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Using default boot option "Ubuntu, with Linux 5.4.0-42-generic" leads to slowness and multiple monitor errors

Ask Ubuntu Asked by nfherrin on December 29, 2021

My desktop has two pretty new SSD hard drives (a couple months old each). One of them has Windows 10 which I use for gaming, the other has Ubuntu 18.04.4 LTS which I use for work. CPU is Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz, RAM is 32 GB DDR4, graphics card is a NVIDIA GeForce GTX 1070, and motherboard is a MSI MS7972. I have dual monitors attached directly to graphics card output, one in a DVI the other in a DisplayPort.

Up until today this desktop worked fine without a hitch (built in late 2016, two SSDs are the only new parts since first build). It even worked fine yesterday evening. This morning though, I boot up with the default Ubuntu option and my second monitor isn’t detected, additionally the system is running EXTREMELY slow. I boot into Windows and everything is working fast and both monitors are detected and running just fine. Even start up Witcher 3 and run it a bit to make sure everything is going smooth. I boot again, this time choosing advance Ubuntu options and running Ubuntu, with Linux 5.4.0-42-generic. Again the system is EXTREMELY slow and only one monitor is detected. So I instead I boot up again with Ubuntu, with Linux 5.3.0-62-generic. Now both monitors are detected and it is running as fast as ever.

I did some searching and found some threads with people suggesting an investigation of any BIOS settings that might be slowing down the CPU. I couldn’t find any settings that seemed like they would slow it down and I couldn’t find a similar question anywhere. I assume the issue is related to an update but I’m not sure how/what caused it. I’m concerned that as new updates comes out, the option Ubuntu, with Linux 5.3.0-62-generic may also get the same issues for me and then I’ll be kind of stuck. For now using Ubuntu, with Linux 5.3.0-62-generic is fine, but I’d really like my default and the latest startup option to work again.

One Answer

This looks like Ubuntu bug #1888617. The proprietary nvidia-driver-435 does not build with kernel 5.4.0-42.

To fix, upgrade the nvidia driver:

$ sudo ubuntu-drivers autoinstall

This should install the latest driver. Reboot, boot kernel 5.4.0, and everything should work again.

To check which nvidia drivers are available for your graphics card:

$ sudo ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00001C20sv00001A58sd00002001bc03sc00i00
vendor   : NVIDIA Corporation
model    : GP106M [GeForce GTX 1060 Mobile]
driver   : nvidia-driver-390 - distro non-free
driver   : nvidia-driver-435 - distro non-free
driver   : nvidia-driver-440 - distro non-free recommended
driver   : xserver-xorg-video-nouveau - distro free builtin

To check installed driver:

$ dpkg -l 'nvidia-driver*'
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                  Version         Architecture    Description
+++-=====================-===============-===============-================================================
ii  nvidia-driver-440     440.100-0ubuntu amd64           NVIDIA driver metapackage

Answered by bain on December 29, 2021

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