[libvirt] [PATCH] Run 'cont' on successful migration finish.

Chris Lalancette clalance at redhat.com
Tue Aug 11 11:35:10 UTC 2009


Daniel P. Berrange wrote:
> On Fri, Aug 07, 2009 at 11:06:33AM +0200, Chris Lalancette wrote:
>> As of qemu 0.10.6, qemu now honors the -S flag on incoming migration.
>> That means that when the migration completes, we have to issue a
>> 'cont' command to get the VM running again.  We do it unconditionally
>> since it won't hurt on older qemu.
>>
>> Signed-off-by: Chris Lalancette <clalance at redhat.com>
>> ---
>>  src/qemu_driver.c |   11 +++++++++++
>>  1 files changed, 11 insertions(+), 0 deletions(-)
>>
>> diff --git a/src/qemu_driver.c b/src/qemu_driver.c
>> index bcacd41..1fb2417 100644
>> --- a/src/qemu_driver.c
>> +++ b/src/qemu_driver.c
>> @@ -6600,7 +6600,18 @@ qemudDomainMigrateFinish2 (virConnectPtr dconn,
>>       */
>>      if (retcode == 0) {
>>          dom = virGetDomain (dconn, vm->def->name, vm->def->uuid);
>> +
>> +        /* run 'cont' on the destination, which allows migration on qemu
>> +         * >= 0.10.6 to work properly.  This isn't strictly necessary on
>> +         * older qemu's, but it also doesn't hurt anything there
>> +         */
>> +        if (qemudMonitorCommand(vm, "cont", &info) < 0) {
>> +            qemudReportError(dconn, NULL, NULL, VIR_ERR_INTERNAL_ERROR,
>> +                             "%s", _("resume operation failed"));
>> +            goto cleanup;
>> +        }
>>          VIR_FREE(info);
>> +
>>          vm->state = VIR_DOMAIN_RUNNING;
>>          event = virDomainEventNewFromObj(vm,
>>                                           VIR_DOMAIN_EVENT_RESUMED,
> 
> ACK
> 
> Daniel

Committed.

-- 
Chris Lalancette




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