Comment 12 for bug 1007002

Ubuntu Natty (11.04) with linux-image-2.6.38-15-generic

[ 91.662162] ------------[ cut here ]------------
[ 91.662169] kernel BUG at /build/buildd/linux-2.6.38/arch/x86/xen/spinlock.c:344!
[ 91.662173] invalid opcode: 0000 [#1] SMP
[ 91.662178] last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map
[ 91.662182] CPU 1
[ 91.662184] Modules linked in: lp parport
[ 91.662190]
[ 91.662193] Pid: 7, comm: migration/1 Not tainted 2.6.38-15-generic #64-Ubuntu
[ 91.662200] RIP: e030:[<ffffffff81009964>] [<ffffffff81009964>] dummy_handler+0x4/0x10
[ 91.662209] RSP: e02b:ffff88001ffa0ea8 EFLAGS: 00010046
[ 91.662212] RAX: ffff88001ffa8060 RBX: ffff88001e9a8300 RCX: 0000000000000001
[ 91.662216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000128
[ 91.662219] RBP: ffff88001ffa0ea8 R08: ffff88001e824b00 R09: ffff88001e4005c8
[ 91.662223] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000128
[ 91.662226] R13: 0000000000000128 R14: 0000000000000000 R15: ffff88001ffa8060
[ 91.662234] FS: 00007f10fd122740(0000) GS:ffff88001ff9d000(0000) knlGS:0000000000000000
[ 91.662237] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 91.662241] CR2: 00007f10fd129000 CR3: 0000000003938000 CR4: 0000000000002660
[ 91.662244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 91.662248] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 91.662252] Process migration/1 (pid: 7, threadinfo ffff88001e9a6000, task ffff88001e99db80)
[ 91.662255] Stack:
[ 91.662257] ffff88001ffa0ef8 ffffffff810d3ba4 000000000000000a 0000000000000200
[ 91.662264] ffff88001ffa0ee8 ffff88001e824b00 0000000000000128 0000000000000200
[ 91.662271] 0000000000000001 ffff88001ffa8060 ffff88001ffa0f18 ffffffff810d6783
[ 91.662278] Call Trace:
[ 91.662281] <IRQ>
[ 91.662287] [<ffffffff810d3ba4>] handle_IRQ_event+0x54/0x180
[ 91.662292] [<ffffffff810d6783>] handle_percpu_irq+0x43/0x80
[ 91.662297] [<ffffffff8137249f>] __xen_evtchn_do_upcall+0x19f/0x1c0
[ 91.662303] [<ffffffff810bb740>] ? stop_machine_cpu_stop+0x0/0xe0
[ 91.662327] [<ffffffff813745bf>] xen_evtchn_do_upcall+0x2f/0x50
[ 91.662332] [<ffffffff8100cf6e>] xen_do_hypervisor_callback+0x1e/0x30
[ 91.662335] <EOI>
[ 91.662339] [<ffffffff810bb740>] ? stop_machine_cpu_stop+0x0/0xe0
[ 91.662346] [<ffffffff8100122a>] ? hypercall_page+0x22a/0x1000
[ 91.662350] [<ffffffff8100122a>] ? hypercall_page+0x22a/0x1000
[ 91.662355] [<ffffffff810077ed>] ? xen_force_evtchn_callback+0xd/0x10
[ 91.662360] [<ffffffff81007ee2>] ? check_events+0x12/0x20
[ 91.662364] [<ffffffff81007e89>] ? xen_irq_enable_direct_end+0x0/0x7
[ 91.662369] [<ffffffff810bb7e7>] ? stop_machine_cpu_stop+0xa7/0xe0
[ 91.662373] [<ffffffff810bb9a8>] ? cpu_stopper_thread+0xe8/0x1b0
[ 91.662379] [<ffffffff81055eaa>] ? finish_task_switch+0x4a/0xe0
[ 91.662385] [<ffffffff815c79ec>] ? schedule+0x3ec/0x760
[ 91.662390] [<ffffffff810bb8c0>] ? cpu_stopper_thread+0x0/0x1b0
[ 91.662395] [<ffffffff81087996>] ? kthread+0x96/0xa0
[ 91.662400] [<ffffffff8100ce24>] ? kernel_thread_helper+0x4/0x10
[ 91.662405] [<ffffffff8100c223>] ? int_ret_from_sys_call+0x7/0x1b
[ 91.662410] [<ffffffff815ca6a1>] ? retint_restore_args+0x5/0x6
[ 91.662414] [<ffffffff8100ce20>] ? kernel_thread_helper+0x0/0x10
[ 91.662417] Code: 8b 65 f0 4c 8b 6d f8 c9 c3 31 f6 4d 85 ed 48 89 df 40 0f 95 c6 e8 9d fe ff ff 85 c0 75 dd eb be 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 83 ec 10 48
[ 91.662495] RIP [<ffffffff81009964>] dummy_handler+0x4/0x10
[ 91.662503] RSP <ffff88001ffa0ea8>
[ 91.662511] ---[ end trace cccafaaed47039b3 ]---
[ 91.662516] ------------[ cut here ]------------
[ 91.662520] kernel BUG at /build/buildd/linux-2.6.38/arch/x86/xen/spinlock.c:344!
[ 91.662523] invalid opcode: 0000 [#2] SMP
[ 91.662526] last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map
[ 91.662529] CPU 0
[ 91.662530] Modules linked in: lp parport
[ 91.662534]
[ 91.662536] Pid: 6, comm: migration/0 Tainted: G D 2.6.38-15-generic #64-Ubuntu
[ 91.662540] RIP: e030:[<ffffffff81009964>] [<ffffffff81009964>] dummy_handler+0x4/0x10
[ 91.662547] RSP: e02b:ffff88001ff84ea8 EFLAGS: 00010046
[ 91.662549] RAX: ffff88001ff8c060 RBX: ffff88001e805880 RCX: 0000000000000000
[ 91.662552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000012e
[ 91.662554] RBP: ffff88001ff84ea8 R08: ffff88001e824500 R09: ffff88001e4005f8
[ 91.662557] R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000012e
[ 91.662560] R13: 000000000000012e R14: 0000000000000000 R15: ffff88001ff8c060
[ 91.662566] FS: 00007fba3fc44720(0000) GS:ffff88001ff81000(0000) knlGS:0000000000000000
[ 91.662569] Kernel panic - not syncing: Fatal exception in interrupt
[ 91.662572] Pid: 7, comm: migration/1 Tainted: G D 2.6.38-15-generic #64-Ubuntu
[ 91.662574] Call Trace:
[ 91.662576] <IRQ> [<ffffffff815c731a>] ? panic+0x91/0x19c
[ 91.662583] [<ffffffff81007ee2>] ? check_events+0x12/0x20
[ 91.662587] [<ffffffff815cb60a>] ? oops_end+0xea/0xf0
[ 91.662591] [<ffffffff810100eb>] ? die+0x5b/0x90
[ 91.662594] [<ffffffff815cacb4>] ? do_trap+0xc4/0x170
[ 91.662598] [<ffffffff8100d3d5>] ? do_invalid_op+0x95/0xb0
[ 91.662602] [<ffffffff81009964>] ? dummy_handler+0x4/0x10
[ 91.662606] [<ffffffff810077ed>] ? xen_force_evtchn_callback+0xd/0x10
[ 91.662609] [<ffffffff81007ee2>] ? check_events+0x12/0x20
[ 91.662613] [<ffffffff8100cc9b>] ? invalid_op+0x1b/0x20
[ 91.662616] [<ffffffff81009964>] ? dummy_handler+0x4/0x10
[ 91.662620] [<ffffffff810d793e>] ? move_masked_irq+0x1e/0xe0
[ 91.662624] [<ffffffff810d3ba4>] ? handle_IRQ_event+0x54/0x180
[ 91.662628] [<ffffffff810d6783>] ? handle_percpu_irq+0x43/0x80
[ 91.662631] [<ffffffff8137249f>] ? __xen_evtchn_do_upcall+0x19f/0x1c0
[ 91.662635] [<ffffffff810bb740>] ? stop_machine_cpu_stop+0x0/0xe0
[ 91.662639] [<ffffffff813745bf>] ? xen_evtchn_do_upcall+0x2f/0x50
[ 91.662643] [<ffffffff8100cf6e>] ? xen_do_hypervisor_callback+0x1e/0x30
[ 91.662646] <EOI> [<ffffffff810bb740>] ? stop_machine_cpu_stop+0x0/0xe0
[ 91.662652] [<ffffffff8100122a>] ? hypercall_page+0x22a/0x1000
[ 91.662656] [<ffffffff8100122a>] ? hypercall_page+0x22a/0x1000
[ 91.662660] [<ffffffff810077ed>] ? xen_force_evtchn_callback+0xd/0x10
[ 91.662663] [<ffffffff81007ee2>] ? check_events+0x12/0x20
[ 91.662667] [<ffffffff81007e89>] ? xen_irq_enable_direct_

(truncated by machine died).