Ubuntu
linux package

  1. Bionic (18.04)
  2. Bug #1714178
  3. Comment #34

Comment 34 for bug 1714178

Revision history for this message
In , ethan.hsieh (ethan.hsieh) wrote :

Created attachment 133920
Xorg.0.log

After applying the following patch, all three screens turn into black screens after I change the display mode from mirror mode to extended mode.
(Please refer to the attached Xorg.0.log)

hw/xfree86/drivers/modesetting/drmmode_display.c:
-xf86CrtcSetSizeRange(pScrn, 320, 200, mode_res->max_width, mode_res->max_height);
+xf86CrtcSetSizeRange(pScrn, 320, 200, INT16_MAX, INT16_MAX);