[Bug 230172] FreeBSD 11.2 fails to boot on Celeron J1900 after upgrade from 11.1 (ACPI indicates no VGA)
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Date: Tue, 22 Feb 2022 18:22:23 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230172
Ed Maste <emaste@freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|FreeBSD 11.2 fails to boot |FreeBSD 11.2 fails to boot
|on Celeron J1900 after |on Celeron J1900 after
|upgrade from 11.1 |upgrade from 11.1 (ACPI
| |indicates no VGA)
--- Comment #54 from Ed Maste <emaste@freebsd.org> ---
This hardware sets the "VGA Not Present" flag, described as:
> If set, indicates to OSPM that it must not blindly probe the VGA hardware
> (that responds to MMIO addresses A0000h-BFFFFh and IO ports 3B0h-3BBh and
> 3C0h-3DFh) that may cause machine check on this system. If clear, indicates
> to OSPM that it is safe to probe the VGA hardware.
Could users of affected machines get an ACPI dump and attach it to this PR?
(acpidump -dt)
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