[alsa-devel] 2.6.30: xruns caused by "ALSA: pcm - Safer boundary checks"

[Chuck Ebbert]

Bug report: https://bugzilla.redhat.com/show_bug.cgi?id=498858

To reproduce, pause a video in mplayer and then hit play:

ALSA sound/core/pcm_lib.c:263: hda_codec: hw_ptr skipping! [Q] (pos=11263,
delta=17400, period=1024, jdelta=21/362/0)
ALSA sound/core/pcm_lib.c:337: hda_codec: hw_ptr skipping! (pos=11730,
delta=1490, period=1024, jdelta=10/31)
ALSA sound/core/pcm_lib.c:337: hda_codec: hw_ptr skipping! (pos=11734,
delta=1494, period=1024, jdelta=10/31)
ALSA sound/core/pcm_lib.c:337: hda_codec: hw_ptr skipping! (pos=11734,
delta=1494, period=1024, jdelta=10/31)
ALSA sound/core/pcm_lib.c:337: hda_codec: hw_ptr skipping! (pos=11735,
delta=1495, period=1024, jdelta=10/31)
ALSA sound/core/pcm_lib.c:263: hda_codec: hw_ptr skipping! [Q] (pos=12287,
delta=2047, period=1024, jdelta=21/42/0)
ALSA sound/core/pcm_lib.c:337: hda_codec: hw_ptr skipping! (pos=12449,
delta=2209, period=1024, jdelta=4/46)