t Tue, 13 Jul 2004 02:00:25 -0700,
Andrew Morton wrote:
Lee Revell <rlrevell(a)joe-job.com> wrote:
Here are some more. These result from using mplayer with ALSA OSS
emulation:
Jul 13 04:31:49 mindpipe kernel:
Jul 13 04:31:49 mindpipe kernel: ALSA
/usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:31:49 mindpipe kernel: [__crc_totalram_pages+1387264/5353478]
snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:31:49 mindpipe kernel: [__crc_totalram_pages+1455070/5353478]
snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:31:49 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:31:49 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:31:49 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:31:49 mindpipe kernel: [__crc_totalram_pages+1394929/5353478]
snd_pcm_format_set_silence+0x4b/0x1d0 [snd_pcm]
Jul 13 04:31:49 mindpipe kernel: [__crc_totalram_pages+2165815/5353478]
snd_pcm_oss_change_params+0x5a1/0x850 [snd_pcm_oss]
Jul 13 04:31:49 mindpipe kernel: [__crc_totalram_pages+2166620/5353478]
snd_pcm_oss_get_active_substream+0x76/0x90 [snd_pcm_oss]
Jul 13 04:31:49 mindpipe kernel: [__crc_totalram_pages+2170556/5353478]
snd_pcm_oss_get_formats+0x26/0x100 [snd_pcm_oss]
Looks like those memcpys in snd_pcm_format_set_silence() are hurting.
Hmm, but it's not in lock at least...
It is - see chrdev_open().
You can do unlock_kernel()/lock_kernel() in soundcore_open().