[libvirt] [PATCH] qemuDomainResume: allow to resume domain with guest panicked
Dmitry Andreev
dandreev at virtuozzo.com
Mon Feb 1 08:29:16 UTC 2016
Ping. Thanks!
Dmitry
On 23.01.2016 19:08, 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) ||
> + state == VIR_DOMAIN_PAUSED) {
> if (qemuProcessStartCPUs(driver, vm, dom->conn,
> VIR_DOMAIN_RUNNING_UNPAUSED,
> QEMU_ASYNC_JOB_NONE) < 0) {
>
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