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On Wed, Apr 02, 2008 at 08:19:29AM -0400, Miles Lane wrote: > [ 48.765906] [ BUG: bad unlock balance detected! ] > [ 48.765912] ------------------------------------- > [ 48.765918] pulseaudio/4277 is trying to release lock > (&codec->spdif_mutex) at: > [ 48.765930] [<c03031b7>] mutex_unlock+0x8/0xa > [ 48.765945] but there are no more locks to release! > [ 48.765950] > [ 48.765952] other info that might help us debug this: > [ 48.765959] 2 locks held by pulseaudio/4277: > [ 48.765965] #0: (&pcm->open_mutex){--..}, at: [<f89f134b>] > snd_pcm_open+0xc1/0x1ba [snd_pcm] > [ 48.766003] #1: (&chip->open_mutex){--..}, at: [<f8b4f13d>] > azx_pcm_open+0x36/0x184 [snd_hda_intel] > [ 48.766057] > [ 48.766059] stack backtrace: > [ 48.766066] Pid: 4277, comm: pulseaudio Not tainted 2.6.25-rc8-mm1 #12 > [ 48.766086] [<c013afc6>] print_unlock_inbalance_bug+0xce/0xd8 > [ 48.766107] [<c0109e1c>] ? save_stack_trace+0x1d/0x3b > [ 48.766130] [<c012f54e>] ? __kernel_text_address+0x1b/0x27 > [ 48.766146] [<c0104533>] ? dump_trace+0xcd/0xd9 > [ 48.766160] [<c0109d9e>] ? save_stack_address+0x0/0x2c > [ 48.766176] [<c013b80a>] ? find_usage_backwards+0xa4/0xc3 > [ 48.766193] [<c013cfb5>] lock_release_non_nested+0x84/0x120 > [ 48.766209] [<c03031b7>] ? mutex_unlock+0x8/0xa > [ 48.766222] [<c013d1bb>] lock_release+0x16a/0x199 > [ 48.766238] [<c0303137>] __mutex_unlock_slowpath+0xa9/0x121 > [ 48.766252] [<c03031b7>] mutex_unlock+0x8/0xa > [ 48.766263] [<f8b4ffd8>] snd_hda_multi_out_analog_open+0xd3/0xef > [snd_hda_intel] The following patch should fix it. Cc: "Miles Lane" <miles.lane@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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|---|---|---|
| .. | ||
| hda_codec.c | ||
| hda_codec.h | ||
| hda_generic.c | ||
| hda_hwdep.c | ||
| hda_intel.c | ||
| hda_local.h | ||
| hda_patch.h | ||
| hda_proc.c | ||
| Makefile | ||
| patch_analog.c | ||
| patch_atihdmi.c | ||
| patch_cmedia.c | ||
| patch_conexant.c | ||
| patch_realtek.c | ||
| patch_si3054.c | ||
| patch_sigmatel.c | ||
| patch_via.c | ||