From Bugzilla Helper: User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1) Description of problem: After about 4 days since reboot Oracle TNS-listener process hangs on attempt to open new Oracle-session Version-Release number of selected component (if applicable): How reproducible: Sometimes Steps to Reproduce: It is really hard to explain 1. Install Oracle 9i Database Release 2 under RedHat AS 2.1 on Dell PowerEdge 4600 (6Gb RAM in 'spare bank' mode) 2. Linux Kernel parameters: bigpages=2048M profile=2 nmi_watchdog=1 3. Relink Oracle products to utilize asynch IO, and set /proc/sys/kernel/shm- use-bigpages to 2 Actual Results: After about 4 days of business activity Oracle TNS-listener stops to respond via 'tnsping abc', 'lsnrctl stat', ... Expected Results: TNS listener should be available 24*7*365 Additional info:
Created attachment 90350 [details] Logs from 'crash' utility about status of 'tnslsnr' process
*** Bug 85081 has been marked as a duplicate of this bug. ***
Kernel version: 2.4.9-e.12smp
Good news! Kernel enterprise-2.4.9-e.14amazon seems to be free of the bug. Currently, Oracle TNS-listener works for more than 7 days without hung. Thanks, Boris
Fixed long ago. Larry Woodman