It seems to be related to mono to stereo remapping, or the upsampling, I am playing a mono 16kHz file repeatedly, and sometimes the error occurs. I: client.c: Created 12 "Native client (UNIX socket client)" D: protocol-native.c: Protocol version: remote 19, local 19 I: protocol-native.c: Got credentials: uid=0 gid=0 success=1 D: protocol-native.c: SHM possible: yes D: protocol-native.c: Negotiated SHM: no D: module-palm-policy.c: found virtual sink index on virtual sink 4, name pmedia, index 4 D: module-suspend-on-idle.c: Sink pcm_output becomes busy. D: resampler.c: Channel matrix: D: resampler.c: I00 D: resampler.c: +------ D: resampler.c: O00 | 1.000 D: resampler.c: O01 | 1.000 I: remap.c: Using mono to stereo remapping I: resampler.c: Using resampler 'ffmpeg' I: resampler.c: Using s16le as working format. D: memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0 D: memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0 I: sink-input.c: Created input 11 "GST Playback Stream" on pcm_output with sample spec s16le 1ch 16000Hz and channel map mono I: sink-input.c: media.name = "GST Playback Stream" I: sink-input.c: application.name = "gst-launch-0.10" I: sink-input.c: native-protocol.peer = "UNIX socket client" I: sink-input.c: native-protocol.version = "19" I: sink-input.c: application.process.id = "10626" I: sink-input.c: application.process.user = "root" I: sink-input.c: application.process.host = "palm-webos" I: sink-input.c: application.process.binary = "gst-launch-0.10" I: sink-input.c: application.language = "C" I: sink-input.c: application.process.machine_id = "palm-webos" I: protocol-native.c: Requested tlength=200.00 ms, minreq=10.00 ms D: protocol-native.c: Adjust latency mode enabled, configuring sink latency to half of overall latency. D: memblockq.c: memblockq requested: maxlength=4194304, tlength=4660, base=2, prebuf=0, minreq=320 maxrewind=0 D: memblockq.c: memblockq sanitized: maxlength=4194304, tlength=4660, base=2, prebuf=0, minreq=320 maxrewind=0 I: protocol-native.c: Final latency 200.05 ms = 125.62 ms + 2*10.00 ms + 54.42 ms D: sink-input.c: Requesting rewind due to uncorking D: alsa-sink.c: Requested to rewind 9600 bytes. D: alsa-sink.c: Limited to 9344 bytes. D: alsa-sink.c: before: 2336 D: alsa-sink.c: after: 2336 D: alsa-sink.c: Rewound 9344 bytes. D: sink.c: Processing rewind... D: source.c: Processing rewind... On Mon, Apr 4, 2011 at 11:45 AM, Baek Chang <baeksan at ccrma.stanford.edu>wrote: > Hi, > > Trying to debug pulseaudio 0.9.22 and I am seeing some alignment trap > warnings from kernel > > [ 1564.095562] Alignment trap: alsa-sink (5580) PC=0x2ab2ca3c > Instr=0xe1ca00d0 Address=0x2af9302a FSR 0x011 > [ 1564.095597] Alignment trap: alsa-sink (5580) PC=0x2ab2ca68 > Instr=0xe0ca00f8 Address=0x2af9302a FSR 0x811 > [ 1564.113377] Alignment trap: alsa-sink (5580) PC=0x2ab2ca3c > Instr=0xe1ca00d0 Address=0x2af93032 FSR 0x011 > [ 1564.122811] Alignment trap: alsa-sink (5580) PC=0x2ab2ca68 > Instr=0xe0ca00f8 Address=0x2af93032 FSR 0x811 > [ 1564.132240] Alignment trap: alsa-sink (5580) PC=0x2ab2ca3c > Instr=0xe1ca00d0 Address=0x2af9303a FSR 0x011 > [ 1564.141703] Alignment trap: alsa-sink (5580) PC=0x2ab2ca68 > Instr=0xe0ca00f8 Address=0x2af9303a FSR 0x811 > [ 1564.151195] Alignment trap: alsa-sink (5580) PC=0x2ab2ca3c > Instr=0xe1ca00d0 Address=0x2af93042 FSR 0x011 > [ 1564.160625] Alignment trap: alsa-sink (5580) PC=0x2ab2ca68 > Instr=0xe0ca00f8 Address=0x2af93042 FSR 0x811 > [ 1564.170065] Alignment trap: alsa-sink (5580) PC=0x2ab2ca3c > Instr=0xe1ca00d0 Address=0x2af9304a FSR 0x011 > > I tried connecting to gdb and reproducing the issue, the problem is that > pulseaudio doesn't crash, but eventually terminates. > Any ideas on how to debug this? > > Thanks > Baek > -- -baeksanchang -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20110404/4d2d5acf/attachment.htm>
