Comment 2 for bug 621278

Same trace as bug #621371

From your http://launchpadlibrarian.net/54070406/OopsText.txt

Call Trace:
 [<c013e642>] __schedule_bug+0x62/0x70
 [<c05c4340>] schedule+0x760/0x7a0
 [<c05c44c2>] _cond_resched+0x32/0x50
 [<c01fac3e>] anon_vma_prepare+0x1e/0x130
 [<c01f62ad>] expand_downwards+0x1d/0x170
 [<c01df709>] ? __alloc_pages_nodemask+0xd9/0x1c0
 [<c01f640d>] expand_stack+0xd/0x10
 [<c01f032b>] do_anonymous_page+0x2fb/0x310
 [<c01f4170>] handle_mm_fault+0x340/0x400
 [<c01f4339>] __get_user_pages+0x109/0x3f0
 [<c01f46c5>] get_user_pages+0x55/0x70
 [<c021d3d2>] get_arg_page+0x52/0xb0
 [<c035996b>] ? strnlen_user+0x2b/0x60
 [<c021d500>] copy_strings+0xd0/0x180
 [<c021d5d9>] copy_strings_kernel+0x29/0x40
 [<c021efba>] do_execve+0x19a/0x2c0
 [<c0359a9a>] ? strncpy_from_user+0x3a/0x70
 [<c0109d97>] sys_execve+0x37/0x70
 [<c010316e>] ptregs_execve+0x12/0x18
 [<c05c6634>] ? syscall_call+0x7/0xb