On 05/31/2013 10:03 AM, Jiri Denemark wrote:
---
src/libvirt.c | 7 +++++++
tools/virsh.pod | 7 +++++++
2 files changed, 14 insertions(+)
ACK.
diff --git a/src/libvirt.c b/src/libvirt.c
index b129611..6967613 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -2472,6 +2472,13 @@ error:
* Dependent on hypervisor used, this may require a
* guest agent to be available, e.g. QEMU.
*
+ * Beware that at least for QEMU, the domain's process will be terminated
+ * when VIR_NODE_SUSPEND_TARGET_DISK is used and a new process will be
+ * launched when libvirt is asked to wake up the domain. As a result of
+ * this, any runtime changes, such as device hotplug or memory settings,
+ * are lost unless such changes were made with VIR_DOMAIN_AFFECT_CONFIG
+ * flag.
+ *
* Returns: 0 on success,
* -1 on failure.
*/
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 11984bc..7c8ce18 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -1680,6 +1680,13 @@ hypervisor driver and 0 should be used.).
Note that this command requires a guest agent configured and running in the
domain's guest OS.
+Beware that at least for QEMU, the domain's process will be terminated when
+target disk is used and a new process will be launched when libvirt is asked
+to wake up the domain. As a result of this, any runtime changes, such as
+device hotplug or memory settings, are lost unless such changes were made
+with I<--config> flag.
+
+
=item B<dompmwakeup> I<domain>
Wakeup a domain from pmsuspended state (either suspended by dompmsuspend or
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library
http://libvirt.org