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Old 10-20-2021, 11:56 AM   #1
Junior Member
Join Date: Oct 2021
Posts: 1
Default Crash when DisplayPort monitor connected on Plasma

Hi, I just bought a Displayport monitor and when connecting it through USB-C and DisplayLink on my Ubuntu 21.04 a really weird behavior happens. The moment I connect the monitor KDE-Plasma applications start to randomly crash and from then they cannot be started anymore. Looking at the logs I can repeatedly (around 3 million times!!) see the message:
[warn] epoll_wait: Bad file descriptor

If I disconnect the monitor or if I connect it through regular HDMI the problem instantly disappears.

I don't really know if it's a plasma or displaylink bug. The problem does not happen with other non plasma applications (chrome, firefox...)

I'll file a bug on KDE as well.

Any hint what can be wrong?
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