On Thu, Feb 04, 2016 at 08:39:43AM +0000, David Dahlberg wrote: > Am Mittwoch, den 03.02.2016, 15:29 -0500 schrieb Samir Parikh: > > I am running version 5.8 (amd64) on a Lenovo Thinkpad T450s > > with a fairly default installation. > > The T405s is a Broadwell. > > > I have a few issues to sort out but my first concern is that I cannot > > exit out of FVWM. I launch it via the command startx while logged in > > as > > root. When I go to exit (left mouse click on the desktop > Exit), > > the > > system just hangs which requires me to forcefully power down the > > laptop. > > If you investigate more closely, you will probably find out, that the > system still works, just the graphics is fscked up: Try logging in via > ssh, or shutting down the system by blindly typing into ttyC0. > > Broadwell graphics support was added a while ago. IIRC 5.8 should have > some basic support, but still a few bugs. By now (-current) it is petty > stable though. > > > Any ideas or suggestions? > > 1) Use modesetting(4) in xorg.conf and wait for 5.9
The update that added Broadwell related parts to inteldrm went in after 5.8. The modesetting driver requires kms support. So yes, use snapshots. > 2) Avoid the vulnerable code paths (e.g. "shutdown" in wm) > and wait for 5.9 > 3) Update to a recent snapshot.