Hi folks,
Similar story here, as detailed in comments in this thread:
https://askubuntu.com/questions/1184366/lagging-after-update-to-19-10-from-19-04/1184571?noredirect=1#comment2050464_1184571
Then my own post:
https://askubuntu.com/questions/1219696/video-lag-after-updating-to-19-10-from-19-04
But no improvements as yet.
Summary of above threads: update from 19.04 to 19.10 started the issue, the
nvidia driver is probably the problem since various kernel changes haven't
helped (currently using 5.6.1). I can't use the nouveau/xorg open driver as
it's limited to 1024*768, and an xrandr bug prevents adding new modes.
Xubuntu 19.10
sudo apt-cache policy nvidia-driver-440
nvidia-driver-440:
Installed: 440.64-0ubuntu0~0.19.10.2
Candidate: 440.64-0ubuntu0~0.19.10.2
Version table:
*** 440.64-0ubuntu0~0.19.10.2 500
500 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu eoan/main
amd64 Packages
100 /var/lib/dpkg/status
ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:03.1/0000:07:00.0 ==
modalias : pci:v000010DEd00001B06sv00001458sd0000374Cbc03sc00i00
vendor : NVIDIA Corporation
model : GP102 [GeForce GTX 1080 Ti]
driver : nvidia-driver-390 - third-party free
driver : nvidia-driver-440 - third-party free recommended
driver : nvidia-driver-435 - distro non-free
driver : xserver-xorg-video-nouveau - distro free builtin
I'm not sure which of Harrison's log files it would be useful for me to post so
please let me know and I'll try to generate them.
I've also noticed the bug is worse in some programs than others. If I hold down
the arrow key in libreoffice, it'll scroll prettymuch normally. Whereas if I do
the same in RStudio (IDE) it'll lag before moving, then pause intermittently.
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https://bugs.launchpad.net/bugs/1868009
Title:
Xorg high CPU usage and stuttering with the Nvidia driver
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