9466221 |
Dmesg displays "Task XXXX: blocked for more than 120 seconds" under load |
Systems on OEL5.5/RHEL5.5 |
Following messages may be seen in dmesg - "Task XXXX: blocked for more than 120 seconds" |
These messages are only for information;newly added in OEL5.5/RHEL5.5. To disable this messages echo 0 > /proc/sys/kernel/hung_task_timeout_secs" |
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10056679 |
unable to start X |
X environment |
On some hardware startup of X environment may fail after upgrading to Unbreakable Enterprise Kernel with following Error:#Fatal server error:#Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices. |
reconfigure X using command "X -configure" and use generated configuration file to start X environment. |
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6140224 |
SQLPLUS FAILS TO LOAD LIBNNZ11.SO WITH SELINUX ENABLED ON EL5/RHEL5 |
11gR1 and 11gR2 |
sqlplus fails with the following error message "cannot restore segment prot after reloc: Permission denied" |
Disable selinux |
|
6501138 |
ORA-12751: CPU TIME OR RUN TIME POLICY VIOLATION under certain type of workloads. |
11gR1 performance |
Following messages appear in the oracle trace files "Runtime exceeded 900 seconds" |
Reduce the load ( e.g: reduce no of users ) or enhance system configuration for that workload |
|
7036544 |
Database instance startup fails when sga_target was set to multiples of 4096M |
11.1.0.6 |
Database instance startup fails with the following error " ORA-12853: insufficient memory for PX buffers: current 0K, max needed 2640K and ORA-04031: unable to allocate 21544 bytes of shared memory ("large pool","unknown object","large pool","PX msg pool")" |
Fixed in 11.1.0.7, for 11.1.0.6 set the parameter large_pool_size in init.ora or increase the sga_target size. |
|
7135702 |
ORA-15001 when shutting down the database instance |
11.1.0.7 database shutdown |
Errors in database alert log "Unexpected communication failure with ASM instance: error 15001 (ORA-15001: diskgroup""does not exist or is not mounted )" |
Apply patch 7135702 |
|
7272646 |
Database instance startup fails when memory_target value is >4096M |
11.1.0.7 database startup |
Database instance startup fails with the following error in the database alert log "error 27103 detected in background process, ORA-27103: internal error" and trace log error " Linux-x86_64 Error: 11: Resource temporarily unavailable" |
Apply patch 7520217 or reduce memory_target value. |
|
8525592 |
Incorrect "SGA memory leak" errors encountered during the database shutdown |
11gR1 |
During database shutdown, following errors are seen in the database trace files "ERROR: SGA memory leak detected.." |
Workaround is to ignore these errors. |
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