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New: Window guest time passed very quickly, when restore vm that saved 10 minutes ago.

Bug 60833 [email protected] 1 participant 4 messages Sep 2, 2013 – Nov 13, 2013 KVM

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#0 lore raw

https://bugzilla.kernel.org/show_bug.cgi?id=60833

            Bug ID: 60833
           Summary: Window guest time passed very quickly, when restore vm
                    that saved 10 minutes ago.
           Product: Virtualization
           Version: unspecified
    Kernel Version: qemu-kvm-0.12.1.2-2.355.el6.x86_64
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: kvm
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

Recently, I found a problem with windows guest(both winxp and win7) that window guest time passed very quickly, when restore vm that saved 1 hours ago.

Kvm server OS: Red Hat Enterprise Linux Server release 6.4

Reproduce Steps:
1. install a new windows xp vm named winxp.
2. power on the vm.
3. save the vm by command "virsh save winxp /tmp/winxp.save"
4. wait 10 minutes.
5. restore the vm by command "virsh restore /tmp/winxp.save"
6. Note the clock on the task bar, time passed as 10 time quickly as real time speed.

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author
#1 lore raw

[Bug 60833] Window guest time passed very quickly, when restore vm that saved 10 minutes ago.

https://bugzilla.kernel.org/show_bug.cgi?id=60833

Gleb <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected]

--- Comment #1 from Gleb <[email protected]> ---
This is how it suppose to work. If you do not want this behaviour change time catchup policy in libvirt.

BTW this bugzilla is for upstream issues, not vendor kernels.

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author
#2 lore raw

[Bug 60833] Window guest time passed very quickly, when restore vm that saved 10 minutes ago.

In reply to [email protected]

https://bugzilla.kernel.org/show_bug.cgi?id=60833

Alan <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
                 CC|                            |[email protected]
         Resolution|---                         |INVALID
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