* Alexandra N. Kossovsky: > Please close this bug. I definitely saw the issue yesterday, but it has > somehow gone today. I'll return to you if I see it again and understand > what triggers it. The related Fedora bug https://bugzilla.redhat.com/show_bug.cgi?id=1596312 appears to have been a kernel regression (unconditional exit status zero from 32-bit processes, or something like that).