Nvidia 430.14 -- Monitor disconnects when X starts

Graphics / Linux Linux
1

After upgrading to nvidia driver 430.14, my monitor disconnects as soon as I start X. I tried turning the monitor off and on. I also tried to kill X from an SSH session. Neither of these resulted in the monitor being reconnected. I have to downgrade to 418.74 in order to be able to get a working X session

I see these messages in my journalctl

May 20 18:00:47 Friedrich kernel: nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms  430.14  Tue May  7 19:58:01 CDT 2019
May 20 18:00:47 Friedrich kernel: [drm] [nvidia-drm] [GPU ID 0x00004200] Loading driver
May 20 18:00:47 Friedrich kernel: [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:42:00.0 on minor 0
May 20 18:00:54 Friedrich kernel: nvidia-modeset: WARNING: GPU:0: Lost display notification (0:0x00000000); continuing.
May 20 18:01:34 Friedrich kernel: nvidia-modeset: ERROR: GPU:0: Idling display engine timed out: 0x0000987d:0:0
May 20 18:01:44 Friedrich kernel: NVRM: GPU at PCI:0000:42:00: GPU-350f617c-d6b1-42ff-d467-0ab1d2f73c8e
May 20 18:01:44 Friedrich kernel: NVRM: GPU Board Serial Number:
May 20 18:01:44 Friedrich kernel: NVRM: Xid (PCI:0000:42:00): 16, Head 00000000 Count 00000005
May 20 18:01:52 Friedrich kernel: NVRM: Xid (PCI:0000:42:00): 16, Head 00000000 Count 00000006
May 20 18:02:00 Friedrich kernel: NVRM: Xid (PCI:0000:42:00): 16, Head 00000000 Count 00000007

nvidia-bug-report.log.gz (1.1 MB)

2

I’m facing the same problem.

If I turn on KMS, then my screen turns black even before X starts. With KMS off, I get access to console, but screen shuts down when I start X.

As a workaround, what I can do is to plug the monitor to the onboard video adapter, then start X and it will turn on, then I can re-plug the monitor on the Nvidia card.