On Fri, Mar 10, 2017 at 06:40:00AM -0800, Bob Halley wrote: > I build from the master branch about once a week. I had no problem > with last week's build made early in the morning California time on > Sunday the 6th, but the build I just made this morning becomes > completely unresponsive after a short time. I don't have an exact > recipe to reproduce -- I was just typing, and then stopped for a > bit, and then it became completely unresponsive. This happens every > time I try to use it. > > I suspect one or both of these changes: > > a65236214d9202fb69a6ba5169d4ac1a4bcb0b0d > 3bd2e9e975ed29daaf03ca7559e4664aade0674f > > as they are new since my last working build and seem to be relevant. > > I obtained backtraces of all the threads. I did two snapshots of > thread 1 as it seemed to be spinning a bit. Thanks for that, Bob. I noticed these hangs too, but I haven’t actually managed to catch one in the debugger yet. Can you please try the attached patch? I’m not at all sure it’ll fix it, but it’ll be good to rule it out. -- Alan Third