[Bug 285678] kern.msgbufsize=4587520 broken again

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 26 Mar 2025 17:50:40 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285678

            Bug ID: 285678
           Summary: kern.msgbufsize=4587520 broken again
           Product: Base System
           Version: CURRENT
          Hardware: arm64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: freebsd-arm@FreeBSD.org
          Reporter: bz@FreeBSD.org
                CC: Andrew@FreeBSD.org

Hi,

ACPI booting machine:

# works:
kern.msgbufsize=1146880

# does not work:
#kern.msgbufsize=4587520

Arm64/main from the other day.

With 4M I am only getting:

Loading splash ok
No valid device tree blob found!
WARNING! Trying to fire up the kernel, but no device tree blob found!
<dead>

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