This has no relationship to bug #342926.
To diagnose this issue it'd be useful to see the output of the lspci command for the video adaptor.
sudo sh -c 'lspci -nnvvvxxxx -q -d10de:* > /tmp/nvidia-lspci.log'
and then attach /tmp/nvidia-lspci.log to this bug report.
This has no relationship to bug #342926.
To diagnose this issue it'd be useful to see the output of the lspci command for the video adaptor.
sudo sh -c 'lspci -nnvvvxxxx -q -d10de:* > /tmp/nvidia- lspci.log'
and then attach /tmp/nvidia- lspci.log to this bug report.