Sometimes graphics unresponsive
Hello!
Today I got my new USB-DVI-Adapter with a Displaylink inside (HP NL571AA). After a couple of trials I found that my ubuntu 16.04 loads drivers for the adapter differently, in this ways: a) Wait for boot up of computer, then connect the displaylink-adapter: Code:
$ lsmod | grep udl b) Connect the adapter with computer off, then start the computer: Code:
$ lsmod | grep udl - I have a picture as desktop background - the monitor connected to the displaylink-adapter is not fully covered by windows, so that parts of the picture can be seen. If I choose a solid color background, the behaviour of b) is the same as a) (so everything is fine). If I maximize a window on the monitor connected to the displaylink-adapter, the behaviour of b) is also the same as a). Unplugging the adapter in case b) results also in a crash of my X session, so I have to login again. If I then disconnect the adapter and unload the module udl Code:
sudo rmmod udl Code:
$ lsmod | grep udl My question is: How can I make b) behave like a) without all the trouble? I'm using ubuntu 16.04 with up-to-date packages and your driver in version 1.1.62. Thank you for your help! |
Try blacklisting udl module, so it's never loaded.
Cheers, Michal |
Maaaan!! I need your brain!!
Code:
$ echo blacklist udl > /etc/modprobe.d/blacklist-displaylink.conf Code:
$ lsmod | grep udl Then I tried again, this time with the update-initramfs. It works! Everything on warp 10 again :-) Thank you very much! |
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