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Subject2.6.25-rc8-mm1 -- BUG: bad unlock balance detected!
[   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]
[ 48.766321] [<f8b5d2f4>] stac92xx_playback_pcm_open+0x14/0x19
[snd_hda_intel]
[ 48.766385] [<f8b4f22d>] azx_pcm_open+0x126/0x184 [snd_hda_intel]
[ 48.766446] [<f89f1239>] snd_pcm_open_substream+0x46/0x97 [snd_pcm]
[ 48.766476] [<f89f135c>] snd_pcm_open+0xd2/0x1ba [snd_pcm]
[ 48.766505] [<c011a12b>] ? default_wake_function+0x0/0xd
[ 48.766522] [<f8950079>] ? snd_lookup_minor_data+0x3f/0x46 [snd]
[ 48.766553] [<f89f16b1>] snd_pcm_playback_open+0x23/0x26 [snd_pcm]
[ 48.766581] [<f8950458>] snd_open+0x101/0x190 [snd]
[ 48.766611] [<c017fc27>] chrdev_open+0x156/0x172
[ 48.766628] [<c017c39a>] __dentry_open+0x13a/0x229
[ 48.766646] [<c017c4a8>] nameidata_to_filp+0x1f/0x33
[ 48.766658] [<c017fad1>] ? chrdev_open+0x0/0x172
[ 48.766673] [<c0186b3f>] do_filp_open+0x34a/0x69a
[ 48.766690] [<c0178ca4>] ? __slab_alloc+0xbe/0x547
[ 48.766709] [<c017c151>] ? get_unused_fd_flags+0xbd/0xc7
[ 48.766730] [<c017c151>] ? get_unused_fd_flags+0xbd/0xc7
[ 48.766748] [<c017c19b>] do_sys_open+0x40/0xb6
[ 48.766764] [<c017c23d>] sys_open+0x16/0x18
[ 48.766776] [<c0103444>] sysenter_past_esp+0x6d/0xc5


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