I’m trying to catch a boot freeze, that occurs right before GDM starts. I already have rhgb
and quiet
removed from the boot arguments, so I can see the boot log, but the freeze happens when the boot log is cleared from the screen, right before GDM starts, where the screen shows only a blank cursor (“_”). Is there any way to not clear the screen, and instead keep showing the boot log?
You can try booting to the multi-user mode aka runlevel 3:
Then analyze /var/log/boot.log
and journalctl -b
.
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# grep ^TTYVTDis /etc/systemd/system/getty.target.wants/getty@tty1.service
TTYVTDisallocate=no
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