RELENG_5 panic: mtx_lock() with ACPI

[Nate Lawson]

Anish Mistry wrote:

> On Monday 20 September 2004 03:35 pm, you wrote:
> 
>>Anish Mistry wrote:
>>
>>>On Monday 20 September 2004 03:01 pm, Anish Mistry wrote:
>>>
>>>>I'm getting the following panic on boot only with ACPI enabled.
>>>>On a verbose boot right after: start_init: trying /sbin/init
>>>>panic: mtx_lock() of spin mutex(null) @ /usr/src/sys/tty/tty.c:2809
>>>>Can't seem to get a dump even if dumpdev is set at the loader prompt.
>>>>
>>>>Verbose boot without ACPI enabled and ASL attached.
>>>
>>>Attachments got stripped.
>>>http://am-productions.biz/debug/BIGGUY-dmesg.txt.gz
>>>http://am-productions.biz/debug/bigguy.asl.gz
>>
>>Can you send a backtrace ("tr" from ddb)?
> 
> It doesn't break to the ddb prompt.

Can you enable options DDB?  If ddb is enabled, all panics should break 
to the debugger.

-- 
Nate