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[Qemu-devel] [Bug 899961] [NEW] qemu/kvm locks up when run 32bit userspa
From: |
Michael Tokarev |
Subject: |
[Qemu-devel] [Bug 899961] [NEW] qemu/kvm locks up when run 32bit userspace with 64bit kernel |
Date: |
Sun, 04 Dec 2011 16:16:19 -0000 |
Public bug reported:
Applies to both qemu and qemu-kvm 1.0, but only when kernel is 64bit and
userspace is 32bit, on x86. Did not happen with previous released
versions, such as 0.15. Not all guests triggers this issue - so far,
only (32bit) windows 7 guest shows it, but does that quite reliable:
first boot of an old guest with new qemu (or qemu-kvm), windows finds a
new CPU and suggests rebooting - hit "Reboot" and in a few seconds it
will be locked up (including the monitor), with 100% CPU usage.
Killable with -9.
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/899961
Title:
qemu/kvm locks up when run 32bit userspace with 64bit kernel
Status in QEMU:
New
Bug description:
Applies to both qemu and qemu-kvm 1.0, but only when kernel is 64bit
and userspace is 32bit, on x86. Did not happen with previous released
versions, such as 0.15. Not all guests triggers this issue - so far,
only (32bit) windows 7 guest shows it, but does that quite reliable:
first boot of an old guest with new qemu (or qemu-kvm), windows finds
a new CPU and suggests rebooting - hit "Reboot" and in a few seconds
it will be locked up (including the monitor), with 100% CPU usage.
Killable with -9.
To manage notifications about this bug go to:
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- [Qemu-devel] [patch 0/5] block streaming base support, Marcelo Tosatti, 2011/12/30
- [Qemu-devel] [patch 2/5] block: implement bdrv_find_backing_image in qcow2, Marcelo Tosatti, 2011/12/30
- [Qemu-devel] [patch 4/5] block stream: add support for partial streaming, Marcelo Tosatti, 2011/12/30
- [Qemu-devel] [patch 3/5] add QERR_BASE_ID_NOT_FOUND, Marcelo Tosatti, 2011/12/30
- [Qemu-devel] [patch 5/5] add doc to describe live block operations, Marcelo Tosatti, 2011/12/30
- [Qemu-devel] [patch 1/5] block: add bdrv_find_backing_image, Marcelo Tosatti, 2011/12/30