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



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")


Daniel
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