ODA OS Crash Due to Kernel Bug at fs/dcache.c:928! during cifs unmount

(Doc ID 2313530.1)

Last updated on OCTOBER 09, 2017

Applies to:

Oracle Database Appliance Software - Version 2.1.0.2 to 12.1.2.9 [Release 2.1 to 12.1]
Linux x86-64

Symptoms

The ODA server's OS crashes with "kernel BUG at fs/dcache.c:928!".

Changes

Customer is using CIFS mount to transfer some files to Windows server like below:

mount -t cifs -o username=******,passwor=*******,domain=****,rw,filemode=0777,dirmode=0777,async,wsize=69631 //xx.xx.xxx.xx/Some/PATH /mnt/cifs_point

Cause

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