Re: Problem with shutting down the Xserver

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

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