2010/11/8 Eric Blake <eblake@xxxxxxxxxx>:
> On 11/08/2010 02:31 PM, Matthias Bolte wrote:
>> xenHypervisorInit is called from xenRegister and detects the
>> sys_interface_version. As Andy figured out correctly, the xencapstest
>> calls xenHypervisorMakeCapabilitiesInternal with conn == NULL.
>> xenHypervisorMakeCapabilitiesInternal then calls
>> xenDaemonNodeGetTopology with conn == NULL if sys_interface_version >=
>> SYS_IFACE_MIN_VERS_NUMA holds. This is true when you have Xen
>> installed, otherwise sys_interface_version is -1. Therefore this test
>> will fail when ypu have recent Xen installed.
>>
>> diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
>> index c5cc880..95b3ca2 100644
>> --- a/src/xen/xen_hypervisor.c
>> +++ b/src/xen/xen_hypervisor.c
>> @@ -2244,8 +2244,7 @@ xenHypervisorBuildCapabilities(virConnectPtr conn,
>> Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â "xenmigr") < 0)
>> Â Â Â Â Âgoto no_memory;
>>
>> -
>> - Â Âif (sys_interface_version >= SYS_IFACE_MIN_VERS_NUMA) {
>> + Â Âif (sys_interface_version >= SYS_IFACE_MIN_VERS_NUMA && conn != NULL) {
>> Â Â Â Â Âif (xenDaemonNodeGetTopology(conn, caps) != 0) {
>> Â Â Â Â Â Â ÂvirCapabilitiesFree(caps);
>> Â Â Â Â Â Â Âreturn NULL;
>
> ACK if you'd like to turn that into a formal commit.
>
Okay, I basically used the explaining text as a commit message and
pushed the result.
Matthias
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