Xorg crashes with nouveau and dual screen setup

Submitted by Andrew Savchenko

Assigned to Nouveau Project

Link to original bug (#106772)

Description

Created attachment 139910
gdb.log

Hi!

I tried Nouveau (xorg-dri-nouveau-18.1.0 from mesa 18.1.0 and xorg-drv-nouveau-1.0.15) with the latest xorg-1.20 and dual monitors. With single screen and xinerama it works fine, with dual screens (w/o xinerama) it segfaults, see log below.

I want to use separate X screens, since monitors have sufficiently different DPI and color temp and Xinerama doesn't allow different DPI on different monitors.

Kernel in use is 4.6.13 with nouveau built as module.

Attachment 139910, "gdb.log":
gdb.txt