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Re: [libvirt] [PATCH 4/7] Report qemu log data if we fail to daemonize the process.



On Tue, Apr 28, 2009 at 11:31:54AM -0400, Cole Robinson wrote:
> This ensures the user will actually see 'hook' function error output.
> ---
>  src/qemu_driver.c |   13 +++++++++++--
>  1 files changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/src/qemu_driver.c b/src/qemu_driver.c
> index cc510b2..5200532 100644
> --- a/src/qemu_driver.c
> +++ b/src/qemu_driver.c
> @@ -1456,8 +1456,17 @@ static int qemudStartVMDaemon(virConnectPtr conn,
>                               _("Domain %s didn't show up\n"), vm->def->name);
>              ret = -1;
>          }
> -    } else
> -        ret = -1;
> +    } else if (ret == -2) {
> +        /* The virExec process that launches the daemon failed. Pending on
> +         * when it failed (we can't determine for sure), there may be
> +         * extra info in the domain log (if the hook failed for example).
> +         *
> +         * Pretend like things succeeded, and let 'WaitForMonitor' report
> +         * the log contents for us.
> +         */
> +        vm->pid = child;
> +        ret = 0;
> +    }
>  
>      vm->state = migrateFrom ? VIR_DOMAIN_PAUSED : VIR_DOMAIN_RUNNING;
>  

ACK

Daniel
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