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Just upgraded to Ubuntu 20 from 18. After splash screen cursor blinks
and nothing happens. So boot into recovery mode. From what I read on
stackoverflow etc this is related to Nvidia driver.
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.3 LTS
Release: 20.04
ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:03.0/0000:02:00.0 ==
modalias : pci:v000010DEd000006E4sv00001043sd0000830Cbc03sc00i00
vendor : NVIDIA Corporation
model : G98 [GeForce 8400 GS Rev. 2]
driver : nvidia-340 - distro non-free recommended
driver : xserver-xorg-video-nouveau - distro free builtin
dmesg | grep -i nvidia
[ 6.755975] audit: type=1400 audit(1639843935.149:4): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=340
comm="apparmor_parser"
[ 6.756075] audit: type=1400 audit(1639843935.149:5): apparmor="STATUS"
operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod"
pid=340 comm="apparmor_parser"
[ 7.147366] nvidia: loading out-of-tree module taints kernel.
[ 7.147373] nvidia: module license 'NVIDIA' taints kernel.
[ 7.153255] nvidia: module verification failed: signature and/or required
key missing - tainting kernel
[ 7.193816] nvidia 0000:02:00.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=none:owns=io+mem
[ 7.194410] [drm] Initialized nvidia-drm 0.0.0 20150116 for 0000:02:00.0 on
minor 0
[ 7.194420] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 340.108 Wed Dec
11 11:06:58 PST 2019
[ 7.240070] nvidia_uvm: Loaded the UVM driver, major device number 241
[ 7.349712] caller os_map_kernel_space+0x6d/0xb0 [nvidia] mapping multiple
BARs
[ 7.389714] caller os_map_kernel_space+0x6d/0xb0 [nvidia] mapping multiple
BARs
[ 66.369188] caller os_map_kernel_space+0x6d/0xb0 [nvidia] mapping multiple
BARs
dpkg -l | grep nvidia
ii nvidia-340 340.108-0ubuntu5.20.04.2
amd64 NVIDIA binary driver - version 340.108
ii nvidia-opencl-icd-340 340.108-0ubuntu5.20.04.2
amd64 NVIDIA OpenCL ICD
rc nvidia-settings 440.82-0ubuntu0.18.04.1
amd64 Tool for configuring the NVIDIA graphics driver
** Affects: nvidia-graphics-drivers-340 (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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Ubuntu 20.04 freezes on nvidia nvidia-340 -
https://bugs.launchpad.net/bugs/1955326
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Packages, which is subscribed to nvidia-graphics-drivers-340 in Ubuntu.
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