Ora-00600: [Kmgs_pre_process_request_2] after having adjusted db_cache_size (Doc ID 737458.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 10.2.0.4
This problem can occur on any platform.

Symptoms

Example: 
SQL> alter system set db_cache_size='3500M' scope=memory; 
      
SCENARIO
--------
##
## Modified Shared Pool size and Buffer Cache size.
##
.
Wed Sep  3 20:09:22 2008
ALTER SYSTEM  SET db_cache_size='2G' SCOPE=MEMORY;
Wed Sep  3 20:10:15 2008
ALTER SYSTEM SET  db_cache_size='1700M' SCOPE=MEMORY;
Wed Sep  3 20:10:58 2008
ALTER SYSTEM SET db_cache_size='3G' SCOPE=MEMORY;
Wed Sep  3 20:12:39 2008
ALTER SYSTEM SET db_cache_size='3500M' SCOPE=MEMORY;
.
##
## Several days later the instance crashed due to 
## ORA-600 [kmgs_pre_process_request_2]
##
.
Tue Sep  9 10:46:11 2008
Errors in file /log/oracle/TEST/bdump/TEST_mman_540706.trc:
ORA-00600: internal error code, arguments: [kmgs_pre_process_request_2], [6], 
[215], [219], [3], [0x70000018FB77D80], [], []
Tue Sep  9 10:46:13 2008
Errors in file /log/oracle/TEST/bdump/TEST_mman_540706.trc:
ORA-00600: internal error code, arguments: [kmgs_pre_process_request_2], [6], 
[215], [219], [3], [0x70000018FB77D80], [], []
Tue Sep  9 10:46:13 2008
MMAN: terminating instance due to error 822
Instance terminated by MMAN, pid = 540706
TRACE FILE
Call Stack Trace 
~~~~~~~~~~~~~~~~
kmgs_pre_process_re kmgsdrv ksbabs ksbrdp opirip opidrv sou2o opimai_real

Changes

SQL> alter system set db_cache_size='<new_value>' scope=memory;

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms