Copied from the screen, so minimal.
Note: nmi_watchdog=1
timer_interrupt+0x1a3/0x3f0
do_softirq+0xa1/0xb0
do_IRQ+0x23f/0x380
do_nmi+0x4f/0x60
common_interrupt+0x18/0x20
open_namei+0x5b/0x650
check_poison_obj+0x3b/0x1a0
filp_open+0x41/0x70
getname+0x8a/0xc0
sys_open+0x53/0x90
syscall_call+0x7/0xb
code: 89 50 04 89 02 c7 ...
timer.c:312: spin_lock already locked by kernel/timer.c/406