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[Qemu-devel] [Bug 1534382] Re: loadvm makes Windows 7 x86 guest crash wi
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 1534382] Re: loadvm makes Windows 7 x86 guest crash with some CPUs |
Date: |
Mon, 07 Jan 2019 09:36:48 -0000 |
Looking through old bug tickets... can you still reproduce this issue
with the latest version of QEMU? Or could we close this ticket nowadays?
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1534382
Title:
loadvm makes Windows 7 x86 guest crash with some CPUs
Status in QEMU:
Incomplete
Bug description:
Running qemu with kvm enabled and -cpu set to some of the more "modern" CPUs,
and having Windows 7 x86 as the guest.
After guest OS loads, start some app (I started "cmd"), then do "savevm".
After that, do some more activity (I closed cmd window and opened IE),
then do "loadvm" of the previously saved snapshot.
loadvm shows briefly the state that the system was in at the snapshot time,
then guest OS crashes (blue screen).
Originally I saw this problem on qemu 1.4.0,
then I also tried qemu 2.5.0 and found the same problem.
The CPUs that I tried were mostly those that support NX bit (core2duo,
qemu64, kvm64, Nehalem, etc.)
If I use the default CPU, or some other like qemu32/kvm32,
the problem does not occur.
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