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c2e9e90742
xencapstest calls xenHypervisorMakeCapabilitiesInternal with conn == NULL which calls xenDaemonNodeGetTopology with conn == NULL when a recent enough Xen was detected (sys_interface_version >= SYS_IFACE_MIN_VERS_NUMA). But xenDaemonNodeGetTopology insists in having conn != NULL and fails, because it expects to be able to talk to an actual xend. We cannot do that in a 'make check' test. Therefore, only call the xend subdriver function when conn isn't NULL. Reported by Andy Howell and Jim Fehlig.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>