If you’re currently running a Xen hypervisor on a Fedora release before 22, stay put for now. There’s a bug in Xen when you compile it with GCC 5 that will cause your system to get an error during bootup. In my case, I’m sometimes getting the crash shortly after the hypervisor to dom0 kernel handoff and sometimes it’s happening later in the boot process closer to when I’d expect a login screen to appear.
I’ve floated back and forth between graphical IRC clients and terminal-based clients for a long time. However, I was sad to see that irssi wouldn’t build via MacPorts on OS X Lion. During the build, I saw quite a few errors from the compiler: -E, -S, -save-temps and -M options are not allowed with multiple -arch flags Sure enough, when I looked at the lines in the output, both x86_64 and i386 were passed to the compiler: