** Description changed: - Applies to both qemu and qemu-kvm 1.0, but only when kernel is 64bit and + 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 (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. + 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.
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/899961 Title: qemu/kvm locks up when run 32bit userspace with 64bit kernel Status in QEMU: New 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. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/899961/+subscriptions