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Re: [libvirt] [PATCH] qemu: Improve error if setmem fails for lacking of balloon support



On 2012年06月25日 19:34, Daniel P. Berrange wrote:
On Mon, Jun 25, 2012 at 06:49:52PM +0800, Osier Yang wrote:
"cannot set memory of an active domain" is misleading, it sounds
like setting memory of active domain is not supported.
---
  src/qemu/qemu_driver.c |    3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 5713650..bb33fd5 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -2037,7 +2037,8 @@ static int qemudDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
              /* Lack of balloon support is a fatal error */
              if (r == 0) {
                  qemuReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                                _("cannot set memory of an active domain"));
+                                _("Lacks of balloon support, perhaps"
+                                  " the balloon device is disabled"));
                  goto endjob;

This doesn't read quite right. Perhaps use

   _("Unable to change memory of active domain without "
     "the balloon device and guest OS balloon driver")


Yeah, more precicely, I pushed with it, assuming there is
an ACK from you. :-)

Osier


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