After a little debugging on IRC we discovered a problem in the deletion of storage volumes. We were mistakenly calling virStorageVolFree(vol) even if the delete call failed. So the pool got left with a NULL storage volume, and later use of that pool could crash on this. Daniel Index: src/storage_driver.c =================================================================== RCS file: /data/cvs/libvirt/src/storage_driver.c,v retrieving revision 1.32 diff -u -p -r1.32 storage_driver.c --- src/storage_driver.c 5 Feb 2009 16:28:30 -0000 1.32 +++ src/storage_driver.c 6 Mar 2009 12:56:20 -0000 @@ -1296,7 +1296,6 @@ storageVolumeDelete(virStorageVolPtr obj ret = 0; cleanup: - virStorageVolDefFree(vol); if (pool) virStoragePoolObjUnlock(pool); return ret; -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|