INFO: mock.py version 1.1.38 starting... Start: init plugins INFO: selinux enabled Finish: init plugins Start: run INFO: Start(libusnic_verbs-1.1.0.237-4.el7.src.rpm) Config(c7.01.u-x86_64) Start: lock buildroot Start: clean chroot Finish: clean chroot Finish: lock buildroot Start: chroot init Start: lock buildroot Mock Version: 1.1.38 INFO: Mock Version: 1.1.38 INFO: calling preinit hooks Start: device setup Finish: device setup Start: yum update Finish: yum update Finish: lock buildroot Finish: chroot init INFO: Installed packages: Start: build phase for libusnic_verbs-1.1.0.237-4.el7.src.rpm Start: device setup Finish: device setup Start: build setup for libusnic_verbs-1.1.0.237-4.el7.src.rpm ERROR: Exception(libusnic_verbs-1.1.0.237-4.el7.src.rpm) Config(c7.01.u-x86_64) 1 minutes 1 seconds INFO: Results and/or logs in: logs/c7.1511.00/libusnic_verbs/20151120045105/1.1.0.237-4.el7.x86_64 INFO: Cleaning up build root ('clean_on_failure=True') Start: lock buildroot Start: clean chroot INFO: chroot (/srv/build/7/D/mock-root/c7.01.u-x86_64) unlocked and deleted Finish: clean chroot Finish: lock buildroot ERROR: Command failed: # ['/usr/bin/yum-builddep', '--installroot', '/srv/build/7/D/mock-root/c7.01.u-x86_64/root/', '/srv/build/7/D/mock-root/c7.01.u-x86_64/root///builddir/build/SRPMS/libusnic_verbs-1.1.0.237-4.el7.src.rpm', '--setopt=tsflags=nocontexts'] Getting requirements for libusnic_verbs-1.1.0.237-4.el7.src --> libibverbs-devel-1.1.8-8.el7.x86_64 --> libnl3-devel-3.2.21-10.el7.x86_64 --> 1:valgrind-devel-3.10.0-7.el7.x86_64 Error: systemd conflicts with dracut-033-241.el7_1.5.x86_64 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest