This problem is from https://bugzilla.redhat.com/show_bug.cgi?id=608613#c32
Description of problem:
Gust crash sometimes with #UD exception when run on host without nested paging
This issue has been proposed when we are only considering blocker
issues in the current Red Hat Enterprise Linux release. It has
been denied for the current Red Hat Enterprise Linux release.
** If you would still like this issue considered for the current
release, ask your support representative to file as a blocker on
your behalf. Otherwise ask that it be considered for the next
Red Hat Enterprise Linux release. **
Patch(es) available on kernel-2.6.32-52.el6
run repeated guest reboot for 32 times with host kernel as 2.6.32-63.el6, did
not hit guest kernel panic problem.
# /usr/libexec/qemu-kvm -M rhel6.0.0 -m 21504 -smp 8 -uuid `uuidgen` -rtc
base=utc,clock=host,driftfix=slew -usbdevice tablet -netdev tap,id=hostnet0
-serial stdio -vnc :11 -monitor
Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.