Help debugging, machine won't boot anymore.

[Garrett Cooper]

On Tue, Dec 2, 2008 at 8:52 AM, Baldur Gislason <baldur at foo.is> wrote:
> I have a machine running 7.0-STABLE/amd64 and it has suddenly
> stopped booting. It just leaves me at the debugger with this message:
>
> Fatal trap 9: general protection fault while in kernel mode
> cpuid = 0; apic id = 00
> instruction pointer     = 0x8:0xffffffff804d913d
> stack pointer           = 0x10:0xffffffff80c9ec10
> frame pointer           = 0x10:0xffffffff80c9ec70
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                        = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 0 (swapper)
> [thread pid 0 tid 0 ]
> Stopped at      device_probe_child+0x61:        movq    0x28(%rax),%rsi
> db>
>
> dmesg at http://foo.is/~baldur/enigmaboot.txt
> The ACPI warning has always been there.
>
> Any places of interest in the debugger? What's a likely culprit? bad RAM?
>
> Baldur

As the stopped area suggests, it looks like it's stuck probing a
device. Have you added any new hardware to your system recently? Have
you checked the connections internally in the machine? Does all of the
hardware work with a vanilla livefs 7.0-RELEASE CD?
-Garrett