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On Nov 26, 2005, at 18:08 , Manuel Bouyer wrote:

> On Sat, Nov 26, 2005 at 05:18:40PM -0500, Andreas Wrede wrote:
>>
>> On Nov 26, 2005, at 15:29 , Manuel Bouyer wrote:
>>
>>> On Fri, Nov 25, 2005 at 03:13:00AM +0000, Andreas Wrede wrote:
>>>>> Environment:
>>>> 	
>>>> 	
>>>> System: NetBSD whome.planix.com 3.0_RC3 NetBSD 3.0_RC3
>>>> (PLANIX.MPACPI) #0: Thu Nov 24 20:57:09 EST 2005
>>>> root@whome.planix.com:/u1/netbsd-3.0/src/sys/arch/i386/compile/
>>>> obj.i386/PLANIX.MPACPI i386
>>>> Architecture: i386
>>>> Machine: i386
>>>>> Description:
>>>> 	Over the last week I have experienced 3 kernel dead-locks on a
>>>> NetBSD 3.0_RC1/2/3 system.
>>>> The motherboard is a Tylan K8S Pro S2882G3NR with 2 AMD Opteron
>>>> 244 CPUs installed. The kernel
>>>> is differs from GENERIC.MPACPI in the value for some SYSVSEM
>>>> variables, maxusers and some
>>>> other variables.
>>>
>>> Can you try a kernel with DIAGNOSTIC, DEBUG and LOCKDEBUG ?
>>
>> Right now, I am running with LOCKDEBUG. I will add DIAGNOSTIC and  
>> DEBUG.
>
> Yes, if you have the problem I'm thinking about, it will only be
> detected if you have DIAGNOSTIC. But LOCKDEBUG and DEBUG can't hurt,
> maybe these will catch something else.
>
>>
>> Not knowing much about kernel debugging, and since creating a core
>> dump is not possible,
>
> Why ? Have you tried reboot(0x104) ?

Yes - it locks the machine completely so that I cannot re-enter the  
debugger.
>
>> what commands should I run the next time the
>> dead-lock occurs?
>
> I can't see at anything more than what you have provided for now ...

OK.

-- 
     aew


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