Hi, we need to have more information when the problem occurs. That is,
could you specify more about "can't boot without acpi=off"? At what
stage does it hang? What's the contents of the screen at the moment?
What would happen if yiu boot with "initcall_debug earlycon=efifb" (and
don't add acpi=off)?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1884351
Title:
Firmware bug - ACPI
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