Ubuntu
xorg-server package

  1. Bug #835945
  2. Comment #4

Comment 4 for bug 835945

Revision history for this message
Tormod Volden (tormodvolden) wrote : Re: Hansol H750 giving wrong EDID refresh rate

Thanks for your (new) report. The old one seems to have been forgotten and died. The issue here is clear: The monitor is reporting bad data in the EDID. From the xrandr output you posted in the other report:
 1280x1024 (0x3d) 599.5MHz +HSync +VSync *current
which is also seen in your ddcprobe output:
 dtiming: 1280x1024@392

I believe there is no bug in the drivers, but a quirk (hardware-specific workaround) should be added for your type of monitor.