IBM Support

STAP v8.2 running in Oracle RAC/Linux cluster can potentially cause a server crash

Troubleshooting


Problem

Guardium Development have identified an issue with STAP v8.2 running in Oracle RAC/Linux which has a potential to cause a server crash

Symptom

Database log file may have the following :
Guardium TAP : Error : khash_super_prune_nolock: SUPER PRUNE at XXXXXXXXXX (line 277) .

Page 4 of 133
Nov 1 07:31:05 XXXXXXX kernel: [7337647.302508] (v 43510) GUARD-02:
25730 khash_super_prune_nolock: SUPER PRUNE at 1351755065 (line 277)
Nov 1 07:31:05 XXXXXXX kernel: [7337647.793504] (v 43510) GUARD-02:
26419 khash_super_prune_nolock: SUPER PRUNE at 1351755065 (line 277)
Nov 1 07:31:07 XXXXXXX kernel: [7337649.764390] (v 43510) GUARD-02:
25428 khash_super_prune_nolock: SUPER PRUNE at 1351755067 (line 277)
Nov 1 07:31:07 XXXXXXX kernel: [7337649.786789] (v 43510) GUARD-02:
26483 khash_super_prune_nolock: SUPER PRUNE at 1351755067 (line 277)
Nov 1 07:31:07 XXXXXXX kernel: [7337649.805458] (v 43510) GUARD-02:

NOTE:
Please be aware that the above messages can appear on a busy system and does not necessarily mean that a crash has or will occur

[{"Product":{"code":"SSMPHH","label":"IBM Security Guardium"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Not Applicable","Platform":[{"code":"PF016","label":"Linux"}],"Version":"8.2","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

Modified date:
16 June 2018

UID

swg21596507

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