On Fri, Jun 6, 2014 at 12:49 AM, Eli Zaretskii wrote: > > I took a look at the backtrace as well, and of the 3800 calls on the > list, > > ~3700 of them are from either mark_object or mark_vectorlike. > > Are you sure it is hung, and not in some very long GC? I see nothing > wrong in the backtrace you sent, it just shows that Emacs is > collecting garbage. Lots of it. It is not unusual for GC to have > tens of thousands of recursive calls to mark_object, because GC is > highly recursive. > Not sure at all, but before I decided it was hung I let it sit for several seconds at least. > > I'm not sure what else to do (I'm not familiar with emacs c code at all), > > but I can keep the hung emacs running in the debugger pretty much > > indefinitely if that's useful. > > If you leave it running, does it eventually recover and become > responsive again? Or does it keep being stuck forever? > So I let it run in the debugger again. It is still unresponsive, though it is still blinking the cursor. It seems to be totally unresponsive to keystrokes and mouseclicks (it's a GTK windowed emacs). -- Geoff Nothing is ever easy.