Re: [PATCH] qemuDomainResume: allow to resume domain with guest panicked

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On Sat, Jan 23, 2016 at 19:08:45 +0300, Dmitry Andreev wrote:
> In case of guest panicked, preserved crashed domain has stopped CPUs.
> It's not possible to use tools like WinDbg for the problem investigation
> until we start CPUs back.
> ---
>  src/qemu/qemu_driver.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index e46404b..0930280 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -1873,6 +1873,7 @@ static int qemuDomainResume(virDomainPtr dom)
>      int ret = -1;
>      virObjectEventPtr event = NULL;
>      int state;
> +    int reason;
>      virQEMUDriverConfigPtr cfg = NULL;
>  
>      if (!(vm = qemuDomObjFromDomain(dom)))
> @@ -1892,12 +1893,14 @@ static int qemuDomainResume(virDomainPtr dom)
>          goto endjob;
>      }
>  
> -    state = virDomainObjGetState(vm, NULL);
> +    state = virDomainObjGetState(vm, &reason);
>      if (state == VIR_DOMAIN_PMSUSPENDED) {
>          virReportError(VIR_ERR_OPERATION_INVALID,
>                         "%s", _("domain is pmsuspended"));
>          goto endjob;
> -    } else if (state == VIR_DOMAIN_PAUSED) {
> +    } else if ((state == VIR_DOMAIN_CRASHED &&
> +               reason == VIR_DOMAIN_CRASHED_PANICKED) ||

"reason" should be lined up with "state" in the line above, i.e., this
line needs to be indented by one more space.

> +               state == VIR_DOMAIN_PAUSED) {
>          if (qemuProcessStartCPUs(driver, vm, dom->conn,
>                                   VIR_DOMAIN_RUNNING_UNPAUSED,
>                                   QEMU_ASYNC_JOB_NONE) < 0) {

ACK and pushed, thanks.

Jirka

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