[Bug 256389] [PATCH] acpi: Include Samsung laptops in the x2APIC Sandy Bridge blacklist

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256389

            Bug ID: 256389
           Summary: [PATCH] acpi: Include Samsung laptops in the x2APIC
                    Sandy Bridge blacklist
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: dasebek@gmail.com

Created attachment 225509
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=225509&action=edit
Include Samsung laptops/computers in the x2APIC Sandy Bridge blacklist.

Almost always, my Samsung RF511 laptop could not boot with
x2APIC enabled in the kernel. It froze during SMP initialization,
shortly after "ACPI APIC Table: <SECCSD LH43STAR>" was printed
to the console. When the kernel is instructed not to use x2APIC,
the system boots correctly.

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