cosmic radiation
http://www.cisco.com/warp/public/122/crashes_pmpe.html
"Soft parity errors - these occur when an energy level within the chip (for
example, a one or a zero) changes - most often the result of cosmic
radiation. When referenced by the CPU, they cause the system to either crash
(if the error is in an area that is not recoverable) or they recover other
systems (for example, a CyBus complex restart if the error was in the packet
memory (MEMD). In case of a soft parity error, there is no need to swap the
board or any of the components. Check the external links at the bottom of
this page for additional information about soft parity errors."
> -----Original Message-----
> From: Karyn Ulriksen [mailto:kulriksen@publichost.com]
> Sent: Monday, April 30, 2001 4:37 PM
> To: 'Kevin Gannon'; BrianM@dial.pipex.com; Karyn Ulriksen; 'Mounir
> AZIZI'; 'Cisco-Nsp'
> Subject: RE: [nsp] 7513 crash
>
>
> yeah, that's it. sun spots... hmmmm...
>
>
> :: -----Original Message-----
> :: From: Kevin Gannon [mailto:kevin@gannons.net]
> :: Sent: Monday, April 30, 2001 1:26 PM
> :: To: BrianM@dial.pipex.com; 'Karyn Ulriksen'; 'Mounir AZIZI';
> :: 'Cisco-Nsp'
> :: Subject: RE: [nsp] 7513 crash
> ::
> ::
> :: We see similar strange things every time there is solar spots.
> ::
> :: When the TAC told me this the first time I nearly wet myself
> :: laughing.
> :: But true enough when there is a solar flare warning some customers
> :: get hit. But I would check with the TAC to be certain its
> :: not faulty HW.
> ::
> :: I try to take my holidays when the warning are in the news.
> ::
> :: Regards,
> :: Kevin
> ::
> :: >Do you have a crash log for the crash? It should be located
> :: on the flash
> :: >card.
> :: >
> :: >-----Original Message-----
> :: >From: Karyn Ulriksen [mailto:kulriksen@publichost.com]
> :: >Sent: Monday, April 30, 2001 7:59 PM
> :: >To: 'Mounir AZIZI'; 'Cisco-Nsp'
> :: >Subject: RE: [nsp] 7513 crash
> :: >
> :: >interesting...
> :: >
> :: > one of my 7507s crashed for no apparent reason this morning... I
> :: >wonder
> :: >if something is going on...
> :: >
> :: > anybody else?
> :: >
> :: >K
> :: >
> :: >:: -----Original Message-----
> :: >:: From: Mounir AZIZI [mailto:mounir.azizi@wanadoo.co.ma]
> :: >:: Sent: Monday, April 30, 2001 10:06 AM
> :: >:: To: 'Cisco-Nsp'
> :: >:: Subject: [nsp] 7513 crash
> :: >::
> :: >::
> :: >:: Hi,
> :: >:: I had a problem today with 7513 router, it had crashed.
> :: >:: i join an image of crash collected from bootflash:crashinfo
> :: >:: , hope it will
> :: >:: help us to see the problem.
> :: >:: Best regards
> :: >:: Mounir AZIZI
> :: >::
> ::
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>
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