[c-nsp] weird hardware failure, looking for wisdom

Joe Pruett joey at spiretech.com
Fri Jan 9 20:56:11 EST 2015

someone offlist pointed me at the memory failure issue that cisco has
seen triggered by power cycling. i have swapped in some older ram and
the npe came up. i have pulled the i/o card and so far i am not seeing
any voltage warnings. i'm letting the unit idle over the weekend to see
if the voltage nonsense starts back up again.

i love coincident issues.

On 2015-01-09 15:50, Joe Pruett wrote:
> my 7206vxr with npe-g1 started whining about voltage levels today. i
> didn't want to have it fail over the weekend so i did a full power
> down/up and it didn't come up at all. started swapping parts around and
> if i slap in an old npe-400, it boots but still whines about voltage.
> swap the i/o card from one with the single 100mb port to one with just
> console and now it isn't whining anymore.
> is it likely that something blew the npe-g1 and i/o card? or could i
> have a backplane problem? i have dual power supplies and it doesn't seem
> to matter what combo of those i use. i think i even tried another supply.
> what gremlins am i dealing with?
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