On Wed, Jul 27, 2016 at 15:28:00 +0200, Vincent Danjean wrote: > Somtimes, when trying to desactivate my external screen, I get a segfault: > vdanjean@eyak:~$ xrandr --output VGA1 --off --output VIRTUAL1 --off --output > DP-1-1 --off --output DP-1-2 --off --output DP-1-3 --off --output eDP1 --auto > --primary > Floating point exception (core dumped) > That's not a segfault...
> I'm not sure the bug comes from xrandr itself. Perhaps it is in an > underlining driver, as > I get a very suspiscous "resolution" value from xdpyinfo for example: > vdanjean@eyak:~$ xdpyinfo | grep -B 100 -A 20 resolution [...] > screen #0: > dimensions: 3840x2160 pixels (0x0 millimeters) > resolution: -2147483648x-2147483648 dots per inch The divide by 0 is a bug in xrandr. The 0mm is arguably a bug in the driver. Cheers, Julien
