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Oracle Linux: System Log Contains Page Allocation Failure Entries GFP_ATOMIC (Doc ID 2697458.1)

Last updated on AUGUST 14, 2020

Applies to:

Linux OS - Version Oracle Linux 7.0 with Unbreakable Enterprise Kernel [3.8.13] and later
Linux x86-64
Linux x86

Symptoms

Server is  hanging with error logs like:

Jun 1 11:10:02 HOSTNAME kernel: Buffer I/O error on dev dm-12, logical block 0, async page read
Jun 1 11:15:02 HOSTNAME kernel: Buffer I/O error on dev dm-12, logical block 0, async page read
Jun 1 11:20:02 HOSTNAME kernel: Buffer I/O error on dev dm-12, logical block 0, async page read
Jun 1 18:11:26 HOSTNAME kernel: swapper/36: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null)
Jun 1 18:11:26 HOSTNAME kernel: warn_alloc+0x114/0x1bf
Jun 1 18:11:26 HOSTNAME kernel: common_interrupt+0x1c2/0x382
Jun 1 18:11:26 HOSTNAME kernel: ora_dbrXXXX: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null)
Jun 1 18:11:26 HOSTNAME kernel: warn_alloc+0x114/0x1bf
Jun 1 18:11:26 HOSTNAME kernel: common_interrupt+0x1c2/0x382
Jun 1 18:12:39 HOSTNAME kernel: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null)
Jun 1 18:12:39 HOSTNAME kernel: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null)
Jun 1 18:12:39 HOSTNAME kernel: warn_alloc+0x114/0x1bf
Jun 1 18:12:39 HOSTNAME kernel: common_interrupt+0x1c2/0x382
Jun 1 18:12:39 HOSTNAME kernel: ora_dbrXXXX: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) 
Jun 1 18:12:39 HOSTNAME kernel: warn_alloc+0x114/0x1bf
 

 

Changes

The server is under normal or high workflow.

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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