*** Bug 601048 has been marked as a duplicate of this bug. ***
With kexec-tools-2.0.0-75.el6.x86_64, ibm-x3655-03.ovirt.rhts.eng.bos.redhat.com reboot suddenly when dumping the vmcore. And I can save the vmcore with kexec-tools-2.0.0-82.el6.x86_64 on the system.
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.