Description of problem: libvirt occasionally fails to connect to the qemu monitor, printing only process exited while connecting to monitor: fread() failed Version-Release number of selected component (if applicable): 1.3.0 How reproducible: Rare. About 3% of failures were caused by this problem in my tests. Steps to Reproduce: 1. Run virt-df repeatedly.
Marking as dupe. For background, read this thread: https://www.redhat.com/archives/libvir-list/2016-January/thread.html#00502 *** This bug has been marked as a duplicate of bug 921135 ***