Avi Kivity wrote: > > Please set up serial console for the guest and any post any detailed > messages printed there (e.g. a stacktrace). > This is what I got on the new host: [ 677.532010] BUG: soft lockup - CPU#0 stuck for 61s! [ntpd:1665] [ 677.532010] Modules linked in: loop serio_raw snd_pcsp psmouse virtio_balloon snd_pcm snd_timer snd soundcore snd_page_alloc evdev i2c_piix4 i2c_core button processor reiserfs ide_cd_mod cdrom ata_generic libata scsi_mod ide_pci_generic virtio_blk virtio_net piix uhci_hcd floppy ide_core ehci_hcd virtio_pci virtio_ring virtio thermal fan thermal_sys [last unloaded: scsi_wait_scan] [ 677.532010] CPU 0: [ 677.532010] Modules linked in: loop serio_raw snd_pcsp psmouse virtio_balloon snd_pcm snd_timer snd soundcore snd_page_alloc evdev i2c_piix4 i2c_core button processor reiserfs ide_cd_mod cdrom ata_generic libata scsi_mod ide_pci_generic virtio_blk virtio_net piix uhci_hcd floppy ide_core ehci_hcd virtio_pci virtio_ring virtio thermal fan thermal_sys [last unloaded: scsi_wait_scan] [ 677.532010] Pid: 1665, comm: ntpd Not tainted 2.6.30-2-amd64 #1 [ 677.532010] RIP: 0010:[<ffffffff8022726e>] [<ffffffff8022726e>] kvm_deferred_mmu_op+0x57/0xd2 [ 677.532010] RSP: 0018:ffff88003d40dc68 EFLAGS: 00000293 [ 677.532010] RAX: 0000000000000000 RBX: 0000000000000016 RCX: 000000003d40dcaa [ 677.532010] RDX: 0000000000000000 RSI: 0000000000000018 RDI: ffff88003d40dcaa [ 677.532010] RBP: ffffffff802105ce R08: 0000000000000080 R09: ffffe20000d2b2b8 [ 677.532010] R10: 0000000000039d69 R11: 0000000000000001 R12: 0000000000000001 [ 677.532010] R13: ffff88000000e808 R14: 000000003f401980 R15: 0000000000000000 [ 677.532010] FS: 00007f932e5b36f0(0000) GS:ffff880002000000(0000) knlGS:0000000000000000 [ 677.532010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 677.532010] CR2: 00007f932e5bd000 CR3: 000000003cd9c000 CR4: 00000000000006e0 [ 677.532010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 677.532010] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 677.532010] Call Trace: [ 677.532010] [<ffffffff80227262>] ? kvm_deferred_mmu_op+0x4b/0xd2 [ 677.532010] [<ffffffff80227339>] ? kvm_mmu_write+0x2b/0x31 [ 677.532010] [<ffffffff802a6081>] ? handle_mm_fault+0x283/0x700 [ 677.532010] [<ffffffff8022cce1>] ? do_page_fault+0x1f3/0x208 [ 677.532010] [<ffffffff804b5d55>] ? page_fault+0x25/0x30 [ 677.532010] [<ffffffff80352fed>] ? copy_user_generic_string+0x2d/0x40 [ 677.532010] [<ffffffff802d6d1a>] ? seq_read+0x300/0x380 [ 677.532010] [<ffffffff802ff052>] ? proc_reg_read+0x6f/0x8a [ 677.532010] [<ffffffff802c15ed>] ? vfs_read+0xa6/0xff [ 677.532010] [<ffffffff802c1702>] ? sys_read+0x45/0x6e [ 677.532010] [<ffffffff8020fa42>] ? system_call_fastpath+0x16/0x1b [ 743.032010] BUG: soft lockup - CPU#0 stuck for 61s! [ntpd:1665] [ 743.032010] Modules linked in: loop serio_raw snd_pcsp psmouse virtio_balloon snd_pcm snd_timer snd soundcore snd_page_alloc evdev i2c_piix4 i2c_core button processor reiserfs ide_cd_mod cdrom ata_generic libata scsi_mod ide_pci_generic virtio_blk virtio_net piix uhci_hcd floppy ide_core ehci_hcd virtio_pci virtio_ring virtio thermal fan thermal_sys [last unloaded: scsi_wait_scan] [ 743.032010] CPU 0: [ 743.032010] Modules linked in: loop serio_raw snd_pcsp psmouse virtio_balloon snd_pcm snd_timer snd soundcore snd_page_alloc evdev i2c_piix4 i2c_core button processor reiserfs ide_cd_mod cdrom ata_generic libata scsi_mod ide_pci_generic virtio_blk virtio_net piix uhci_hcd floppy ide_core ehci_hcd virtio_pci virtio_ring virtio thermal fan thermal_sys [last unloaded: scsi_wait_scan] [ 743.032010] Pid: 1665, comm: ntpd Not tainted 2.6.30-2-amd64 #1 [ 743.032010] RIP: 0010:[<ffffffff8022726e>] [<ffffffff8022726e>] kvm_deferred_mmu_op+0x57/0xd2 [ 743.032010] RSP: 0018:ffff88003d40dc68 EFLAGS: 00000293 [ 743.032010] RAX: 0000000000000000 RBX: 0000000000000016 RCX: 000000003d40dcaa [ 743.032010] RDX: 0000000000000000 RSI: 0000000000000018 RDI: ffff88003d40dcaa [ 743.032010] RBP: ffffffff802105ce R08: 0000000000000080 R09: ffffe20000d2b2b8 [ 743.032010] R10: 0000000000039d69 R11: 0000000000000001 R12: 0000000000000001 [ 743.032010] R13: ffff88000000e808 R14: 000000003f401980 R15: 0000000000000000 [ 743.032010] FS: 00007f932e5b36f0(0000) GS:ffff880002000000(0000) knlGS:0000000000000000 [ 743.032010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 743.032010] CR2: 00007f932e5bd000 CR3: 000000003cd9c000 CR4: 00000000000006e0 [ 743.032010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 743.032010] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 743.032010] Call Trace: [ 743.032010] [<ffffffff80227262>] ? kvm_deferred_mmu_op+0x4b/0xd2 [ 743.032010] [<ffffffff80227339>] ? kvm_mmu_write+0x2b/0x31 [ 743.032010] [<ffffffff802a6081>] ? handle_mm_fault+0x283/0x700 [ 743.032010] [<ffffffff8022cce1>] ? do_page_fault+0x1f3/0x208 [ 743.032010] [<ffffffff804b5d55>] ? page_fault+0x25/0x30 [ 743.032010] [<ffffffff80352fed>] ? copy_user_generic_string+0x2d/0x40 [ 743.032010] [<ffffffff802d6d1a>] ? seq_read+0x300/0x380 [ 743.032010] [<ffffffff802ff052>] ? proc_reg_read+0x6f/0x8a [ 743.032010] [<ffffffff802c15ed>] ? vfs_read+0xa6/0xff [ 743.032010] [<ffffffff802c1702>] ? sys_read+0x45/0x6e [ 743.032010] [<ffffffff8020fa42>] ? system_call_fastpath+0x16/0x1b : : Hope this helps. Please mail. Regards Harri -- 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
