All of lore.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi@redhat.com>
To: Harald Dunkel <harald.dunkel@aixigo.de>
Cc: kvm@vger.kernel.org, Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: guest gets stuck on the migration from AMD to Intel
Date: Mon, 30 Nov 2009 14:22:21 +0200	[thread overview]
Message-ID: <4B13B8FD.5030600@redhat.com> (raw)
In-Reply-To: <4B13B27F.9060707@aixigo.de>

(resend with better cc list)

On 11/30/2009 01:54 PM, Harald Dunkel wrote:
>
> Sorry, wrong kernel. Here is the output for 2.6.31.6:
>
> [  374.736010] BUG: soft lockup - CPU#0 stuck for 61s! [ntpd:1657]
> [  374.736010] Modules linked in: ipv6 loop snd_pcm snd_timer snd soundcore snd_page_alloc virtio_balloon psmouse serio_raw pcspkr evdev i2c_piix4 i2c_core button processor reiserfs ide_cd_mod cdrom ata_generic ata_piix libata scsi_mod ide_pci_generic virtio_blk virtio_net piix uhci_hcd virtio_pci virtio_ring virtio floppy ehci_hcd ide_core thermal fan thermal_sys [last unloaded: scsi_wait_scan]
> [  374.736010] CPU 0:
> [  374.736010] Modules linked in: ipv6 loop snd_pcm snd_timer snd soundcore snd_page_alloc virtio_balloon psmouse serio_raw pcspkr evdev i2c_piix4 i2c_core button processor reiserfs ide_cd_mod cdrom ata_generic ata_piix libata scsi_mod ide_pci_generic virtio_blk virtio_net piix uhci_hcd virtio_pci virtio_ring virtio floppy ehci_hcd ide_core thermal fan thermal_sys [last unloaded: scsi_wait_scan]
> [  374.736010] Pid: 1657, comm: ntpd Not tainted 2.6.31.6 #1
> [  374.736010] RIP: 0010:[<ffffffff8102524d>]  [<ffffffff8102524d>] kvm_deferred_mmu_op+0x58/0xd6
> [  374.736010] RSP: 0018:ffff88003d8ffc68  EFLAGS: 00000293
> [  374.736010] RAX: 0000000000000000 RBX: 0000000000000016 RCX: 000000003d8ffcaa
> [  374.736010] RDX: 0000000000000000 RSI: 0000000000000018 RDI: ffff88003d8ffcaa
> [  374.736010] RBP: ffffffff8100c5ae R08: 0000000000000080 R09: ffffea0000a8a598
> [  374.736010] R10: 000000000003a0d5 R11: 0000000000000001 R12: 00000000000280da
> [  374.736010] R13: 000000003d8ffe48 R14: ffff880000001700 R15: 000000000000fdf0
> [  374.736010] FS:  00007fa19b21f6f0(0000) GS:ffff8800015ac000(0000) knlGS:0000000000000000
> [  374.736010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [  374.736010] CR2: 00007fa19b229000 CR3: 000000003dcad000 CR4: 00000000000006f0
> [  374.736010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [  374.736010] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [  374.736010] Call Trace:
> [  374.736010]  [<ffffffff81025241>] ? kvm_deferred_mmu_op+0x4c/0xd6
> [  374.736010]  [<ffffffff8102531b>] ? kvm_mmu_write+0x2b/0x31
> [  374.736010]  [<ffffffff810b7840>] ? handle_mm_fault+0x300/0x77d
> [  374.736010]  [<ffffffff8111b49f>] ? seq_release_net+0x0/0x3b
> [  374.736010]  [<ffffffff81028f29>] ? do_page_fault+0x25f/0x27b
> [  374.736010]  [<ffffffff812a19a5>] ? page_fault+0x25/0x30
> [  374.736010]  [<ffffffff81171bfd>] ? copy_user_generic_string+0x2d/0x40
> [  374.736010]  [<ffffffff810ea37c>] ? seq_read+0x300/0x380
> [  374.736010]  [<ffffffff81113e9d>] ? proc_reg_read+0x6d/0x88
> [  374.736010]  [<ffffffff810d3ca2>] ? vfs_read+0xaa/0x166
> [  374.736010]  [<ffffffff810d3e1a>] ? sys_read+0x45/0x6e
> [  374.736010]  [<ffffffff8100ba02>] ? system_call_fastpath+0x16/0x1b
> :
> :
>
>

Hm, pvmmu.  Can you provide /proc/cpuinfo on the source (AMD) host?

Marcelo, shouldn't this be inactive after migration from AMD to Intel? 
Or maybe hypercall patching is screwing up?

-- 
error compiling committee.c: too many arguments to function


  parent reply	other threads:[~2009-11-30 12:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-18  9:49 guest gets stuck on the migration from AMD to Intel Harald Dunkel
2009-11-25  7:17 ` Harald Dunkel
2009-11-25  9:21 ` sudhir kumar
2009-11-25  9:36 ` Avi Kivity
2009-11-30 11:17   ` Harald Dunkel
2009-11-30 11:54     ` Harald Dunkel
2009-11-30 12:14       ` Avi Kivity
2009-11-30 12:22       ` Avi Kivity [this message]
2009-12-01  7:35         ` Harald Dunkel
2009-12-11 11:58           ` Harald Dunkel
2010-01-10 14:11       ` Avi Kivity

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4B13B8FD.5030600@redhat.com \
    --to=avi@redhat.com \
    --cc=harald.dunkel@aixigo.de \
    --cc=kvm@vger.kernel.org \
    --cc=mtosatti@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.