Red Hat Bugzilla – Bug 523971
xm save hangs with kernel-2.6.31-14.fc12 running as a PV guest under RHEL-5.4
Last modified: 2011-06-27 10:23:36 EDT
Description of problem:
An attempt to save a Fedora rawhide PV guest under RHEL-5.4 hangs after issuing suspend request to the guest. With other guests, everything works as expected.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Create and start a PV guest (64b, 1500MB memory, 4 CPUs, 4GB disk)
2. xm save GUEST /some/where
The guest hangs and the save process is stuck waiting on it to suspend.
Working save functionality.
After some investigation, I found out that a suspend request is stored by xend to xenstore database and then xend waits until the guests shuts down, which never happens. As this works for other guests, it's obvious that dom0 kernel forwards the suspend request from xenstore to the guest kernel correctly but apparently doesn't get any response.
jdenemar: is this the same as bug #523937?
Probably makes sense to close bug #523937 as a dup of this one, if so
Not really. Despite what is written in the bug description, bug 523937 was tested with an older kernel (2.6.31-0*rc9) and that kernel was able to be saved and even restored. But just once. Another attempt to save that guest failed as described in the bug report.
This bug appears to have been reported against 'rawhide' during the Fedora 13 development cycle.
Changing version to '13'.
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