ns-slapd crashes sporadically with segmentation fault in libslapd.so

Solution Verified - Updated -

Issue

There seems to be occasional 389-ds crashes when using schema-reload.pl. Crashes seem to be more frequent when there is more data/more schema files and more load in the system. Crashes seem to happen always in the same position.
Here is some copy/paste from /var/log/messages:

Mar 11 11:03:21 testsrv kernel: ns-slapd[62980]: segfault at bc ip 0000003be1cabfd4 sp 00007fc522bfa400 error 4 in libslapd.so.0.0.0[3be1c00000+f6000]
Mar 11 12:11:03 testsrv kernel: ns-slapd[52594] general protection ip:3be1cabfd4 sp:7f3b0f5f6ba0 error:0 in libslapd.so.0.0.0[3be1c00000+f6000]
Mar 11 12:26:49 testsrv kernel: ns-slapd[53038] general protection ip:3be1cabfd4 sp:7f78e1660460 error:0 in libslapd.so.0.0.0[3be1c00000+f6000]

Environment

  • Red Hat Enterprise Linux 6
  • 389-ds-base up to version 1.2.11.15-12.el6_4

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