p7331323_10204_AIX5L

Applies to: Oracle Server - Enterprise Edition - Version: 10.2.0.4 to 11.1.0.6 Information in this document applies to any platform. Description The following errors may be reported: ORA-00603: ORACLE server session terminated by fatal error ORA-27504: IPC error creating OSD context ORA-27300: OS system dependent operation:sskgxp_select failed with status: 3 ORA-27301: OS failure message: No such process ORA-27302: failure occurred at: skgxpvfymmtu ORA-27303: additional information: MTU could not be verified. Did not re ceive valid message. These errors are caused by more aggressive checking introduced in 10.2.0.4. Likelihood of Occurrence This only affects Oracle Real Application Clusters and can be reported in ASM as well as database instances. The issue was introduced in Oracle 10.2.0.4 so earlier versions are not affected Possible Symptoms The errors above can be reported by Oracle shadow processes or by background processes. Additionally they may be reported in the alert.log. The symptoms can include: - process failure - startup failure - processes spinning in function sskgxp_select with high CPU usage Workaround or Resolution There is no workaround available. However, if the instance fails to start, a reboot of the server supporting the instance will usually allow startup to succeed. Patches At the time of writing, patches were under development on top of 10.2.0.4 on some platforms. Please check Patch 7331323 for availability on your platform. The problem is resolved in 11.1.0.7. References NOTE:419937.1 - Alert.log shows frequently "skgxpvfymmtu: process failed because of a resource problem in the OS" NOTE:419871.1 - Failures due to "skgxpvfymmtu: process failed because of a resource problem in the OS" on 32-bit Linux ceive valid message. These errors are caused by more aggressive checking introduced in 10.2.0.4. Likelihood of Occurrence This only affects Oracle Real Application Clusters and can be reported in ASM as well as database instances. The issue was introduced in Oracle 10.2.0.4 so earlier versions are not affected Possible Symptoms The errors above can be reported by Oracle shadow processes or by background processes. Additionally they may be reported in the alert.log. The symptoms can include: - process failure - startup failure - processes spinning in function sskgxp_select with high CPU usage Workaround or Resolution There is no workaround available. However, if the instance fails to start, a reboot of the server supporting the instance will usually allow startup to succeed. Patches At the time of writing, patches were under development on top of 10.2.0.4 on some platforms. Please check Patch 7331323 for availability on your platform. The problem is resolved in 11.1.0.7. References NOTE:419937.1 - Alert.log shows frequently "skgxpvfymmtu: process failed because of a resource problem in the OS" NOTE:419871.1 - Failures due to "skgxpvfymmtu: process failed because of a resource problem in the OS" on 32-bit Linux