Hi, List, I am seeing following problems when building libvirt-1.0.0-1.fc17.src.rpm. The first failed test case is xml2sexprtest as you can see below. $ sudo rpmbuild -ba SPECS/libvirt.spec + make check TEST: virshtest ........................................ 40 ........... 51 OK TEST: sockettest ...................................... 38 OK TEST: virbuftest .... 4 OK TEST: commandtest ..................... 21 OK TEST: virhashtest .............. 14 OK TEST: virnetmessagetest ..... 5 OK TEST: virnetsockettest ............... 15 OK TEST: viratomictest .. 2 OK TEST: utiltest ... 3 OK TEST: virnettlscontexttest ........................................ 40 ........ 48 OK TEST: shunloadtest . 1 OK TEST: virtimetest ............... 15 OK TEST: viruritest .................. 18 OK TEST: virkeyfiletest . 1 OK TEST: virauthconfigtest ...... 6 OK TEST: virbitmaptest ...... 6 OK TEST: virlockspacetest ....... 7 OK TEST: securityselinuxtest TEST: virdrivermoduletest ....... 7 OK TEST: xml2sexprtest .!.!!.....................!..!!!!.!!!!!! 40 !!!!!!!!!!... 53 FAIL TEST: sexpr2xmltest ........................................ 40 ........... 51 OK TEST: xmconfigtest ..............!.!.!.!.!.!.!.!.!.!.!.!.!. 40 !.!.!.!.!.!.!.!.!...!.!.!. 66 FAIL TEST: xencapstest .......... 10 OK TEST: statstest TEST: reconnect TEST: qemuxml2argvtest ........................................ 40 ........................................ 80 ........................................ 120 ........................................ 160 ........................................ 200 ........................................ 240 ...... 246 OK TEST: qemuxml2xmltest ........................................ 40 ........................................ 80 ................................... 115 OK TEST: qemuxmlnstest ....... 7 OK TEST: qemuargv2xmltest ........................................ 40 ................................... 75 OK TEST: qemuhelptest ................ 16 OK TEST: domainsnapshotxml2xmltest ....... 7 OK TEST: qemumonitortest .. 2 OK TEST: qemumonitorjsontest !!!!! 5 FAIL TEST: esxutilstest .... 4 OK TEST: vmx2xmltest ........................................ 40 .......... 50 OK TEST: xml2vmxtest ........................................ 40 ..... 45 OK TEST: networkxml2xmltest ................ 16 OK TEST: networkxml2argvtest ......... 9 OK TEST: nwfilterxml2xmltest ........................................ 40 . 41 OK TEST: storagevolxml2xmltest ....... 7 OK TEST: storagepoolxml2xmltest ............. 13 OK TEST: nodedevxml2xmltest ............. 13 OK TEST: interfacexml2xmltest ................... 19 OK TEST: cputest ........................................ 40 .......................... 66 OK TEST: eventtest ............... 15 OK TEST: libvirtdconftest ....................................... 39 OK make[1]: *** [check-TESTS] Error 1 make: *** [check-am] Error 2 error: Bad exit status from /var/tmp/rpm-tmp.E2o2Vs (%check) Bad exit status from /var/tmp/rpm-tmp.E2o2Vs (%check) Not sure whether the failures are related to xml. Anyway, following is a list of xml packages installed, python-lxml-2.2.3-1.1.el6.x86_64 xmldb-api-sdk-0.1-0.4.20011111cvs.1.5.el6.noarch xmlto-0.0.23-3.el6.x86_64 xmlrpc-c-1.16.24-1209.1840.el6.x86_64 xml-commons-resolver-1.1-4.18.el6.x86_64 xmlrpc-c-client-1.16.24-1209.1840.el6.x86_64 xmldb-api-0.1-0.4.20011111cvs.1.5.el6.noarch xmlrpc3-client-3.0-4.15.el6.noarch xmlgraphics-commons-1.3.1-1.1.el6.noarch libxml2-devel-2.7.6-4.el6_2.4.x86_64 libxml2-2.7.6-4.el6_2.4.x86_64 xml-common-0.6.3-32.el6.noarch perl-libxml-perl-0.08-10.el6.noarch libxml2-python-2.7.6-4.el6_2.4.x86_64 xml-commons-apis-1.3.04-3.6.el6.x86_64 # cat /proc/version Linux version 2.6.32-279.el6.x86_64 (mockbuild@c6b9.bsys.dev.centos.org) (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) ) #1 SMP Fri Jun 22 12:19:21 UTC 2012 Thanks, Frank