[alsa-devel] Which project to choose?

[Raymond Yau]

2010/7/14 Chris <cpollock at embarqmail.com>

> I want to submit a bug report on the below. This issue was noted in
> Mandriva 2010 and is still present in 2010.1
>
> pulseaudio[24553]: alsa-util.c: snd_pcm_delay() returned a value that is
> exceptionally large: -161920 bytes (-917 ms).
> localhost pulseaudio[24553]: alsa-util.c: Most likely this is a bug in
> the ALSA driver 'snd_ens1371'. Please report this issue to the ALSA
> developers.
> localhost pulseaudio[24553]: alsa-util.c: snd_pcm_dump():
> localhost pulseaudio[24553]: alsa-util.c: Hardware PCM card 0 'Ensoniq
> AudioPCI' device 0 subdevice 0
> localhost pulseaudio[24553]: alsa-util.c: Its setup is:
> localhost pulseaudio[24553]: alsa-util.c:   stream       : PLAYBACK
> localhost pulseaudio[24553]: alsa-util.c:   access       :
> MMAP_INTERLEAVED
> localhost pulseaudio[24553]: alsa-util.c:   format       : S16_LE
> localhost pulseaudio[24553]: alsa-util.c:   subformat    : STD
> localhost pulseaudio[24553]: alsa-util.c:   channels     : 2
> localhost pulseaudio[24553]: alsa-util.c:   rate         : 44100
> localhost pulseaudio[24553]: alsa-util.c:   exact rate   : 44101
> (1445100000/32768)
> localhost pulseaudio[24553]: alsa-util.c:   msbits       : 16
> localhost pulseaudio[24553]: alsa-util.c:   buffer_size  : 4408
> localhost pulseaudio[24553]: alsa-util.c:   period_size  : 1102
> localhost pulseaudio[24553]: alsa-util.c:   period_time  : 24988
> localhost pulseaudio[24553]: alsa-util.c:   tstamp_mode  : ENABLE
> localhost pulseaudio[24553]: alsa-util.c:   period_step  : 1
> localhost pulseaudio[24553]: alsa-util.c:   avail_min    : 1102
> localhost pulseaudio[24553]: alsa-util.c:   period_event : 1
> localhost pulseaudio[24553]: alsa-util.c:   start_threshold  : -1
> localhost pulseaudio[24553]: alsa-util.c:   stop_threshold   :
> 1155530752
> localhost pulseaudio[24553]: alsa-util.c:   silence_threshold: 0
> localhost pulseaudio[24553]: alsa-util.c:   silence_size : 0
> localhost pulseaudio[24553]: alsa-util.c:   boundary     : 1155530752
> localhost pulseaudio[24553]: alsa-util.c:   appl_ptr     : 735801008
> localhost pulseaudio[24553]: alsa-util.c:   hw_ptr       : 735846184
> localhost pulseaudio[24553]: ratelimit.c: 280 events suppressed
> localhost pulseaudio[24553]: asyncq.c: q overrun, queuing locally
>
> Because of the constant disk access when this is happening my system
> becomes almost unusable.
>
>
localhost pulseaudio[24553]: alsa-util.c:   appl_ptr     : 735801008
localhost pulseaudio[24553]: alsa-util.c:   hw_ptr       : 735846184

This is underrun as you can see appl_ptr is behing hw_ptr

However PA server had disabled the underrun detection.