Created attachment 1335050 [details] Journal from Failed Upgrade Description of problem: After successfully downloading F27 packages with dnf system-upgrade download --releasever=27, the reboot after dnf system-upgrade reboot ended with dnf failing with Error in `/usr/libexec/system-python' free() invalid pointer. Additional info: I successfully upgraded two other systems without any problems. dnf-2.7.2-1.fc26.noarch $ uname -r 4.13.4-200.fc26.x86_64
I guess it's the same issue... *** This bug has been marked as a duplicate of bug 1498207 ***