[ale] Dazed and confused, but trying to continue

[Dow Hurst]

Jim,
NMI's are typically (others correct me if I'm wrong) generated by kernel 
crashes caused by hardware problems.  You may see this again or never 
again.  I'd be sure to visit the machine and check on hardware contacts, 
dust buildup, stray neutrinos or gamma rays.  It is a tough business 
blocking those gamma rays from flipping bits but those issues must be 
prevented by the lead lined cases on high availability hardware.  ;)
Dow


Jim Popovitch wrote:
> Thanks Dow,
>
> I had seen one of those posts earlier.  It's a strange error/situation, 
> esp in my case as their is no power-saving features enabled.  That 
> system is isolated in a datacenter downtown.  It hasn't been rebooted in 
> two weeks, and the case hasn't been opened in 3 years.  Apps on the box 
> remained working, there was no cores or other memory related issues. 
> Seems to me an error like that could include a bit more hint as to what 
> it saw/felt that caused it to print that text.
>
> -Jim P.
>
> Dow Hurst wrote:
>   
>> Jim,
>> Your dealing with a hardware problem.  Seems obvious from the posts I 
>> saw after googling the error.  The guy who put the message and code into 
>> the kernel is:
>> Gareth Hughes <gareth at valinux.com>, May 2000
>>
>> Here are the posts:
>> http://forum.myriadnetwork.com/showthread.php?t=186
>> http://forums.digium.com/viewtopic.php?p=25442&sid=dece16abaef600e4274b1703699af9a7
>> http://www.redhat.com/archives/k12osn/2005-January/msg00570.html
>>
>> Hope this helps!  Sounds like reseating cards and the CPU, just checking 
>> hardware connections might fix it.  If not then different hardware was 
>> the general solution.
>> Dow
>>
>>
>> Jim Popovitch wrote:
>>     
>>> What could possible cause these log messages:
>>>
>>>    kernel: Uhhuh. NMI received for unknown reason 31 on CPU 0.
>>>    kernel: Dazed and confused, but trying to continue
>>>    kernel: Do you have a strange power saving mode enabled?
>>>
>>> The system's been up for 10 days, but those messages just started to appear.
>>>
>>> Tia,
>>>
>>> -Jim P.
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>>>   
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