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Oracle Linux: Exadata Server Panic at RIP: remove_entity_load_avg (Doc ID 2601986.1)

Last updated on OCTOBER 22, 2019

Applies to:

Linux OS - Version Oracle Linux 7.6 and later
Linux x86-64

Symptoms

Exadata Server crashed at RIP 'remove_entity_load_avg' with call trace below:

 

[3455262.136317] CPU: 67 PID: 96 Comm: rcuos/12 Tainted: P O 4.1.12-124.28.3.el7uek.x86_64 #2

[3455262.156328] Hardware name: Oracle Corporation ORACLE SERVER X7-2/ASM, MB, X7-2, BIOS 41060300 04/15/2019

[3455262.176373] task: ffff88bcdcd60e00 ti: ffff88bcdcd68000 task.ti: ffff88bcdcd68000

[3455262.194110] RIP: 0010:[<ffffffff810c7ea6>] [<ffffffff810c7ea6>] remove_entity_load_avg+0x6/0x1b0

[3455262.213723] RSP: 0018:ffff88bcdcd6bdb8 EFLAGS: 00010202

[3455262.229043] RAX: ffff893d80e63000 RBX: 000000000000005e RCX: 0000000180200013

[3455262.246513] RDX: 0000000180200014 RSI: ffffea043df9d100 RDI: 000546520005474f

[3455262.263782] RBP: ffff88bcdcd6bde8 R08: ffff890f7e744e00 R09: 0000000180200013

[3455262.280892] R10: ffffea043df9d100 R11: ffffffff810ce635 R12: ffff8877c3563300

[3455262.298827] R13: 000000000000005e R14: ffffffff81cb3ce0 R15: ffff88bcdcd60e00

[3455262.317229] FS: 0000000000000000(0000) GS:ffff88bd40ec0000(0000) knlGS:0000000000000000

[3455262.336061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

[3455262.352152] CR2: 0000000000b182b8 CR3: 0000000001b42000 CR4: 0000000000360670

[3455262.369809] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

[3455262.387161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

[3455262.404475] Stack:

[3455262.417353] ffff88bcdcd6bde8 ffffffff810ce653 ffff8877c3563300 ffff88bd40718f00

[3455262.434135] 0000000000000007 ffff893b1bf52390 ffff88bcdcd6be08 ffffffff810b4886

[3455262.450796] ffff88bcdcd6be18 ffff8877c3563490 ffff88bcdcd6be18 ffffffff810b48c5

[3455262.467338] Call Trace:

[3455262.478222] [<ffffffff810ce653>] ? free_fair_sched_group+0xa3/0xf0

[3455262.493354] [<ffffffff810b4886>] free_sched_group+0x16/0x40

[3455262.507652] [<ffffffff810b48c5>] free_sched_group_rcu+0x15/0x20

[3455262.522275] [<ffffffff810f3921>] rcu_nocb_kthread+0x191/0x580

[3455262.536624] [<ffffffff8175204f>] ? __schedule+0x27f/0x850

[3455262.550532] [<ffffffff810d4480>] ? prepare_to_wait_event+0xf0/0xf0

[3455262.565074] [<ffffffff810f3790>] ? force_qs_rnp+0x180/0x180

[3455262.578902] [<ffffffff810ae51a>] kthread+0xda/0xf0

[3455262.592004] [<ffffffff8175200e>] ? __schedule+0x23e/0x850

[3455262.605443] [<ffffffff810ae440>] ? kthread_create_on_node+0x1b0/0x1b0

[3455262.619887] [<ffffffff81757f07>] ret_from_fork+0x47/0x90

[3455262.633027] [<ffffffff810ae440>] ? kthread_create_on_node+0x1b0/0x1b0

[3455262.647474] Code: 00 00 00 00 00 48 89 f7 e8 e8 a0 ff ff 48 8b 8b a0 0c 00 00 89 83 88 0c 00 00 48 8b 83 b8 06 00 00 eb a3 66 90 0f 1f 44 00 00 55 <48> 8b 77 78 48 89 e5 48 8b 46 60 48 89 c2 48 2b 97 88 00 00 00

[3455262.683857] RIP [<ffffffff810c7ea6>] remove_entity_load_avg+0x6/0x1b0

[3455262.698391] RSP <ffff88bcdcd6bdb8>

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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