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segfault reported in messages log (Exectask kernel: [xxx.xxx] exectask[xx]: segfault at 0 ip xxx sp xxxx error 4 in libc-2.12.so [xxxx] (Doc ID 2663465.1)

Last updated on JULY 28, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Linux x86-64

Symptoms

Messages of the below format reported in the /var/log/messages:

<hostname> kernel: [xxx.xxx] exectask[xx]: segfault at 0 ip xxxx sp xxxx error 4 in libc-2.12.so[xxx]

The errors are reported daily or in a certain interval and this corresponds to the time the CRS resource ora.cvu runs.

The Exawatcher Ps.Exawatcher logs show the below processes during the time:

 

0 S oracle   233222 232864 74 116  19   0    - 348284 5422236 futex_wait_queue_ 15:41 ?     00:00:08 /u01/app/12.2.0.1/grid/jdk/bin/java -d64 -classpath /u01/app/12.2.0.1/grid/jdk/lib/rt.jar:/u01/app/12.2.0.1/grid/jlib/cvu.jar:/u01/app/12.2.0.1/grid/jlib/srvm.jar:/u01/app/12.2.0.1/grid/oui/jlib/OraInstaller.jar:/u01/app/12.2.0.1/grid/oui/jlib/jsch.jar:/u01/app/12.2.0.1/grid/oui/jlib/OraPrereq.jar:/u01/app/12.2.0.1/grid/oui/jlib/prov_fixup.jar:/u01/app/12.2.0.1/grid/oui/jlib/xmlparserv2.jar:/u01/app/12.2.0.1
0 S oracle   243872 233222  0  95  19   0    -  2812 26536 do_wait           15:41 ?        00:00:00 /bin/sh /u01/app/12.2.0.1/grid/cv/remenv/cvuhelper /u01/app/12.2.0.1/grid 12201 /u01/app/12.2.0.1/grid/jlib/cvuhelper122.jar /u01/app/12.2.0.1/grid -getASMResourceAttribute PRESENCE
0 S oracle   244261 243872  0 236  19   0    - 87480 12481045 futex_wait_queue_ 15:41 ?     00:00:00 /u01/app/12.2.0.1/grid/jdk/jre/bin/java -d64 -classpath /u01/app/12.2.0.1/grid/jdk/jre/lib/rt.jar:/u01/app/12.2.0.1/grid/jlib/cvuhelper122.jar:/u01/app/12.2.0.1/grid/jlib//ldapjclnt12.jar:/u01/app/12.2.0.1/grid/jlib//netcfg.jar:/u01/app/12.2.0.1/grid/jlib/srvm.jar:/u01/app/12.2.0.1/grid/jlib/srvmhas.jar:/u01/app/12.2.0.1/grid/jlib/gns.jar:/u01/app/12.2.0.1/grid/jlib/srvmasm.jar:/u01/app/12.2.0.1/grid/oui/jli
  zzz <04/18/2020 15:42:25> subcount: 31

 

Changes

 None

Cause

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