My Oracle Support Banner

Oracle Linux: High Load Average with Many Threads in "D" State with waitchannel on mlx4_table_put and mlx4_table_get (Doc ID 2488613.1)

Last updated on MAY 17, 2021

Applies to:

Linux OS - Version Oracle Linux 6.4 and later
Linux x86
Linux x86-64

Symptoms

An Oracle Linux 6 (OL6) system experiences high load average with many threads in "D" (uninterruptable) state with waitchannel on mlx4_table_put and mlx4_table_get. The call stack of such hung processes appear as follows:

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.