** Attachment added: AcpiTables.txt
https://bugs.launchpad.net/bugs/621290/+attachment/1504954/+files/AcpiTables.txt
** Attachment added: AlsaDevices.txt
https://bugs.launchpad.net/bugs/621290/+attachment/1504955/+files/AlsaDevices.txt
** Attachment added: BootDmesg.txt
*** This bug is a duplicate of bug 621371 ***
https://bugs.launchpad.net/bugs/621371
Same trace as bug #621371
From your http://launchpadlibrarian.net/54071559/OopsText.txt
Call Trace:
[c013e642] __schedule_bug+0x62/0x70
[c05c4340] schedule+0x760/0x7a0
[c05c44c2] _cond_resched+0x32/0x50