[Qemu-devel] [Bug 899961] Re: qemu/kvm locks up when run 32bit userspace with 64bit kernel

[Thomas Huth]

Since the debian bug has been marked as fixed and there wasn't any
response to the question in my last comment, I assume this has been
fixed in upstream QEMU, too. So closing this ticket accordingly...

** Changed in: qemu
       Status: Incomplete => Fix Released

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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:
  Fix Released
Status in qemu-kvm package in Debian:
  Fix Released

Bug description:
  Only applies to qemu-kvm 1.0, and 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-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 no CPU usage whatsoever.
  Killable only with -9.

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