Red Hat Bugzilla – Bug 723569
Fix Xen hvmloader bug with gcc 4.6
Last modified: 2011-07-30 23:36:21 EDT
Description of problem:
Xen hvmloader compiled with gcc 4.6 crashes early when trying to launch Xen HVM guests. Example output:
(XEN) io.c:194:d18358 MMIO emulation failed @ 0018:9ffff: 00 e0 de be 00 83
(XEN) hvm.c:1099:d18358 Triple fault on VCPU0 - invoking HVM system reset.
Or another failure mode is to just get "HVM Loader" and then a crash. Using gcc 4.5 instead to compile Xen does not expose this bug.
Version-Release number of selected component (if applicable):
All Xen 4.x versions, including the F15 version of Xen.
Steps to Reproduce:
1. Try to launch a Xen HVM guest.
hvmloader works and the guests starts OK.
This bug is fixed in upstream Xen repositories, so the bugfix patch should be added to F15 version of Xen.
Upstream xen.org bugfix available here: http://marc.info/?l=xen-devel&m=131117428320002
This bugfix should also be added to rawhide/F16 version of Xen.
xen-4.1.1-2.fc15 has been submitted as an update for Fedora 15.
* should fix your issue,
* was pushed to the Fedora 15 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing xen-4.1.1-2.fc15'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
xen-4.1.1-2.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.