Monitor becomes unknown/undetected/low resolution

[William Reilly]

reverting to 4.15.0-15 resolves issue.

Same problem regardless of recommended or legacy nvidia drivers or open software.

4.15.0-15:
$ inxi -G
Graphics: Card: NVIDIA GT218 [GeForce 210]
           Display Server: X.Org 1.18.4 drivers: nouveau (unloaded: fbdev,vesa)
           Resolution: 1280x1024@75.02hz
           GLX Renderer: NVA8 GLX Version: 3.0 Mesa 17.2.8

Monitor Dell 1907FPf

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1770291

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[William Reilly (qwidion)]

resolved. removed dkms drivers:

# dkms remove nvidia-340/340.104 --all
# dkms remove bbswitch/0.8 --all
# dkms remove ndiswrapper/1.60 --all
# dkms remove 8192cu/4.0.29 --all

[Joseph Salisbury (jsalisbury)]

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.17 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc4

[Launchpad Janitor (janitor)]

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[Launchpad Janitor (janitor)]

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