ora-600 when analyzing IOT

First, sorry for asking this list before searching Metalink, but I don't have access to it right now.

So, here it is:  

I'm getting:  

ORA-00600: internal error code, arguments: [15163], [333], [17424], [16191], [], [], [], []  

when analyzing one of the index-organized tables:

"ANALYZE TABLE ipn_measurement ESTIMATE STATISTICS".
 

Now, similar statement analyzing other IOTs works fine.

Also, on the same table (ipn_measurement) analyze worked fine yesterday, and the table didn't grew too much since yesterday.  

Any ideas?  

Another question, do I really have to run "analyze table" on IOT for cost-based optimizer, or analyzing index would be enough:  

"ANALYZE INDEX pk_ipn_measurement ESTIMATE STATISTICS"
 

because "analyze index" still runs with no errors.  

Igor Neyman, OCP DBA

ineyman_at_perceptron.com    

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