Infiniband Devices Show Message "ioctl fail to copy request data"

(Doc ID 2316770.1)

Last updated on OCTOBER 12, 2017

Applies to:

Linux OS - Version Oracle Linux 6.7 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

On systems with the UEKr4 ( 4.1.12 ) kernel and infiniband cards might see the following message in /var/log/messages

ib0: ioctl fail to copy request data

Changes

# rpm -qp --changelog $pkg|grep '24510137';done
kernel-uek-4.1.12-103.2.7.el6uek.x86_64.rpm
- Some unsupported ioctls get logged unnecessarily (Venkat Venkatsubra)  

Cause

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