Red Hat Bugzilla – Bug 507730
KVM: SVM: Remove port 80 passthrough (upstream backport)
Last modified: 2014-03-25 20:58:31 EDT
Author: Avi Kivity <firstname.lastname@example.org>
Date: Mon May 11 14:21:10 2009 +0300
KVM: SVM: Remove port 80 passthrough
KVM optimizes guest port 80 accesses by passthing them through to the host.
Some AMD machines die on port 80 writes, allowing the guest to hard-lock the
Remove the port passthrough to avoid the problem.
Reported-by: Piotr Jaroszyński <email@example.com>
Tested-by: Piotr Jaroszyński <firstname.lastname@example.org>
Signed-off-by: Avi Kivity <email@example.com>
Created attachment 349159 [details]
Verified the patch is already applied in kvm-83-87.el5.
# rpm -q --changelog kvm | grep 507730
- kvm-kernel-KVM-SVM-Remove-port-80-passthrough-upstream-backport.patch [bz#507730]
- Resolves: bz#507730 - KVM: SVM: Remove port 80 passthrough (upstream backport)
And no evidence show these patches introduce regressions during the acceptance testing .
setting to *VERIFIED*
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.