.launchpad.net/bugs/571770 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
