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qemu: do not overwrite the error in qemuDomainObjExitMonitor

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1196934

When qemu exits during startup, libvirt includes the error from
/var/log/libvirt/qemu/vm.log in the error message:

$ virsh start test3
error: Failed to start domain test3
error: internal error: early end of file from monitor: possible problem:
2015-02-27T03:03:16.985494Z qemu-kvm: -numa memdev is not supported by
machine rhel6.5.0

The check for domain liveness added to qemuDomainObjExitMonitor
in commit dc2fd51f sometimes overwrites this error:
$ virsh start test3
error: Failed to start domain test3
error: operation failed: domain is no longer running

Fix the check to only report an error if there is none set.

Signed-off-by: Luyao Huang <lhuang@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
(cherry picked from commit 4f068209387118f9b67c7cfe1a6c0097d7f573e7)
This commit is contained in:
Luyao Huang 2015-03-19 11:14:39 +08:00 committed by Cole Robinson
parent bb00c1f9fc
commit 93c5841e08
1 changed files with 3 additions and 2 deletions
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1
src/qemu/qemu_domain.c
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@ -1604,6 +1604,7 @@ int qemuDomainObjExitMonitor(virQEMUDriverPtr driver,
{
qemuDomainObjExitMonitorInternal(driver, obj);
if (!virDomainObjIsActive(obj)) {
if (!virGetLastError())
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
_("domain is no longer running"));
return -1;