A Xen domain0 is better described as a persistent domain. Mark it as such during intialization. Signed-off-by: Jim Fehlig <jfehlig(a)suse.com&gt; --- I noticed this while debugging a libvirt-guests issue. The list_guests() function filters domain0 with echo "$list" | grep -v 00000000-0000-0000-0000-000000000000 If domain0 is the only item in $list, the grep returns 1, causing a failure of the stop operation when action is suspend. This patch fixes the libvirt-guests issue, but I can also send a patch to improve the filter if desired. E.g. echo "$list" | sed "s/00000000-0000-0000-0000-000000000000//g" src/libxl/libxl_driver.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c index 40328a6cb..79e29ce07 100644 --- a/src/libxl/libxl_driver.c +++ b/src/libxl/libxl_driver.c @@ -609,6 +609,7 @@ libxlAddDom0(libxlDriverPrivatePtr driver) def = NULL; + vm->persistent = 1; virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, VIR_DOMAIN_RUNNING_BOOTED); if (virDomainDefSetVcpusMax(vm->def, d_info.vcpu_max_id + 1, driver->xmlopt)) goto cleanup;

On 12/14/2017 12:15 AM, Michal Privoznik wrote: > On 12/13/2017 10:41 PM, Jim Fehlig wrote: >> A Xen domain0 is better described as a persistent domain. Mark it >> as such during intialization. >> >> Signed-off-by: Jim Fehlig <jfehlig(a)suse.com&gt; >> --- >> >> I noticed this while debugging a libvirt-guests issue. The list_guests() >> function filters domain0 with >> >> echo "$list" | grep -v 00000000-0000-0000-0000-000000000000 >> >> If domain0 is the only item in $list, the grep returns 1, causing >> a failure of the stop operation when action is suspend. This >> patch fixes the libvirt-guests issue, but I can also send a patch >> to improve the filter if desired. E.g. >> >> echo "$list" | sed "s/00000000-0000-0000-0000-000000000000//g" >> >>   src/libxl/libxl_driver.c | 1 + >>   1 file changed, 1 insertion(+) >> >> diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c >> index 40328a6cb..79e29ce07 100644 >> --- a/src/libxl/libxl_driver.c >> +++ b/src/libxl/libxl_driver.c >> @@ -609,6 +609,7 @@ libxlAddDom0(libxlDriverPrivatePtr driver) >>         def = NULL; >>   +    vm->persistent = 1; >>       virDomainObjSetState(vm, VIR_DOMAIN_RUNNING, >> VIR_DOMAIN_RUNNING_BOOTED); >>       if (virDomainDefSetVcpusMax(vm->def, d_info.vcpu_max_id + 1, >> driver->xmlopt)) >>           goto cleanup; >> > > I think this is orthogonal to libvirt-guests fix. dom0 should be marked > as persistent because it is persistent. I mean, even though we don't > store its config anywhere, we can't really get rid of it (udefine && > destroy). Right, that's why I didn't mention libvirt-guests in the commit message. Is it ok to push this patch and send another for the libvirt-guests improvement?