Hi!
Right after boot I start seeing these messages to:
[ 44.046458] BUG: sleeping function called from invalid context at /home/lclaudio/SANDBOX/kernel-rt/kernel/locking/rtmutex.c:915
[ 44.046459] in_atomic(): 0, irqs_disabled(): 1, pid: 2515, name: pulseaudio
[ 44.046460] 1 lock held by pulseaudio/2515:
[ 44.046469] #0: (snd_pcm_link_rwlock){......}, at: [<ffffffffa0323c69>] snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 44.046471] CPU: 3 PID: 2515 Comm: pulseaudio Tainted: G W 3.18.7-rt2+ #2
[ 44.046472] Hardware name: Hewlett-Packard p7-1512/2ADA, BIOS 8.15 02/05/2013
[ 44.046474] 0000000000000000 00000000989763cd ffff880189d43cb8 ffffffff8175a165
[ 44.046475] 00000000989763cd 0000000000000000 ffff880189d43cd8 ffffffff810a3be9
[ 44.046476] 0000000000000011 ffffffffa03359c0 ffff880189d43cf8 ffffffff81760a94
[ 44.046477] Call Trace:
[ 44.046481] [<ffffffff8175a165>] dump_stack+0x4f/0x7c
[ 44.046484] [<ffffffff810a3be9>] __might_sleep+0xf9/0x170
[ 44.046486] [<ffffffff81760a94>] __rt_spin_lock+0x24/0x40
[ 44.046489] [<ffffffff817612f7>] rt_read_lock+0x57/0x70
[ 44.046494] [<ffffffffa0323c69>] ? snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 44.046497] [<ffffffffa0323c69>] snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 44.046501] [<ffffffffa0324b06>] snd_pcm_hw_params+0x46/0x3f0 [snd_pcm]
[ 44.046504] [<ffffffff811a700b>] ? memdup_user+0x4b/0x90
[ 44.046508] [<ffffffffa0327327>] snd_pcm_common_ioctl1+0x457/0xe20 [snd_pcm]
[ 44.046511] [<ffffffff810ca49e>] ? put_lock_stats.isra.23+0xe/0x30
[ 44.046513] [<ffffffff810ca7ba>] ? lock_release_holdtime.part.24+0x9a/0x160
[ 44.046517] [<ffffffffa03281db>] snd_pcm_capture_ioctl1+0x1bb/0x2f0 [snd_pcm]
[ 44.046518] [<ffffffff810ca49e>] ? put_lock_stats.isra.23+0xe/0x30
[ 44.046522] [<ffffffffa03283d4>] snd_pcm_capture_ioctl+0x34/0x40 [snd_pcm]
[ 44.046524] [<ffffffff81217a10>] do_vfs_ioctl+0x2f0/0x520
[ 44.046526] [<ffffffff81217cc1>] SyS_ioctl+0x81/0xa0
[ 44.046529] [<ffffffff81761952>] system_call_fastpath+0x12/0x17
[ 45.081114] BUG: sleeping function called from invalid context at /home/lclaudio/SANDBOX/kernel-rt/kernel/locking/rtmutex.c:915
[ 45.081115] in_atomic(): 0, irqs_disabled(): 1, pid: 2515, name: pulseaudio
[ 45.081117] 3 locks held by pulseaudio/2515:
[ 45.081136] #0: (&card->power_lock){......}, at: [<ffffffffa032759d>] snd_pcm_common_ioctl1+0x6cd/0xe20 [snd_pcm]
[ 45.081142] #1: (snd_pcm_link_rwsem){......}, at: [<ffffffff810d2160>] rt_down_read+0x10/0x20
[ 45.081150] #2: (snd_pcm_link_rwlock){......}, at: [<ffffffffa0323c69>] snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 45.081153] CPU: 3 PID: 2515 Comm: pulseaudio Tainted: G W 3.18.7-rt2+ #2
[ 45.081154] Hardware name: Hewlett-Packard p7-1512/2ADA, BIOS 8.15 02/05/2013
[ 45.081157] 0000000000000000 00000000989763cd ffff880189d43bf8 ffffffff8175a165
[ 45.081159] 00000000989763cd 0000000000000000 ffff880189d43c18 ffffffff810a3be9
[ 45.081161] ffff8800bad2aa00 ffffffffa03359c0 ffff880189d43c38 ffffffff81760a94
[ 45.081162] Call Trace:
[ 45.081167] [<ffffffff8175a165>] dump_stack+0x4f/0x7c
[ 45.081170] [<ffffffff810a3be9>] __might_sleep+0xf9/0x170
[ 45.081174] [<ffffffff81760a94>] __rt_spin_lock+0x24/0x40
[ 45.081179] [<ffffffff817612f7>] rt_read_lock+0x57/0x70
[ 45.081185] [<ffffffffa0323c69>] ? snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 45.081190] [<ffffffffa0482a7b>] ? azx_pcm_prepare+0x2db/0x530 [snd_hda_controller]
[ 45.081196] [<ffffffffa0323c69>] snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 45.081202] [<ffffffffa0323cf4>] _snd_pcm_stream_lock_irqsave+0x24/0x30 [snd_pcm]
[ 45.081209] [<ffffffffa032d33c>] snd_pcm_lib_ioctl+0x10c/0x270 [snd_pcm]
[ 45.081214] [<ffffffffa0322393>] snd_pcm_do_reset+0x23/0x70 [snd_pcm]
[ 45.081220] [<ffffffffa0323c39>] snd_pcm_do_prepare+0x29/0x30 [snd_pcm]
[ 45.081226] [<ffffffffa03237df>] snd_pcm_action_single+0x2f/0x70 [snd_pcm]
[ 45.081229] [<ffffffff810d2160>] ? rt_down_read+0x10/0x20
[ 45.081236] [<ffffffffa0323a16>] snd_pcm_action_nonatomic+0x76/0x80 [snd_pcm]
[ 45.081242] [<ffffffffa03275c3>] snd_pcm_common_ioctl1+0x6f3/0xe20 [snd_pcm]
[ 45.081245] [<ffffffff810ca49e>] ? put_lock_stats.isra.23+0xe/0x30
[ 45.081247] [<ffffffff810ca7ba>] ? lock_release_holdtime.part.24+0x9a/0x160
[ 45.081253] [<ffffffffa0327eb3>] snd_pcm_playback_ioctl1+0x1c3/0x2f0 [snd_pcm]
[ 45.081255] [<ffffffff810ca49e>] ? put_lock_stats.isra.23+0xe/0x30
[ 45.081262] [<ffffffffa0328014>] snd_pcm_playback_ioctl+0x34/0x40 [snd_pcm]
[ 45.081265] [<ffffffff81217a10>] do_vfs_ioctl+0x2f0/0x520
[ 45.081268] [<ffffffff81217cc1>] SyS_ioctl+0x81/0xa0
[ 46.193615] BUG: sleeping function called from invalid context at /home/lclaudio/SANDBOX/kernel-rt/kernel/locking/rtmutex.c:915
[ 46.193616] in_atomic(): 0, irqs_disabled(): 1, pid: 2523, name: alsa-sink-92HD7
[ 46.193617] 1 lock held by alsa-sink-92HD7/2523:
[ 46.193631] #0: (snd_pcm_link_rwlock){......}, at: [<ffffffffa0323c69>] snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 46.193633] CPU: 1 PID: 2523 Comm: alsa-sink-92HD7 Tainted: G W 3.18.7-rt2+ #2
[ 46.193633] Hardware name: Hewlett-Packard p7-1512/2ADA, BIOS 8.15 02/05/2013
[ 46.193635] 0000000000000000 00000000ec9c958e ffff88018a723a08 ffffffff8175a165
[ 46.193636] 00000000ec9c958e 0000000000000000 ffff88018a723a28 ffffffff810a3be9
[ 46.193637] ffff88018a723b5c ffffffffa03359c0 ffff88018a723a48 ffffffff81760a94
[ 46.193637] Call Trace:
[ 46.193642] [<ffffffff8175a165>] dump_stack+0x4f/0x7c
[ 46.193644] [<ffffffff810a3be9>] __might_sleep+0xf9/0x170
[ 46.193647] [<ffffffff81760a94>] __rt_spin_lock+0x24/0x40
[ 46.193651] [<ffffffff817612f7>] rt_read_lock+0x57/0x70
[ 46.193655] [<ffffffffa0323c69>] ? snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 46.193657] [<ffffffff81223568>] ? __fget+0xb8/0x100
[ 46.193659] [<ffffffff812234b5>] ? __fget+0x5/0x100
[ 46.193662] [<ffffffffa0323c69>] snd_pcm_stream_lock+0x29/0x70 [snd_pcm]
[ 46.193666] [<ffffffffa032484d>] snd_pcm_playback_poll+0x5d/0x120 [snd_pcm]
[ 46.193668] [<ffffffff81219d42>] do_sys_poll+0x352/0x5d0
[ 46.193670] [<ffffffff810a9d21>] ? get_parent_ip+0x11/0x50
[ 46.193675] [<ffffffffa032cf59>] ? snd_pcm_update_hw_ptr0+0x7c9/0x9a0 [snd_pcm]
[ 46.193677] [<ffffffff813a9e87>] ? debug_smp_processor_id+0x17/0x20
[ 46.193678] [<ffffffff810ca297>] ? get_lock_stats+0x27/0x60
[ 46.193679] [<ffffffff810ca49e>] ? put_lock_stats.isra.23+0xe/0x30
[ 46.193681] [<ffffffff810b0155>] ? local_clock+0x25/0x30
[ 46.193682] [<ffffffff810cc6a3>] ? __lock_acquire.isra.32+0x2e3/0xdc0
[ 46.193684] [<ffffffff810cc6a3>] ? __lock_acquire.isra.32+0x2e3/0xdc0
[ 46.193685] [<ffffffff8175e580>] ? __rt_spin_lock_slowunlock+0x60/0x70
[ 46.193687] [<ffffffff81218790>] ? poll_select_copy_remaining+0x160/0x160
[ 46.193688] [<ffffffff81218790>] ? poll_select_copy_remaining+0x160/0x160
[ 46.193690] [<ffffffff81218790>] ? poll_select_copy_remaining+0x160/0x160
[ 46.193691] [<ffffffff81218790>] ? poll_select_copy_remaining+0x160/0x160
[ 46.193693] [<ffffffff810b0155>] ? local_clock+0x25/0x30
[ 46.193694] [<ffffffff810cc6a3>] ? __lock_acquire.isra.32+0x2e3/0xdc0
[ 46.193695] [<ffffffff810cc6a3>] ? __lock_acquire.isra.32+0x2e3/0xdc0
[ 46.193696] [<ffffffff810a9d21>] ? get_parent_ip+0x11/0x50
[ 46.193697] [<ffffffff81218a53>] ? poll_select_set_timeout+0x53/0x80
[ 46.193698] [<ffffffff813a9e87>] ? debug_smp_processor_id+0x17/0x20
[ 46.193699] [<ffffffff810ca297>] ? get_lock_stats+0x27/0x60
[ 46.193700] [<ffffffff810ca49e>] ? put_lock_stats.isra.23+0xe/0x30
[ 46.193701] [<ffffffff810ca7ba>] ? lock_release_holdtime.part.24+0x9a/0x160
[ 46.193704] [<ffffffff810fca8b>] ? ktime_get_ts64+0x8b/0x150
[ 46.193705] [<ffffffff81218a53>] ? poll_select_set_timeout+0x53/0x80
[ 46.193707] [<ffffffff8121a317>] SyS_ppoll+0x1a7/0x1d0
[ 46.193709] [<ffffffff81761952>] system_call_fastpath+0x12/0x17
>From sound/core/pcm_native.c:
static DEFINE_RWLOCK(snd_pcm_link_rwlock);
read_lock(&snd_pcm_link_rwlock);
Cheers
Luis
--
[ Luis Claudio R. Goncalves Bass - Gospel - RT ]
[ Fingerprint: 4FDD B8C4 3C59 34BD 8BE9 2696 7203 D980 A448 C8F8 ]
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