Comment 2 for bug 621342

You seem to have the same call trace as bug LP#621371

From your CurrentDmesg.txt http://launchpadlibrarian.net/54079090/CurrentDmesg.txt
[ 20.996710] Pid: 1182, comm: cpu-control Not tainted 2.6.35-16-generic #22-Ubuntu
[ 20.996713] Call Trace:
[ 20.996725] [<c013e642>] __schedule_bug+0x62/0x70
[ 20.996732] [<c05c4340>] schedule+0x760/0x7a0
[ 20.996736] [<c05c44c2>] _cond_resched+0x32/0x50
[ 20.996742] [<c01fac3e>] anon_vma_prepare+0x1e/0x130
[ 20.996746] [<c01f62ad>] expand_downwards+0x1d/0x170
[ 20.996752] [<c01df709>] ? __alloc_pages_nodemask+0xd9/0x1c0
[ 20.996757] [<c01f640d>] expand_stack+0xd/0x10
[ 20.996763] [<c01f032b>] do_anonymous_page+0x2fb/0x310
[ 20.996767] [<c01f4170>] handle_mm_fault+0x340/0x400
[ 20.996771] [<c01f4339>] __get_user_pages+0x109/0x3f0
[ 20.996775] [<c01f46c5>] get_user_pages+0x55/0x70
[ 20.996779] [<c021d3d2>] get_arg_page+0x52/0xb0
[ 20.996786] [<c035996b>] ? strnlen_user+0x2b/0x60
[ 20.996790] [<c021d500>] copy_strings+0xd0/0x180
[ 20.996794] [<c021d5d9>] copy_strings_kernel+0x29/0x40
[ 20.996798] [<c021efba>] do_execve+0x19a/0x2c0
[ 20.996802] [<c0359b59>] ? copy_to_user+0x39/0x130
[ 20.996806] [<c0359a9a>] ? strncpy_from_user+0x3a/0x70
[ 20.996812] [<c0109d97>] sys_execve+0x37/0x70
[ 20.996816] [<c010316e>] ptregs_execve+0x12/0x18
[ 20.996820] [<c05c6634>] ? syscall_call+0x7/0xb