Score:0

Reboot to black screen Kernel 5.11

de flag

I am running Ubuntu 20.04.3. After upgrade to Kernel 5.11.0-27-generic when I reboot the computer, it starts with a black screen and no grub menu appears. If I turn off the computer and then on there is no problem. I checked with previous kernel 5.8.0-63-generic and it didn't have this issue.

Nmath avatar
ng flag
How did you upgrade the kernel? Are you using HWE? Do you mean to say that switching to 5.8.0-63 fixes the issue- is this a typo in your question?
heynnema avatar
ru flag
Is it *"I checked with previous kernel 5.8.0-63-generic and it did have this issue."*, or *"I checked with previous kernel 5.8.0-63-generic and it did NOT have this issue."*? Did you update your video drivers for the newer kernel? Did you rebuild your /boot/initrd.img-5.11.0-27-generic? Show me `ls -al /boot`.
guiverc avatar
cn flag
You can always opt to use the GA kernel stack for Ubuntu 20.04 LTS (https://wiki.ubuntu.com/Kernel/LTSEnablementStack), in fact can have both installed and select at boot/grub which you'll use. The GA kernel is the most *stable*, is fully-patched (is default for some ISO installs) and a safer option than a 5.8 that's no longer supported/patched.
de flag
There was a typo, 5.8.0-63 fixes the issue. I just upgraded with sudo apt-get dist-upgrade. I have both kernels installed, if I select 5.8 with grub it works fine; when I boot with 5.11 I have the problem.
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