9 Sep
2018
9 Sep
'18
5:57 a.m.
https://bugs.freedesktop.org/show_bug.cgi?id=107784
--- Comment #21 from Dmitrii Tcvetkov demfloro@demfloro.ru --- (In reply to Sylvain BERTRAND from comment #20)
Roughly, if you have a cpu with a frequency above 4.2GHz (max unsigned 32bits), linux time subsystem gets broken leading to the timeouts in displayport programming. Ofc, my cpu runs at 4.7GHz.
I hit the bug on AMD FX-9590 machine with RX 580 and 2 displayport monitors. As for you bisect wasn't successful for me and led me to network merge commit.
Looks like you're right! If I downclock the CPU to 4.2 GHz then current mainline master (f8f65382c98a28e3c2b20) boots fine.
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