Re: [libvirt] guest clock offset, configuration

2010-06-10 Thread Jakub Hrozek
On Wed, Jun 9, 2010 at 3:28 AM, Eric Blake ebl...@redhat.com wrote:
 On 06/07/2010 08:55 AM, Jakub Hrozek wrote:
 Hi,
 I'm having some trouble with guests booting up with huge clock offset
 (4 hrs). The offset is always the same which leads me to suspecting a
 configuration issue rather than a bug.

 I looked around libvirt documentation and so far checked these:
   * the hosts clock is correct (ntpd, manually verified)
   * the timezones are correct (and the same) on both host and guest
   * the clock element in the guest xml seems to be correct for a Linux
 guest - clock offset='utc'/

 Is there anything else I should check?

 FWIW, hosts are Fedora 12, guests are a mix of recent Fedoras.

 Which version of libvirtd?  0.8.0 added some new clock features into
 the XML for better control; the documentation is not yet complete, but
 here's a snapshot to the work in progress:
 https://www.redhat.com/archives/libvir-list/2010-May/msg00393.html


Eric,

we're using libvirt-0.7.1-16.fc12, but I'll check the link you included.

Thanks!

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[libvirt] guest clock offset, configuration

2010-06-07 Thread Jakub Hrozek
Hi,
I'm having some trouble with guests booting up with huge clock offset
(4 hrs). The offset is always the same which leads me to suspecting a
configuration issue rather than a bug.

I looked around libvirt documentation and so far checked these:
  * the hosts clock is correct (ntpd, manually verified)
  * the timezones are correct (and the same) on both host and guest
  * the clock element in the guest xml seems to be correct for a Linux
guest - clock offset='utc'/

Is there anything else I should check?

FWIW, hosts are Fedora 12, guests are a mix of recent Fedoras.

Thanks for any pointers,
Jakub

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[libvirt] virsh migrate with libvirt-0.5.1: failed to start listening VM

2009-07-14 Thread Jakub Hrozek
Hello,
I was trying to migrate a KVM/QEMU VM running on a Fedora 10 host to
another F10 host. Both machines have identical architectures (x86_64)
and are running identical versions of libvirt and KVM
(libvirt-0.5.1-2.fc10.x86_64, kvm-74-10.fc10.x86_64). However, the
migration fails:

# virsh migrate jhrozek-f11-minimal
qemu+ssh://someothersystem.example.com/system
libvir: QEMU error : operation failed: failed to start listening VM

On the target host, the logfile
/var/log/libvirt/qemu/jhrozek-f11-minimal.log says:
qemu: could not open disk image /var/lib/libvirt/images/jhrozek-f11-minimal.img

Which seems rather odd, isn't libvirt supposed to copy the image file?

Is this supposed to work? Is there any way to debug the problem? I
skimmed through RH Bugzilla and googled a bit but haven't found much
clue.

Help is appreciated,
Jakub

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