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[Qemu-devel] [Bug 1242963] [NEW] QEMU loadvm causes guest OS freeze
From: |
NanothylL |
Subject: |
[Qemu-devel] [Bug 1242963] [NEW] QEMU loadvm causes guest OS freeze |
Date: |
Tue, 22 Oct 2013 00:38:29 -0000 |
Public bug reported:
HOST: ubuntu 13.10 x64
GUEST: winxp sp 3 x86
AFFECT QEMU(tested): v1.5.2, v1.5.3, v1.6.0, v1.6.1
I compile QEMU by myself with "./configure --target-list=i386-softmmu && make
&& make install".
After installing a winxp sp3 into the qemu-system-i386 with command line:
> qemu-system-i386 -m 512 -hda xp.img -net user -net nic,model=rtl8139 -rtc
> base=localtime,clock=vm
I use monitor to create a live snapshot:
> stop
> savevm xxx
> cont
And then I load this snapshot (I also try it in commad line: -loadvm xxx):
> loadvm xxx
> cont
After that, the windows system is freeze (don't accept any keyboard or
mouse input, although I knew vcpu is still working).
If I compile with -enable-kvm and launch qemu-system-i386 with -enable-kvm, it
looks like everything works well.
I think it is a bug for qemu system.
BTW: freeze is not appearing 100%, but in my test, 95% cases would cause
system freeze.
** Affects: qemu
Importance: Undecided
Status: Incomplete
** Tags: freeze hang or system
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1242963
Title:
QEMU loadvm causes guest OS freeze
Status in QEMU:
Incomplete
Bug description:
HOST: ubuntu 13.10 x64
GUEST: winxp sp 3 x86
AFFECT QEMU(tested): v1.5.2, v1.5.3, v1.6.0, v1.6.1
I compile QEMU by myself with "./configure --target-list=i386-softmmu && make
&& make install".
After installing a winxp sp3 into the qemu-system-i386 with command line:
> qemu-system-i386 -m 512 -hda xp.img -net user -net nic,model=rtl8139 -rtc
base=localtime,clock=vm
I use monitor to create a live snapshot:
> stop
> savevm xxx
> cont
And then I load this snapshot (I also try it in commad line: -loadvm xxx):
> loadvm xxx
> cont
After that, the windows system is freeze (don't accept any keyboard or
mouse input, although I knew vcpu is still working).
If I compile with -enable-kvm and launch qemu-system-i386 with -enable-kvm,
it looks like everything works well.
I think it is a bug for qemu system.
BTW: freeze is not appearing 100%, but in my test, 95% cases would
cause system freeze.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1242963/+subscriptions
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