AVDF "kernel: Out of memory: Kill process nnnnn (oracle) score nnn or sacrifice child" is caused on AVS 12.1.2

(Doc ID 2359102.1)

Last updated on FEBRUARY 14, 2018

Applies to:

Oracle Audit Vault and Database Firewall - Version 12.1.2.0 to 12.1.2.9 [Release 12.1]
Information in this document applies to any platform.

Symptoms

AVDF "kernel: Out of memory: Kill process nnnnn (oracle) score nnn or sacrifice child" is caused on AVS 12.1.2.

ex)
<kern.warning> xxxxav01aud kernel: java invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
<kern.info> xxxxav01aud kernel: java cpuset=/ mems_allowed=0-1
<kern.warning> xxxxav01aud kernel: Pid: 19085, comm: java Not tainted 2.6.39-400.250.6.el5uek #1
<kern.warning> xxxxav01aud kernel: Call Trace:
<kern.warning> xxxxav01aud kernel: [<ffffffff81113e04>] dump_header+0x94/0xe0
<kern.warning> xxxxav01aud kernel: [<ffffffff81113f4d>] oom_kill_process+0x6d/0x160
<kern.warning> xxxxav01aud kernel: [<ffffffff8111413c>] out_of_memory+0xfc/0x210
<kern.warning> xxxxav01aud kernel: [<ffffffff81118f3c>] __alloc_pages_slowpath+0x64c/0x660
<kern.warning> xxxxav01aud kernel: [<ffffffff81119104>] __alloc_pages_nodemask+0x1b4/0x200
<kern.warning> xxxxav01aud kernel: [<ffffffff8111b890>] ? __do_page_cache_readahead+0xe0/0x170
<kern.warning> xxxxav01aud kernel: [<ffffffff811511b3>] alloc_pages_current+0xb3/0x120
<kern.warning> xxxxav01aud kernel: [<ffffffff8111084a>] __page_cache_alloc+0x9a/0xb0
<kern.warning> xxxxav01aud kernel: [<ffffffff811110ef>] page_cache_read+0x4f/0xb0
<kern.warning> xxxxav01aud kernel: [<ffffffff811121c4>] filemap_fault+0x174/0x270
<kern.warning> xxxxav01aud kernel: [<ffffffff811368ec>] __do_fault+0x5c/0x550
<kern.warning> xxxxav01aud kernel: [<ffffffff81136e86>] do_linear_fault+0x36/0x40
<kern.warning> xxxxav01aud kernel: [<ffffffff810a7536>] ? futex_wait+0x1f6/0x2a0
<kern.warning> xxxxav01aud kernel: [<ffffffff81138844>] handle_pte_fault+0x74/0x190
<kern.warning> xxxxav01aud kernel: [<ffffffff81138a8f>] handle_mm_fault+0x12f/0x1b0
<kern.warning> xxxxav01aud kernel: [<ffffffff8150cddd>] do_page_fault+0x17d/0x4b0
<kern.warning> xxxxav01aud kernel: [<ffffffff810a7dc4>] ? do_futex+0xa4/0x190
<kern.warning> xxxxav01aud kernel: [<ffffffff810a7f3f>] ? sys_futex+0x8f/0x140
<kern.warning> xxxxav01aud kernel: [<ffffffff8109bdd9>] ? getnstimeofday+0x59/0xf0
<kern.warning> xxxxav01aud kernel: [<ffffffff815098d5>] page_fault+0x25/0x30
<kern.warning> xxxxav01aud kernel: Mem-Info:
<kern.warning> xxxxav01aud kernel: Node 0 DMA per-cpu:
<kern.warning> xxxxav01aud kernel: CPU 0: hi: 0, btch: 1 usd: 0
<kern.info> xxxxav01aud kernel: [ 1245] 0 1245 965 69 26 0 0 sleep
<kern.info> xxxxav01aud kernel: [ 1264] 0 1264 965 68 26 0 0 sleep
<kern.info> xxxxav01aud kernel: [ 1309] 0 1309 14744 120 17 0 0 sleep
<kern.err> xxxxav01aud kernel: Out of memory: Kill process 27732 (oracle) score 430 or sacrifice child
<kern.err> xxxxav01aud kernel: Killed process 27732 (oracle) total-vm:35758716kB, anon-rss:786648kB, file-rss:29422516kB

After this is caused once, similar errors will be logged into messages intermittently after a while.
Additionaly, audit trail may be stopped or a repository dastabase is terminated suddenly by this symptom.

 

Cause

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