I am not sure if the command still exsists but perhaps a 'sh health 1' might give you an insight. Look for High VDP misses. How is the power usage? You might want to see if there is a power change during the times of reload.
Would have been interesting if the command did work. The command was a hidden command and showed a lot of the internal processes. VDP Misses a value you can see if certain problems on your SUPs and Line Cards. You could move the card to a different slot and see if it migrates. If it doesn't I would swap the chassis. It is possible the the traffic over a trunk will cause a reload. But this is more with 2900's and 4000's. Here again be looking at the VDP Misses you can sometimes see Astro Errors, which can effect the rest of the network. I'll do some snooping around what other command might help see what going on.
Corey, that info applies to cat4k family switches only. The 6500 is based on a different architecture.
Are there any log messages associated with the reset? 'sh logg buff'
There are a few reasons why a linecard might reset. Ensure all linecards (including the supervisors) are seated tightly and secured with the thumbscrews. If you could, please post any logging buffer messages associated with the reset.
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