[Bug 291193] EFI RT fault breakpoint instruction fault on shutdown

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 24 Nov 2025 17:37:07 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291193

            Bug ID: 291193
           Summary: EFI RT fault breakpoint instruction fault on shutdown
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: bz@FreeBSD.org

This is on mercat2 during shutdown -p now:

EFI RT fault breakpoint instruction fault


Fatal trap 3: breakpoint instruction fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer     = 0x20:0x7bd26be8
stack pointer           = 0x28:0xfffffe00fee06ba8
frame pointer           = 0x28:0xfed1c000
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, IOPL = 0
current process         = 1 (init)
rdi: fffffe00fee06ce8 rsi: 0000000000000001 rdx: 0000000000000000
rcx: 00000000800f8040  r8: 0000000000000000  r9: 0000000000000000
rax: 0000000000000000 rbx: 0000000000000002 rbp: 00000000fed1c000
r10: 00000000800f8000 r11: 0000000000000004 r12: fffff800012fbd80
r13: fffffe00dba02010 r14: fffff8000124b680 r15: fffff8000124b6a8
trap number             = 3
EFI rt_reset call faulted, error 14
acpi0: Powering system off


I just put it here for the archives.
If someone wants to work on this let me know; otherwise simply close it after a
few months.

I have no historic data as I only temporary used the machine.

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