IC92568: Platform Agent and CIM provider agent (cimprovagt) crashes after several network I/O operation failures.

APAR status

• Closed as fixed if next.

Error description

• The IBM Systems Director Platform Agent may crash following
  several network Input/Output (I/O) operation failures. The crash
  occurs in Standards Based Linux Instrumentation Module (SBLIM)
  and this impacts the Common Information Model (CIM) provider
  agent (cimprovagt) which crashes and is unable to restart.
  

Local fix

•      There is no usage change that will avoid this issue.
  

Problem summary

• The SBLIM implements the CIM monitoring model. Broadly it is
  composed of the Gatherer Daemon (gatherd) responsible for
  gathering metric data and the Repository Daemon (reposd)
  responsible for centralized data collection. The gatherd is
  further composed of multiple Metric Retrieval Plugins that do
  the work of data retrieval. When Director Server Platform Agent
  starts and encounters several network I/O operation failures,
  this metric data is gathered by the Gatherer Plugin for IP
  Protocol Endpoint Metrics. The IPProtocolEndpoint and
  NetworkPort plugins collect raw network counters from
  /proc/net/dev.  Processing of this data results in a buffer
  overflow and generates a segmentation fault (segfault). This is
  reported as a failure in the OSBase_MetricValueProvider module
  and subsequent segfault in CIM provider agent (cimprovagt). Then
   the Platform Agent Watchdog daemon will determine that the
  Gatherer services are not running and will try to restart the
  Gatherer services.  This issue will be fixed in a future release
   of the product.
  

Problem conclusion

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels

• R631 PSY

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