seem get a poll from the emulated ICH controller just at the time of starting capture 0.052 , there is no data to read of course
( 0.050| 0.000) D: [pulseaudio] alsa-util.c: Hardware PCM card 0 'Intel 82801AA-ICH' device 0 subdevice 0 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: Its setup is: ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: stream : CAPTURE ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: channels : 2 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1) ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 3528 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: period_size : 441 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: period_time : 10000 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: tstamp_mode : ENABLE ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: period_step : 1 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: avail_min : 441 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: period_event : 1 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: start_threshold : -1 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: stop_threshold : 7944349742681554944 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: silence_threshold: 0 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: silence_size : 0 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: boundary : 7944349742681554944 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: appl_ptr : 0 ( 0.050| 0.000) D: [pulseaudio] alsa-util.c: hw_ptr : 0 ( 0.050| 0.000) D: [pulseaudio] alsa-source.c: Read hardware volume: 0: 67% 1: 67% ( 0.050| 0.000) D: [pulseaudio] alsa-source.c: in dB: 0: -10.50 dB 1: -10.50 dB ( 0.050| 0.000) D: [alsa-source-Intel ICH] alsa-source.c: Thread starting up ( 0.052| 0.002) D: [alsa-source-Intel ICH] core-util.c: RealtimeKit worked. ( 0.052| 0.000) I: [alsa-source-Intel ICH] core-util.c: Successfully enabled SCHED_RR scheduling for thread, with priority 5. ( 0.052| 0.000) I: [alsa-source-Intel ICH] alsa-source.c: Starting capture. ( 0.052| 0.000) E: [alsa-source-Intel ICH] alsa-source.c: ALSA woke us up to read new data from the device, but there was actually nothing to read! ( 0.052| 0.000) E: [alsa-source-Intel ICH] alsa-source.c: Most likely this is a bug in the ALSA driver 'snd_intel8x0'. Please report this issue to the ALSA developers. ( 0.052| 0.000) E: [alsa-source-Intel ICH] alsa-source.c: We were woken up with POLLIN set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1246929 Title: alsa bug in KVM virtual machines To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1246929/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
