I have noticed a very weird behaviour of the system at boot (same thing was when system was instaled.
So, my laptop freezes many times during the boot (also did this while instaling process)and only pressing a key (doesn’t matter which one) or moving mouse unfreezes it. In order to start the system I need to keep pressing the button. No freezing after system is started and everything works fine there.
I have new clean install of 11.2. My laptop is Compal JFL92.
I did some checking and found that this problem (bug) appeared some time ago. The problem occurs on certain ACPI BIOSes.
There is a workaround for affected systems: Use of “acpi_skip_timer_override” as kernel command line option. Sometimes “nohpet” or “acpi=noirq” have been reported to work, too.