From 58fb8449e8c7d580c48f85b49993bf0a034e94f3 Mon Sep 17 00:00:00 2001 Message-Id: <58fb8449e8c7d580c48f85b49993bf0a034e94f3@dist-git> From: John Ferlan Date: Thu, 18 Sep 2014 09:29:58 -0400 Subject: [PATCH] qemu: Fix iothreads issue https://bugzilla.redhat.com/show_bug.cgi?id=1101574 If there are no iothreads, then return from qemuProcessDetectIOThreadPIDs without error; otherwise, the following occurs: error: Failed to start domain $dom error: An error occurred, but the cause is unknown (cherry picked from commit b66c950fb9d5dc0e786cdf4ebe7e206cd5d7001c) Signed-off-by: John Ferlan Signed-off-by: Jiri Denemark --- src/qemu/qemu_process.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index ed73ae5..274fc1b 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -2109,9 +2109,13 @@ qemuProcessDetectIOThreadPIDs(virQEMUDriverPtr driver, goto cleanup; niothreads = qemuMonitorGetIOThreads(priv->mon, &iothreads); qemuDomainObjExitMonitor(driver, vm); - if (niothreads <= 0) + if (niothreads < 0) goto cleanup; + /* Nothing to do */ + if (niothreads == 0) + return 0; + if (niothreads != vm->def->iothreads) { virReportError(VIR_ERR_INTERNAL_ERROR, _("got wrong number of IOThread pids from QEMU monitor. " -- 2.1.0