I've just got another variant on this, but with some memblockq.c messages in the log as well:
( 518.325| 62.683) I: [alsa-sink-USB Audio] alsa-sink.c: Scheduling delay of 363.12 ms > 15.99 ms, you might want to investigate this to improve latency... ( 518.325| 0.000) I: [alsa-sink-USB Audio] alsa-sink.c: Underrun! ( 518.325| 0.000) I: [alsa-sink-USB Audio] alsa-sink.c: Increasing minimal latency to 36.00 ms ( 518.325| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Latency set to 36.00ms ( 518.325| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: hwbuf_unused=1029528 ( 518.325| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: setting avail_min=86677 ( 518.325| 0.000) D: [alsa-sink-USB Audio] protocol-native.c: max_request changed, trying to update from 8680 to 10444. ( 518.325| 0.000) D: [alsa-sink-USB Audio] protocol-native.c: Notifying client about increased tlength ( 518.325| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Latency set to 36.00ms ( 518.325| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: hwbuf_unused=1029528 ( 518.325| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: setting avail_min=86677 ( 518.325| 0.000) D: [alsa-sink-USB Audio] protocol-native.c: Implicit underrun of 'Playback' ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.326| 0.000) D: [alsa-sink-USB Audio] flist.c: pulsecore/memblockq.c: list_items flist is full (don't worry) ( 518.339| 0.012) D: [alsa-sink-USB Audio] protocol-native.c: Requesting rewind due to end of underrun. ( 518.339| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Requested to rewind 176124 bytes. ( 518.339| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Limited to 18788 bytes. ( 518.339| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: before: 1565 ( 518.339| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: after: 1323 ( 518.339| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Rewound 15876 bytes. ( 518.339| 0.000) D: [alsa-sink-USB Audio] sink.c: Processing rewind... ( 518.339| 0.000) D: [alsa-sink-USB Audio] sink-input.c: Have to rewind 15876 bytes on render memblockq. ( 518.339| 0.000) D: [alsa-sink-USB Audio] source.c: Processing rewind... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1594296 Title: [USB-Audio - USB Sound Device, playback] Occasional audio playback blips from Sweex 7.1 external USB card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1594296/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
