From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andoru <andoru.blah@gmail.com>
Subject: Re:
	=?utf-8?q?Invalid_PCM_pointer_with_CMI8738_and_pcm?=
	=?utf-8?q?=2Ec_buffer=09underuns?=
Date: Sat, 12 Apr 2014 23:38:22 +0000 (UTC)
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Okay, nevermind, the OS froze as I've tried to change the level on the PCM
channel, so I rebooted and tried to look for anything that might have left a
trace for what has happened, and I think I found what you were looking for:
http://pastebin.com/YfP61KBk

It was under /var/log/messages.0 (same things also under /var/log/syslog for
some weird reason)
I haven't been able to see what caused the freezing.

Also found this, not sure if it's useful:
_______________________________________________________________________
Apr 12 23:30:50 flying-topsoil kernel: [18087.771787]  [<c12b3777>] ?
dump_stack+0xa/0x13
Apr 12 23:30:50 flying-topsoil kernel: [18087.771813]  [<f819d839>] ?
xrun+0x9a/0xb2 [snd_pcm]
Apr 12 23:30:50 flying-topsoil kernel: [18087.771824]  [<c104e65d>] ?
ktime_get_ts+0x30/0x77
Apr 12 23:30:50 flying-topsoil kernel: [18087.771838]  [<f819e43c>] ?
snd_pcm_update_hw_ptr0+0x91/0x744 [snd_pcm]
Apr 12 23:30:50 flying-topsoil kernel: [18087.771847]  [<c103bca3>] ?
hrtimer_start_range_ns+0x20/0x25
Apr 12 23:30:50 flying-topsoil kernel: [18087.771853]  [<c103b9c2>] ?
hrtimer_try_to_cancel+0x4a/0x51
Apr 12 23:30:50 flying-topsoil kernel: [18087.771864]  [<f8198cbb>] ?
snd_pcm_hwsync+0x30/0x46 [snd_pcm]
Apr 12 23:30:50 flying-topsoil kernel: [18087.771874]  [<f819ab7b>] ?
snd_pcm_common_ioctl1+0x5c/0xa0f [snd_pcm]
_______________________________________________________________________