The docs claims the cache attribute of the disk <driver> element supports 'default' as one of its permissible values, but such configuration fails virt-xml-validate. Add 'default' as one of the cache attribute choices in domaincommon.rng. Signed-off-by: Jim Fehlig <jfehlig(a)suse.com&gt; --- docs/schemas/domaincommon.rng | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 67af93a..d4e375f 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -1596,6 +1596,7 @@ <define name="driverCache"> <attribute name="cache"> <choice> + <value>default</value> <value>none</value> <value>writeback</value> <value>writethrough</value>