On Wednesday, November 26, 2008 8:43 PM [EMAIL PROTECTED] wrote: > Xu, Jiajun wrote: >> The call trace messages in guest: >> ################### >> Kernel BUG at block/elevator.c:560 >> invalid opcode: 0000 [1] SMP >> last sysfs file: /block/hda/removable >> > > This suggests something happened to /dev/hda. Could be a timeout or > something. Are there any messages in the log before the BUG?
There are two parts call traces: First, when I do live migration, on the original guest there are some call trace: ################ BUG: soft lockup detected on CPU#0! Call Trace: <IRQ> [<ffffffff800b50fa>] softlockup_tick+0xd5/0xe7 [<ffffffff800930e2>] update_process_times+0x42/0x68 [<ffffffff800746e3>] smp_local_timer_interrupt+0x23/0x47 [<ffffffff80074da5>] smp_apic_timer_interrupt+0x41/0x47 [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff80011ca9>] __do_softirq+0x53/0xd5 [<ffffffff8005c2fc>] call_softirq+0x1c/0x28 [<ffffffff8006a53a>] do_softirq+0x2c/0x85 [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c <EOI> [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff800076ba>] ide_outb+0x8/0x9 [<ffffffff8000eac7>] ide_do_request+0x408/0x787 [<ffffffff80134f37>] elv_insert+0xd6/0x1f7 [<ffffffff8003f5af>] ide_do_drive_cmd+0xc8/0x11e [<ffffffff8005857f>] ide_outsw+0x0/0x9 [<ffffffff8811f198>] :ide_cd:cdrom_queue_packet_command+0x46/0xe2 [<ffffffff80058587>] ide_outsw+0x8/0x9 [<ffffffff801c127a>] ide_init_drive_cmd+0x10/0x24 [<ffffffff8811f462>] :ide_cd:cdrom_check_status+0x62/0x71 [<ffffffff801360b5>] blk_end_sync_rq+0x0/0x2e [<ffffffff8811f48d>] :ide_cd:ide_cdrom_check_media_change_real+0x1c/0x37 [<ffffffff8810d076>] :cdrom:media_changed+0x44/0x74 [<ffffffff800d9b83>] check_disk_change+0x1f/0x76 [<ffffffff88111399>] :cdrom:cdrom_open+0x92c/0x979 [<ffffffff8000c9c9>] do_lookup+0x65/0x1c3 [<ffffffff8000cec4>] dput+0x2c/0x114 [<ffffffff8000a2e0>] __link_path_walk+0xdf8/0xf42 [<ffffffff8002c86b>] mntput_no_expire+0x19/0x89 [<ffffffff8000e630>] link_path_walk+0xd3/0xe5 [<ffffffff80061c7e>] do_nanosleep+0x47/0x70 [<ffffffff800560a3>] kobject_get+0x12/0x17 [<ffffffff80138bbd>] get_disk+0x3f/0x81 [<ffffffff80058ef8>] exact_lock+0xc/0x14 [<ffffffff801ad98f>] kobj_lookup+0x132/0x19b [<ffffffff8811fe4b>] :ide_cd:idecd_open+0x9f/0xd1 [<ffffffff800da1bc>] do_open+0xa2/0x30f [<ffffffff80011d83>] may_open+0x58/0x21e [<ffffffff800da67d>] blkdev_open+0x0/0x4f [<ffffffff800da6a0>] blkdev_open+0x23/0x4f [<ffffffff8001e0f4>] __dentry_open+0xd9/0x1dc [<ffffffff800270dc>] do_filp_open+0x2a/0x38 [<ffffffff80061c7e>] do_nanosleep+0x47/0x70 [<ffffffff80019523>] do_sys_open+0x44/0xbe [<ffffffff8005b28d>] tracesys+0xd5/0xe0 BUG: soft lockup detected on CPU#0! Call Trace: <IRQ> [<ffffffff800b50fa>] softlockup_tick+0xd5/0xe7 [<ffffffff800930e2>] update_process_times+0x42/0x68 [<ffffffff800746e3>] smp_local_timer_interrupt+0x23/0x47 [<ffffffff80074da5>] smp_apic_timer_interrupt+0x41/0x47 [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff80010792>] handle_IRQ_event+0x1b/0x58 [<ffffffff800b5482>] __do_IRQ+0xa4/0x105 [<ffffffff8006a3bd>] do_IRQ+0xe7/0xf5 [<ffffffff8005b615>] ret_from_intr+0x0/0xa [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff80011ca9>] __do_softirq+0x53/0xd5 [<ffffffff8005c2fc>] call_softirq+0x1c/0x28 [<ffffffff8006a53a>] do_softirq+0x2c/0x85 [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c <EOI> [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff800076ba>] ide_outb+0x8/0x9 [<ffffffff8000eac7>] ide_do_request+0x408/0x787 [<ffffffff80134f37>] elv_insert+0xd6/0x1f7 [<ffffffff8003f5af>] ide_do_drive_cmd+0xc8/0x11e [<ffffffff8005857f>] ide_outsw+0x0/0x9 [<ffffffff8811f198>] :ide_cd:cdrom_queue_packet_command+0x46/0xe2 [<ffffffff80058587>] ide_outsw+0x8/0x9 [<ffffffff801c127a>] ide_init_drive_cmd+0x10/0x24 [<ffffffff8811f462>] :ide_cd:cdrom_check_status+0x62/0x71 [<ffffffff801360b5>] blk_end_sync_rq+0x0/0x2e [<ffffffff8811f48d>] :ide_cd:ide_cdrom_check_media_change_real+0x1c/0x37 [<ffffffff8810d076>] :cdrom:media_changed+0x44/0x74 [<ffffffff800d9b83>] check_disk_change+0x1f/0x76 [<ffffffff88111399>] :cdrom:cdrom_open+0x92c/0x979 [<ffffffff8000c9c9>] do_lookup+0x65/0x1c3 [<ffffffff8000cec4>] dput+0x2c/0x114 [<ffffffff8000a2e0>] __link_path_walk+0xdf8/0xf42 [<ffffffff8002c86b>] mntput_no_expire+0x19/0x89 [<ffffffff8000e630>] link_path_walk+0xd3/0xe5 [<ffffffff80061c7e>] do_nanosleep+0x47/0x70 [<ffffffff800560a3>] kobject_get+0x12/0x17 [<ffffffff80138bbd>] get_disk+0x3f/0x81 [<ffffffff80058ef8>] exact_lock+0xc/0x14 [<ffffffff801ad98f>] kobj_lookup+0x132/0x19b [<ffffffff8811fe4b>] :ide_cd:idecd_open+0x9f/0xd1 [<ffffffff800da1bc>] do_open+0xa2/0x30f [<ffffffff80011d83>] may_open+0x58/0x21e [<ffffffff800da67d>] blkdev_open+0x0/0x4f [<ffffffff800da6a0>] blkdev_open+0x23/0x4f [<ffffffff8001e0f4>] __dentry_open+0xd9/0x1dc [<ffffffff800270dc>] do_filp_open+0x2a/0x38 [<ffffffff80061c7e>] do_nanosleep+0x47/0x70 [<ffffffff80019523>] do_sys_open+0x44/0xbe [<ffffffff8005b28d>] tracesys+0xd5/0xe0 BUG: soft lockup detected on CPU#0! Call Trace: <IRQ> [<ffffffff800b50fa>] softlockup_tick+0xd5/0xe7 [<ffffffff800930e2>] update_process_times+0x42/0x68 [<ffffffff800746e3>] smp_local_timer_interrupt+0x23/0x47 [<ffffffff80074da5>] smp_apic_timer_interrupt+0x41/0x47 [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff80010792>] handle_IRQ_event+0x1b/0x58 [<ffffffff800b5482>] __do_IRQ+0xa4/0x105 [<ffffffff8006a3bd>] do_IRQ+0xe7/0xf5 [<ffffffff8005b615>] ret_from_intr+0x0/0xa [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff80011ca9>] __do_softirq+0x53/0xd5 [<ffffffff8005c2fc>] call_softirq+0x1c/0x28 [<ffffffff8006a53a>] do_softirq+0x2c/0x85 [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c <EOI> [<ffffffff800076b2>] ide_outb+0x0/0x9 [<ffffffff800076ba>] ide_outb+0x8/0x9 [<ffffffff8000eac7>] ide_do_request+0x408/0x787 [<ffffffff80134f37>] elv_insert+0xd6/0x1f7 [<ffffffff8003f5af>] ide_do_drive_cmd+0xc8/0x11e [<ffffffff8005857f>] ide_outsw+0x0/0x9 [<ffffffff8811f198>] :ide_cd:cdrom_queue_packet_command+0x46/0xe2 [<ffffffff80058587>] ide_outsw+0x8/0x9 [<ffffffff801c127a>] ide_init_drive_cmd+0x10/0x24 [<ffffffff8811f462>] :ide_cd:cdrom_check_status+0x62/0x71 [<ffffffff801360b5>] blk_end_sync_rq+0x0/0x2e [<ffffffff8811f48d>] :ide_cd:ide_cdrom_check_media_change_real+0x1c/0x37 [<ffffffff8810d076>] :cdrom:media_changed+0x44/0x74 [<ffffffff800d9b83>] check_disk_change+0x1f/0x76 [<ffffffff88111399>] :cdrom:cdrom_open+0x92c/0x979 [<ffffffff8000c9c9>] do_lookup+0x65/0x1c3 [<ffffffff8000cec4>] dput+0x2c/0x114 [<ffffffff8000a2e0>] __link_path_walk+0xdf8/0xf42 [<ffffffff8002c86b>] mntput_no_expire+0x19/0x89 [<ffffffff8000e630>] link_path_walk+0xd3/0xe5 [<ffffffff80061c7e>] do_nanosleep+0x47/0x70 [<ffffffff800560a3>] kobject_get+0x12/0x17 [<ffffffff80138bbd>] get_disk+0x3f/0x81 [<ffffffff80058ef8>] exact_lock+0xc/0x14 [<ffffffff801ad98f>] kobj_lookup+0x132/0x19b [<ffffffff8811fe4b>] :ide_cd:idecd_open+0x9f/0xd1 [<ffffffff800da1bc>] do_open+0xa2/0x30f [<ffffffff80011d83>] may_open+0x58/0x21e [<ffffffff800da67d>] blkdev_open+0x0/0x4f [<ffffffff800da6a0>] blkdev_open+0x23/0x4f [<ffffffff8001e0f4>] __dentry_open+0xd9/0x1dc [<ffffffff800270dc>] do_filp_open+0x2a/0x38 [<ffffffff80061c7e>] do_nanosleep+0x47/0x70 [<ffffffff80019523>] do_sys_open+0x44/0xbe [<ffffffff8005b28d>] tracesys+0xd5/0xe0 ############# Then, the destination guest shows call trace same as I sent in previous email. Best Regards Jiajun-- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
