From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harald Dunkel Subject: Re: guest gets stuck on the migration from AMD to Intel Date: Mon, 30 Nov 2009 12:17:35 +0100 Message-ID: <4B13A9CF.8040801@aixigo.de> References: <4B03C333.8070501@aixigo.de> <4B0CFAA9.7060904@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mail.aixigo.de ([195.14.232.227]:31517 "EHLO gate1.ac.aixigo.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752082AbZK3LRs (ORCPT ); Mon, 30 Nov 2009 06:17:48 -0500 In-Reply-To: <4B0CFAA9.7060904@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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:[] [] 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] [] ? kvm_deferred_mmu_op+0x4b/0xd2 [ 677.532010] [] ? kvm_mmu_write+0x2b/0x31 [ 677.532010] [] ? handle_mm_fault+0x283/0x700 [ 677.532010] [] ? do_page_fault+0x1f3/0x208 [ 677.532010] [] ? page_fault+0x25/0x30 [ 677.532010] [] ? copy_user_generic_string+0x2d/0x40 [ 677.532010] [] ? seq_read+0x300/0x380 [ 677.532010] [] ? proc_reg_read+0x6f/0x8a [ 677.532010] [] ? vfs_read+0xa6/0xff [ 677.532010] [] ? sys_read+0x45/0x6e [ 677.532010] [] ? 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:[] [] 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] [] ? kvm_deferred_mmu_op+0x4b/0xd2 [ 743.032010] [] ? kvm_mmu_write+0x2b/0x31 [ 743.032010] [] ? handle_mm_fault+0x283/0x700 [ 743.032010] [] ? do_page_fault+0x1f3/0x208 [ 743.032010] [] ? page_fault+0x25/0x30 [ 743.032010] [] ? copy_user_generic_string+0x2d/0x40 [ 743.032010] [] ? seq_read+0x300/0x380 [ 743.032010] [] ? proc_reg_read+0x6f/0x8a [ 743.032010] [] ? vfs_read+0xa6/0xff [ 743.032010] [] ? sys_read+0x45/0x6e [ 743.032010] [] ? system_call_fastpath+0x16/0x1b : : Hope this helps. Please mail. Regards Harri