Comment # 4
on bug 109499
from Nadal Gonzalo García Zavala
I'm not sure, but is possible the issue were fixed between revisions 43 and 45 of ubuntu kernel 4.15. Before upgrading the kernel, we reached a solution: - Using EDID emulators, getting xrandr showing both DisplayPort outputting 4k - Dumping the EDID to a file - Quitting emulators, conecting DisplayPorts normally with EDID firmware forced to previously generated file. Will attach our working EDID file.
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