After reversing the following commit, I was able to build latest Focal
Fossa 5.4 kernel that did not cause X to freeze:
Committed by Andrea Righi <andrea.ri...@canonical.com>
25.11.2019 14.56.25 +0100
commit be779101bc2fc3f675a1df11c4abaec017add984
Author: Andy Whitcroft <a...@canonical.com>
Date: Wed Apr 16 19:40:57 2014 +0100
UBUNTU: SAUCE: vt -- maintain bootloader screen mode and content until vt
switch
Introduce a new VT mode KD_TRANSPARENT which endevours to leave the current
content of the framebuffer untouched. This allows the bootloader to insert
a graphical splash and have the kernel maintain it until the OS splash
can take over. When we finally switch away (either through programs like
plymouth or manually) the content is lost and the VT reverts to text mode.
BugLink: http://bugs.launchpad.net/bugs/1308685
Signed-off-by: Andy Whitcroft <a...@canonical.com>
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https://bugs.launchpad.net/bugs/1879949
Title:
NVIDIA GP104 [GeForce GTX 1070] [10de:1b81] Subsystem [19da:1445] Can
not log in: Failed to acquire modesetting permission
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