On Sat, Jul 10, 2010 at 05:37:56PM +0800, Xiao Guangrong wrote: > Fix: > general protection fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > ...... > Call Trace: > [<ffffffffa0159bd1>] ? kvm_set_irq+0xdd/0x24b [kvm] > [<ffffffff8106ea8b>] ? trace_hardirqs_off_caller+0x1f/0x10e > [<ffffffff813ad17f>] ? sub_preempt_count+0xe/0xb6 > [<ffffffff8106d273>] ? put_lock_stats+0xe/0x27 > [<ffffffff8106e94b>] ? lock_release_holdtime+0x104/0x109 > [<ffffffff813ad214>] ? sub_preempt_count+0xa3/0xb6 > [<ffffffffa017cdae>] pit_do_work+0x69/0xc8 [kvm] > [<ffffffff8105a441>] worker_thread+0x28e/0x3b0 > [<ffffffff8105a3e5>] ? worker_thread+0x232/0x3b0 > [<ffffffffa017cd45>] ? pit_do_work+0x0/0xc8 [kvm] > [<ffffffff8105eafe>] ? autoremove_wake_function+0x0/0x39 > [<ffffffff8105a1b3>] ? worker_thread+0x0/0x3b0 > [<ffffffff8105e571>] kthread+0x7f/0x87 > [<ffffffff810039d4>] kernel_thread_helper+0x4/0x10 > [<ffffffff81036370>] ? finish_task_switch+0x70/0xe4 > [<ffffffff813a9e89>] ? _raw_spin_unlock_irq+0x3b/0x58 > [<ffffffff813aa400>] ? restore_args+0x0/0x30 > [<ffffffff8105e4f2>] ? kthread+0x0/0x87 > [<ffffffff810039d0>] ? kernel_thread_helper+0x0/0x10 > Code: 24 e8 26 00 00 45 31 ed 3b 98 28 01 00 00 73 39 89 db 48 8d 95 40 ff ff ff 48 8b 84 d8 30 01 00 00 bb 0c 00 00 00 48 85 c0 74 > 1e <48> 8b 08 48 8d 70 e0 48 89 d7 41 ff c5 48 83 c2 30 0f 18 09 48 > RIP [<ffffffffa0159c72>] kvm_set_irq+0x17e/0x24b [kvm] > > This bug is triggered when guest is shutdown, is because we freed > irq_routing before pit thread stopped > > Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html