On Fri, Jul 27, 2018 at 04:17:02PM +0800, Paul Goyette wrote: > On Fri, 27 Jul 2018, Martin Husemann wrote: > > > On Fri, Jul 27, 2018 at 08:26:12AM +0800, Paul Goyette wrote: > > > Has anyone else seen anything similar? Any suggestions on how to debug > > > this > > > further? > > > > For debugging: make sure you have the debug and xdebug sets installed. > > Make the system accessible via ssh. When the problem happens again: > > from another machine ssh in, pgrep for the X server, use gdb -p to attach > > to it and get a backtrace. > > "ssh in" won't work - the machine is non-responsive to network. :(
That bit reminds me of kern/53398 : network would disappear when changing to / from vt running X. After the last round of world building, that heavy disk thrashing stopped, and the network isn't affected... Cheers, Patrick
