Thanks. It looks like the problem is:

oct 24 10:23:57 jorge-G5-KD gnome-shell[3546]: Failed to post KMS
update: Failed to set mode 1920x1080_60.00 on CRTC 98: Invalid argument

Although I also notice you have unsupported graphics packages installed:

libdrm-amdgpu1 2.4.113+git2210180500.a81b9a~oibaf~j [origin: unknown]
libdrm-common 2.4.113+git2210180500.a81b9a~oibaf~j [origin: unknown]
libdrm-intel1 2.4.113+git2210180500.a81b9a~oibaf~j [origin: unknown]
libdrm-nouveau2 2.4.113+git2210180500.a81b9a~oibaf~j [origin: unknown]
libdrm-radeon1 2.4.113+git2210180500.a81b9a~oibaf~j [origin: unknown]
libdrm2 2.4.113+git2210180500.a81b9a~oibaf~j [origin: unknown]

Those packages happen to be responsible for the function that's failing
above.

I'm going to see if I can reproduce the bug with the supported packages
before blaming the oibaf PPA. Although it does often cause bugs (which
we can't fix or support here).

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https://bugs.launchpad.net/bugs/1994000

Title:
  Can't log in anymore after setting MUTTER_DEBUG_FORCE_KMS_MODE=simple

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