When running through this test case: https://fedoraproject.org/wiki/QA:Testcase_Certificate_Trust:Edit_Trust_In_Firefox Got this output: p11-kit: shouldn't be reached at sys_C_Logout p11-kit: shouldn't be reached at sys_C_Logout Although things completed as expected.
p11-kit-0.18.0-1.fc19 has been submitted as an update for Fedora 19. https://admin.fedoraproject.org/updates/p11-kit-0.18.0-1.fc19
Package p11-kit-0.18.0-1.fc19: * should fix your issue, * was pushed to the Fedora 19 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing p11-kit-0.18.0-1.fc19' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2013-4866/p11-kit-0.18.0-1.fc19 then log in and leave karma (feedback).
p11-kit-0.18.0-1.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.