Tracking down a kernel bug with git bisectAfter a recent upgrade of my Fedora 20 system to kernel 3.15.mumble, I started running into a problem (BZ 1121345) with my Docker containers. Operations such as su or runuser would fail with the singularly unhelpful System error message: $ docker run -ti fedora /bin/bash bash-4.2# su -c 'uptime' su: System error Hooking up something (like, say, socat unix-listen:/dev/log -) to /dev/log revealed th
