Plex Media Server install fails on Ubuntu 20.04 due to ckb-next

Plex Media Server Desktops & Laptops
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Server Version#: Version 1.22.1.4200
Player Version#: n/a

For reasons I’ll not get into here I’ve needed to move off Fedora and over to Ubuntu and during that process I ran into a installation error with plex which had me stumped. The cause was a bit odd so said I’d pass along in case anyone else runs into it:

During plex install sudo dpkg -i plexmediaserver_1.22.1.4200-c073686f2_amd64.deb the following error is reported:

Failed to write 'change' to '/sys/devices/virtual/input/input17/uevent': Cannot allocate memory
Failed to write 'change' to '/sys/devices/virtual/input/input18/uevent': Cannot allocate memory

The actual cause is ckb-next and either removing it or stopping its daemon fixed the issue. I suspect the issue is that the version via the public repro (0.4.2) has some bug which is locking the update of the UDEV rules. Anyhow, a better solution is update to the latest version (0.4.4) via the following or just remove it.

> sudo add-apt-repository ppa:tatokis/ckb-next
> sudo apt-get update && sudo apt-get install ckb-next

@ChuckPa you may know this already but wanted to tag you in case this comes up again. Many folks won’t have this package installed but I’m guessing some will. Might even be worth a note in the install instructions but will let you decide what is best.

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@anon5074910

Thanks for letting me know but it’s not possible for me to warn against all the possible failures in the actual installer itself.

Those Corsair drivers have a history of being “weird” . The drivers aren’t very well behaved and , like a few of the IR remote drivers, cause udev rule problems with other packages.

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No worries – topic is here anyhow in case someone runs into this again.

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