The problem is that virsh qemu-monitor-command --hmp VM log trace:help forces QEMU to exit even when running VM normally.
Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Stefan Hajnoczi <stefa...@redhat.com> Reviewed-by: Paolo Bonzini <pbonz...@redhat.com> --- trace/control.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/trace/control.c b/trace/control.c index 20d3370..2d404c3 100644 --- a/trace/control.c +++ b/trace/control.c @@ -19,6 +19,7 @@ #include "qemu/log.h" #endif #include "qemu/error-report.h" +#include "monitor/monitor.h" int trace_events_enabled_count; bool trace_events_dstate[TRACE_EVENT_COUNT]; @@ -131,7 +132,9 @@ void trace_enable_events(const char *line_buf) { if (is_help_option(line_buf)) { trace_list_events(); - exit(0); + if (cur_mon == NULL) { + exit(0); + } } else { do_trace_enable_events(line_buf); } -- 2.1.4