Comment 6 for bug 1892973

Thanks. This appears to be an Nvidia hardware or driver fault.

Since this is the first time I've ever seen this (other Nvidia users don't seem to encounter the same issue) I would suggest the simplest solution would be to change the graphics card. Otherwise you will need to seek support from Nvidia themselves.

The recurring problems are:

Aug 28 09:42:35 greystone /usr/lib/gdm3/gdm-x-session[2279]: (WW) NVIDIA(0): WAIT (2-S, 17, 0x00e4, 0x00003fb8, 0x00004a1c)
Aug 28 09:42:42 greystone /usr/lib/gdm3/gdm-x-session[2279]: (WW) NVIDIA(0): WAIT (1-S, 17, 0x00e4, 0x00003fb8, 0x00004a1c)
Aug 28 09:42:45 greystone /usr/lib/gdm3/gdm-x-session[2279]: (WW) NVIDIA(0): WAIT (2-S, 17, 0x00e4, 0x00003fb8, 0x00004a1c)

and

Aug 28 09:08:05 greystone /usr/lib/gdm3/gdm-x-session[1681]: (EE) NVIDIA(GPU-0): WAIT (2, 8, 0x8000, 0x000009a8, 0x00001f44)
Aug 28 09:08:12 greystone /usr/lib/gdm3/gdm-x-session[1681]: (EE) NVIDIA(GPU-0): WAIT (1, 8, 0x8000, 0x000009a8, 0x00001f44)
Aug 28 09:08:19 greystone kernel: nvidia-modeset: WARNING: GPU:0: Lost display notification (0:0x00000000); continuing.
Aug 28 09:08:33 greystone kernel: nvidia-modeset: ERROR: GPU:0: Idling display engine timed out: 0x0000917d:0:0:954
Aug 28 09:08:44 greystone /usr/lib/gdm3/gdm-x-session[1681]: (EE) NVIDIA(GPU-0): WAIT (2, 8, 0x8000, 0x000009a8, 0x00001f4c)
Aug 28 09:08:51 greystone /usr/lib/gdm3/gdm-x-session[1681]: (EE) NVIDIA(GPU-0): WAIT (1, 8, 0x8000, 0x000009a8, 0x00001f4c)
Aug 28 09:10:03 greystone kernel: nvidia-modeset: ERROR: GPU:0: Idling display engine timed out: 0x0000917d:0:0:954
Aug 28 09:12:54 greystone rsyslogd[1394]: -- MARK --
Aug 28 09:13:04 greystone kernel: nvidia-modeset: ERROR: GPU:0: Idling display engine timed out: 0x0000917d:0:0:954
Aug 28 09:16:05 greystone kernel: nvidia-modeset: ERROR: GPU:0: Idling display engine timed out: 0x0000917d:0:0:954