Applies to:
Oracle Server - Enterprise Edition - Version: 10.2.0.1.0
This problem can occur on any platform.

Symptoms
The 10.2.0.1 RAC database will encounter a hang and then crashes.  
In the alert.log, we can see the following errors:

ORA-00600: internal error code, arguments: [kcbshlc_1], [71], [], [], [], [], [], []
PMON: terminating instance due to error 472

Stack Trace is similar to the following:

ksedst ksedmp ssexhd sigreturn kcbshlc kslilcr ksl_cleanup ksuxfl ksuxda ksucln ksbrdp opirip

Cause
This is unpublished Bug 4723109. 

This is a known issue where the latches for clean up are not passed correctly and cause corruption
in the process and a crash.  According to development, the fix for this bug is 
scheduled to be included in the 10.2.0.5 patch set.

Solution
To implement the solution, please execute the following steps: 

Apply Patch 4723109. 

If you'd like to check for Patch Availability from Metalink 

1) Click on Patches & Updates 
2) Click on Simple Search 
3) Enter patch number: 4723109 
4) Select your O/S 
5) Click Go.

Note: Please review the Readme file for instructions on how to install the patchset.