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I have recently installed Ubuntu 20.04 on my new Razer Blade Stealth and installed the Nvidia Driver 450, but now the boot time is weird. It takes more than two minutes for the system to boot and be responsive at all. When booting with nomodeset passed as Kernel Parameter, it boots fine in a few seconds, but then the Nvidia Driver wouldn't be loaded...

After letting it boot (without nomodeset), these errors appear multiple times after running dmesg

[  151.867350] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:83:pipe A] flip_done timed out
[  162.107787] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:136:pipe B] flip_done timed out
[  172.348571] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CONNECTOR:191:eDP-1] flip_done timed out
[  182.588656] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CONNECTOR:212:DP-3] flip_done timed out
[  192.828967] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:31:plane 1A] flip_done timed out
[  203.068850] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:84:plane 1B] flip_done timed out
[  213.308649] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:83:pipe A] flip_done timed out
[  223.548542] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:136:pipe B] flip_done timed out

I have tried multiple things from other posts in the last few days without success, such as acpi_backlight=video/none/native/vendor, video=SVIDEO-1:d. Any help would be appreciated!

Sander T
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2 Answers2

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For me the following made everything work as it should.

In /etc/default/grub edit GRUB_CMDLINE_LINUX_DEFAULT to the following GRUB_CMDLINE_LINUX_DEFAULT="intremap=off". After that run a sudo update-grub. After a reboot, everything should work fine.

Edit 2020-11-17

As user228343 suggested, GRUB_CMDLINE_LINUX_DEFAULT="intremap=off quiet splash button.lid_init_state=open" works perfectly to also make suspending work.

Sander T
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The solution provided by @Sander T works to get the nvidia drivers functioning properly, but then once the laptop suspends, it went into the sleep loop. This was solved using: https://help.ubuntu.com/community/RazerBlade So my final grub update has:

GRUB_CMDLINE_LINUX_DEFAULT="intremap=off quiet splash button.lid_init_state=open"
Error404
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