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In Fedora 20, libvirt_lxc crashes immediately at startup with a trace #0 0x00007f0cddb653ec in free () from /lib64/libc.so.6 #1 0x00007f0ce0e16f4a in virFree (ptrptr=ptrptr@entry=0x7f0ce1830058) at util/viralloc.c:580 #2 0x00007f0ce0e2764b in virResetError (err=0x7f0ce1830030) at util/virerror.c:354 #3 0x00007f0ce0e27a5a in virResetLastError () at util/virerror.c:387 #4 0x00007f0ce0e28858 in virEventRegisterDefaultImpl () at util/virevent.c:233 #5 0x00007f0ce0db47c6 in main (argc=11, argv=0x7fff4596c328) at lxc/lxc_controller.c:2352 Normally virInitialize calls virErrorInitialize and virThreadInitialize, but we don't link to libvirt.so in libvirt_lxc, and nor did we ever call the error or thread initializers. I have absolutely no idea how this has ever worked, let alone what caused it to stop working in Fedora 20. In addition not all code paths from virLogSetFromEnv will ensure virLogInitialize is called correctly, which is another possible crash scenario. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> (cherry picked from commit 97973ebb7a64a3be6710ddd38d124307991ad7cb)
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>