kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:crtc-0] flip_done timed out
Problem
The following error messages are logged in messages file while the server is running:
kernel: [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:crtc-0] flip_done timed out
Solution
For safety reasons, please create a virtual machine snapshot. How-to Request Virtual Machine Snapshot
Currently this bug has been reported and has no solution. This is a workaround that has been tested on Ubuntu 20.x:
Edit the file: /etc/default/grub and the following text:
modprobe.blacklist=vmwgfx
file: /etc/default/grub.. GRUB_CMDLINE_LINUX_DEFAULT="maybe-ubiquity ipv6.disable=1 modprobe.blacklist=vmwgfx" ...
Update grub
Reboot the server
Log in and verify the error is no longer in the error logs:
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