Try booting with the vesafb.anything=1 kernel parameter.
This wiki page has details about how to add a kernel boot parameter for testing:
https://wiki.ubuntu.com/Kernel/KernelBootParameters
Also, try removing 'splash quiet' from the kernel options and see if that matters. That should bypass plymouth which sometimes can leave the GPU in an inconsistent state.
Try booting with the vesafb.anything=1 kernel parameter.
This wiki page has details about how to add a kernel boot parameter for
testing:
https:/ /wiki.ubuntu. com/Kernel/ KernelBootParam eters
Also, try removing 'splash quiet' from the kernel options and see if that matters. That should bypass plymouth which sometimes can leave the GPU in an inconsistent state.