On 11/04/2014 10:43 AM, Marc-André Lureau wrote:
Hi,
Attempting to migration from session to system qemu fails because of the
following checks in qemuMigrationCookieXMLParse():
if (STREQ(mig->remoteHostname, mig->localHostname)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Attempt to migrate guest to the same host %s"),
mig->remoteHostname);
goto error;
}
....
if (memcmp(mig->remoteHostuuid, mig->localHostuuid, VIR_UUID_BUFLEN) == 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Attempt to migrate guest to the same host %s"),
tmp);
goto error;
Is there a technical limitation for this error? If not, could it be overriden
with an additional flag?
Trying to prevent migrating to the same libvirtd instance which would
historically deadlock in libvirt's qemu driver. But migrating session ->
system shouldn't suffer from that problem, so maybe it should be smarter.
Maybe with the more fine grained locking these days we can actually make
localhost migration work? Would be useful for testing
- Cole
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