Just let it run a cycle on it - not always clear, I'll find i don't 
notice where it ends or start at times, but varies with the amount.  I'd 
say maybe a few hours on 8-16gb to run all patterns.

I had a video card glitch and cause panics like that before when in 
death throws.

-mb


On 01/14/2014 01:38 PM, joe@actionline.com wrote:
> Thanks for the suggestions ...
>
> I'm running memtest86 now.
> How long should this run?  Now running about an hour ...
>
> I'll check the other suggestions later.
>
> --------------
>> On 2014-01-14 11:26, joe@actionline.com wrote:
>>> I finally rebooted again, and saw a screen full of messages including
>>> "unable to handle kernel paging request"
>> ... I think there might be a hardware
>> problem somewhere in this machine.
>>
>> You can attempt to diagnose the problem by booting from a rescue
>> system.  If those things fail in a similar manner, it's almost certainly
>> a hardware problem.  (If the rescue system works fine, then your Mint
>> install is borked, but that seems sort of unlikely.)  Or if a rescue
>> system works fine except when you start up a GUI, it's a problem with
>> the graphics card.  Or if it works fine until you try to start DHCP,
>> it's a problem with the NIC.  The other thing to check is the case and
>> airflow--make sure there aren't any dust bunnies blocking the fans or
>> anything.  If you suspect the RAM is the problem, the memtest86 option
>> on many rescue systems will probably say something if you had bad RAM.
>
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