Monday, February 1, 2016

UBEs stuck on " P " and created deadlock and zombies



Hi All


I have a question regarding one issue that happend recently. Basically one job was stuck on P status for a long time and created some deadlocks and zombies from UBE kernel. Because of this whole production stopped for 2 hours as it blocked everything in queue.

It was a BIP report with Print Immediate option turned on. We have some logs to ORacle but did not really received any root cause for this.

Logs are from UBE kernel.

6291484/1 MAIN_THREAD Fri Jan 29 02:01:12.452016 ipcmisc.c299
IPC2100030 - createIPCSem failed, maxNumberOfSemaphores exceeded 1000.

6291484/1 MAIN_THREAD Fri Jan 29 02:01:12.452174 jdb_utl1.c3051
JDB9900353 - Failed to initialize IPC for database lock : Error - 11


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