Re: [libvirt] [PATCH] conf: fix running vm numa settings disappear after restart libvirtd

On 03/23/2015 06:10 PM, Peter Krempa wrote: > On Thu, Mar 19, 2015 at 18:13:04 +0800, Luyao Huang wrote: >> 5bba61f introduce a issue : when start a vm with <numa> settings and >> restart libvirtd, numa settings will disappear. Because when parse the >> vm states file, there is no node in "/domain/cpu/numa" this place. >> >> Change to use ./cpu/numa instead of /domain/cpu/numa. >> >> Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; >> --- >> src/conf/numa_conf.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) > Indeed the status XML wraps the <domain> element with another container > element. Yes, i just didn't know how to describe it in a right way when i wrote this :) >> diff --git a/src/conf/numa_conf.c b/src/conf/numa_conf.c >> index b92cb44..c34ba5f 100644 >> --- a/src/conf/numa_conf.c >> +++ b/src/conf/numa_conf.c >> @@ -663,10 +663,10 @@ virDomainNumaDefCPUParseXML(virDomainNumaPtr def, >> int ret = -1; >> >> /* check if NUMA definition is present */ >> - if (!virXPathNode("/domain/cpu/numa[1]", ctxt)) >> + if (!virXPathNode("./cpu/numa[1]", ctxt)) >> return 0; >> >> - if ((n = virXPathNodeSet("/domain/cpu/numa[1]/cell", ctxt, &nodes)) <= 0) { >> + if ((n = virXPathNodeSet("./cpu/numa[1]/cell", ctxt, &nodes)) <= 0) { >> virReportError(VIR_ERR_XML_ERROR, "%s", >> _("NUMA topology defined without NUMA cells")); >> goto cleanup; >> -- > ACK, I'll push your patch after I figure out how to add tests for > problems like this.