On Wed, 2012-07-18 at 18:39 -0400, Steven Rostedt wrote: > Please test the patches too. Your hotplug stress test script made x3550 M3 box fall over. It took a bit, but down she went. 64 core test box fell over quickly, but that's very far from virgin source.. seems to be the same though. [ 255.016043] CPU 1 MCA<0>Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 7 Pid: 9914, comm: migration/7 Not tainted 3.0.36-rt57 #49 Call Trace: <NMI> [<ffffffff814a0f7b>] panic+0x9b/0x1b0 [<ffffffff810b0627>] watchdog_overflow_callback+0xd7/0xe0 [<ffffffff810c3dad>] __perf_event_overflow+0x9d/0x240 [<ffffffff810c066b>] ? perf_event_update_userpage+0x9b/0xe0 [<ffffffff810c41a4>] perf_event_overflow+0x14/0x20 [<ffffffff81015707>] intel_pmu_handle_irq+0x177/0x230 [<ffffffff814a5549>] perf_event_nmi_handler+0x39/0xc0 [<ffffffff814a727d>] notifier_call_chain+0x4d/0x70 [<ffffffff814a72e3>] __atomic_notifier_call_chain+0x43/0x60 [<ffffffff814a7311>] atomic_notifier_call_chain+0x11/0x20 [<ffffffff814a734e>] notify_die+0x2e/0x30 [<ffffffff814a4699>] default_do_nmi+0x39/0x200 [<ffffffff814a4a48>] do_nmi+0x78/0x80 [<ffffffff814a44d0>] nmi+0x20/0x30 [<ffffffff810a461a>] ? stop_machine_cpu_stop+0x6a/0xe0 <<EOE>> [<ffffffff810a47f4>] cpu_stopper_thread+0xf4/0x1d0 [<ffffffff810a45b0>] ? wait_for_stop_done+0xa0/0xa0 [<ffffffff814a1397>] ? __schedule+0x2c7/0x630 [<ffffffff810a4700>] ? cpu_stop_queue_work+0x70/0x70 [<ffffffff810a4700>] ? cpu_stop_queue_work+0x70/0x70 [<ffffffff810702c6>] kthread+0xa6/0xb0 [<ffffffff81056328>] ? do_exit+0x278/0x450 [<ffffffff810016b2>] ? __switch_to+0xf2/0x370 [<ffffffff81040f15>] ? finish_task_switch+0x55/0xd0 [<ffffffff814aa6e4>] kernel_thread_helper+0x4/0x10 [<ffffffff81070220>] ? __init_kthread_worker+0x50/0x50 [<ffffffff814aa6e0>] ? gs_change+0x13/0x13 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
