Date: Fri, 05 Sep 2008 14:07:06 +1000 From: Antony Mawer <fbsd-current@mawer.org> To: freebsd-current@freebsd.org Cc: gavin@freebsd.org Subject: Panic on boot on Lenovo ThinkCentre, before copyright message appears Message-ID: <48C0B06A.5090904@mawer.org>
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I've been having trouble getting 6.x, 7.x and 8.0 to boot on a Lenovo
ThinkCentre M-series, model 6081 AG1. The system panics on boot, what
seems to be as soon as it goes to boot the kernel (it loads the kernel
and modules like acpi.ko fine)...
System is running the latest BIOS (2KRT50AUS) from 22 July 2008; we have
successfully booted Windows and Linux on the same system, and it has
survived several hours of memtest'ing.
The panic (manually transcribed, so I hope I haven't made any typos) as
seen from the 200807/i386 snapshot CD:
/boot/kernel/acpi.ko text=0x54624 data=0x2640+0x182c
syms=0x4+0x8b70+0x4+0xbe09]
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fatal virtual address = 0xf000ff53
fault code = supervisor read, page not present
instruction pointer = 0x20:0xf000ff53
stack pointer = 0x28:0xc1421f0c
frame pointer = 0x28:0xc1421f9c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 ()
[thread pid 0 tid 0 ]
Stopped at 0xf000ff53: *** error reading from address f000ff53 ***
db> bt
Tracing pid 0 tid 0 td 0xc0c837c0
trap(c1421fa8) at trap+0x66f
calltrap() at calltrap+0x6
--- trap 0x9, eip = 0x3fbb, esp = 0xfd2, ebp = 0 ---
db> sh reg
cs 0x20
ds 0x28
es 0x28
fs 0x8
ss 0x28
eax 0xf000ff53
ecx 0x9
edx 0xa
ebx 0x9
esp 0xc1421f0c
ebp 0xc1421f9c
esi 0xc1421fa8
edi 0xc0c837c0 thread0
eip 0xf000ff53
efl 0x10286
0xf000ff53: *** error reading from address f000ff53 ***
db>
Is there any additional information I can provide from the DDB prompt
that may help tracking down why this machine is unable to boot (I have
included the output from backtrace above, but it does not appear to help
much...)?
Cheers
Antony
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