http://xenbits.xen.org/hg/staging/xen-unstable.hg/rev/18151
Paolo posted http://post-office.corp.redhat.com/archives/rhkernel-list/2011-July/msg00605.html
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Patch(es) available in kernel-2.6.18-282.el5 You can download this test kernel (or newer) from http://people.redhat.com/jwilson/el5 Detailed testing feedback is always welcomed.
Verify this fix with 2.6.18-298.el5xen. # xm debug-key h ; xm dmesg | grep clock (XEN) key \047t\047 (ascii \04774\047) => display multi-cpu clock info # xm debug-key t; xm dmesg | tail (XEN) key \047u\047 (ascii \04775\047) => dump numa info (XEN) key \047v\047 (ascii \04776\047) => dump Intel\047s VMCS (XEN) key \047z\047 (ascii \0477a\047) => print ioapic info (XEN) Synced stime skew: max=414ns avg=414ns samples=1 current=414ns (XEN) Synced cycles skew: max=2019 avg=2019 samples=1 current=2019 (XEN) Synced stime skew: max=457ns avg=435ns samples=2 current=457ns (XEN) Synced cycles skew: max=2019 avg=2007 samples=2 current=1995 (XEN) Synced stime skew: max=745ns avg=538ns samples=3 current=745ns (XEN) Synced cycles skew: max=3021 avg=2345 samples=3 current=3021
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2012-0150.html