Re: [PATCH] qemu: driver: Unset log file watcher after restoring a VM save file

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On 06/03/2016 11:30 AM, Peter Krempa wrote:
> qemuProcessStart does not unset the infrastructure that retrieves errors
> from the qemu log file in case of migration. As this wasn't handled
> properly in qemuDomainSaveImageStartVM we kept the logging context/fd
> open for the lifetime of the VM rather than closing it after it's not
> needed.
> 
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1325080
> ---
>  src/qemu/qemu_driver.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 10d3e3d..4f09630 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -6509,6 +6509,11 @@ qemuDomainSaveImageStartVM(virConnectPtr conn,
>      if (!restored)
>          goto cleanup;
> 
> +    /* qemuProcessStart doesn't unsed the qemu error reporting infrastructure

unset


ACK -

John
> +     * in case of migration (which is used in this case) so we need to reset it
> +     * so that the handle to virtlogd is not held open unnecessarily */
> +    qemuMonitorSetDomainLog(qemuDomainGetMonitor(vm), NULL, NULL, NULL);
> +
>      event = virDomainEventLifecycleNewFromObj(vm,
>                                       VIR_DOMAIN_EVENT_STARTED,
>                                       VIR_DOMAIN_EVENT_STARTED_RESTORED);
> 

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