Miscellany

Call Trace:
 <IRQ>  [<ffffffff802ad31e>] softlockup_tick+0xd5/0xe7
 [<ffffffff8028ac35>] update_process_times+0x42/0x68
 [<ffffffff8026e710>] smp_local_timer_interrupt+0x34/0x55
 [<ffffffff8026ee36>] smp_apic_timer_interrupt+0x43/0x5b
 [<ffffffff80257d56>] apic_timer_interrupt+0x66/0x70
 <EOI>  [<ffffffff8025f8ef>] do_page_fault+0x31d/0x7b5
 [<ffffffff8025f8d1>] do_page_fault+0x2ff/0x7b5
 [<ffffffff8025ddfd>] error_exit+0x0/0x84
 [<ffffffff8022cd46>] __clear_user+0x3f/0x61
 [<ffffffff80279d9c>] padzero+0x1b/0x2b
 [<ffffffff80217229>] load_elf_binary+0x9fd/0x17e7
 [<ffffffff8023c923>] search_binary_handler+0xbb/0x219
 [<ffffffff8023be69>] do_execve+0x18c/0x242
 [<ffffffff8028f7e1>] __call_usermodehelper+0x0/0x5b
 [<ffffffff8024e845>] sys_execve+0x36/0x4c
 [<ffffffff80257fa4>] kernel_execve+0x64/0xd0
 [<ffffffff8028f7e1>] __call_usermodehelper+0x0/0x5b
 [<ffffffff802712e6>] physflat_send_IPI_mask+0x0/0x6a
 [<ffffffff8028fc7e>] ____call_usermodehelper+0x166/0x174
 [<ffffffff80257f38>] child_rip+0xa/0x12
 [<ffffffff8028f7e1>] __call_usermodehelper+0x0/0x5b
 [<ffffffff802712e6>] physflat_send_IPI_mask+0x0/0x6a
 [<ffffffff8028fb18>] ____call_usermodehelper+0x0/0x174
 [<ffffffff80257f2e>] child_rip+0x0/0x12