https://bugs.freedesktop.org/show_bug.cgi?id=54779
--- Comment #3 from Tvrtko Ursulin <[email protected]> 2012-09-11 16:03:32 UTC --- It is the "combine" thread which is busy looping. If I attach to it with strace it unwedges itself. Both on startup and also on daemon shutdown. Startup, combine using 100% CPU: Process 31916 attached - interrupt to quit 17:00:58.164278 ppoll([{fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 2, {0, 0}, NULL, 8) = 1 ([{fd=30, revents=POLLIN}], left {0, 0}) 17:00:58.164649 read(30, "\1\0\0\0\0\0\0\0", 8) = 8 17:00:58.164891 futex(0x2302f90, FUTEX_WAKE_PRIVATE, 1) = 1 17:00:58.165628 futex(0x2302f90, FUTEX_WAKE_PRIVATE, 1) = 1 17:00:58.166285 ppoll([{fd=40, events=POLLIN}, {fd=36, events=POLLIN}, {fd=37, events=POLLIN}, {fd=33, events=POLLIN}, {fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 6, NULL, NULL, 8) = 1 ([{fd=30, revents=POLLIN}]) 17:00:58.166451 read(30, "\1\0\0\0\0\0\0\0", 8) = 8 17:00:58.166575 futex(0x2302f90, FUTEX_WAKE_PRIVATE, 1) = 1 17:00:58.167215 ppoll([{fd=44, events=POLLIN}, {fd=40, events=POLLIN}, {fd=36, events=POLLIN}, {fd=41, events=POLLIN}, {fd=37, events=POLLIN}, {fd=33, events=POLLIN}, {fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 8, NULL, NULL, 8) = 1 ([{fd=30, revents=POLLIN}]) 17:00:58.167378 read(30, "\1\0\0\0\0\0\0\0", 8) = 8 17:00:58.167500 ppoll([{fd=48, events=POLLIN}, {fd=44, events=POLLIN}, {fd=40, events=POLLIN}, {fd=36, events=POLLIN}, {fd=45, events=POLLIN}, {fd=41, events=POLLIN}, {fd=37, events=POLLIN}, {fd=33, events=POLLIN}, {fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 10, NULL, NULL, 8) = 1 ([{fd=48, revents=POLLIN}]) 17:00:58.168926 read(48, "\1\0\0\0\0\0\0\0", 8) = 8 17:00:58.169034 ppoll([{fd=48, events=POLLIN}, {fd=44, events=POLLIN}, {fd=40, events=POLLIN}, {fd=36, events=POLLIN}, {fd=45, events=POLLIN}, {fd=41, events=POLLIN}, {fd=37, events=POLLIN}, {fd=33, events=POLLIN}, {fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 10, NULL, NULL, 8^C <unfinished ...> Process 31916 detached Daemon is now unwedged and works fine. Now on daemon shutdown combine threads starts busy looping again. Attaching strace to it: Process 31916 attached - interrupt to quit 17:01:31.163684 ppoll([{fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 2, {0, 0}, NULL, 8) = 0 (Timeout) 17:01:31.164670 read(30, "\1\0\0\0\0\0\0\0", 8) = 8 17:01:31.164905 futex(0x2302f90, FUTEX_WAKE_PRIVATE, 1) = 1 17:01:31.165019 ppoll([{fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 2, NULL, NULL, 8) = 1 ([{fd=30, revents=POLLIN}]) 17:01:31.165205 read(30, "\1\0\0\0\0\0\0\0", 8) = 8 17:01:31.165332 ppoll([{fd=30, events=POLLIN}, {fd=31, events=POLLIN}], 2, NULL, NULL, 8) = 1 ([{fd=30, revents=POLLIN}]) 17:01:31.165443 read(30, "\1\0\0\0\0\0\0\0", 8) = 8 17:01:31.165569 ioctl(2, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 17:01:31.165712 write(2, "D: [combine] module-combine-sink"..., 57) = 57 17:01:31.165861 madvise(0x7ffbf1af5000, 8368128, MADV_DONTNEED) = 0 17:01:31.165973 _exit(0) = ? Unwedged. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the QA Contact for the bug. You are the assignee for the bug. _______________________________________________ pulseaudio-bugs mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/pulseaudio-bugs
