Public bug reported:
I have a precise host with saucy ubuntu kernel installed. I installed
two VMs there, a saucy and a trusty guest.
In the saucy guest, non-accelerated qemu works fine, but accelerated kvm
hangs the first-level saucy guest completely, and pins it at 200% cpu
usage:
qemu-system-x86 --enable-kvm -monitor stdio -vnc :1
On the trusty guest it works just fine.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1278531
Title:
nested kvm on saucy kernel hangs
Status in “linux” package in Ubuntu:
New
Bug description:
I have a precise host with saucy ubuntu kernel installed. I installed
two VMs there, a saucy and a trusty guest.
In the saucy guest, non-accelerated qemu works fine, but accelerated
kvm hangs the first-level saucy guest completely, and pins it at 200%
cpu usage:
qemu-system-x86 --enable-kvm -monitor stdio -vnc :1
On the trusty guest it works just fine.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1278531/+subscriptions
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