Re: thousands of kworker processes with 4.7.x and 4.8-rc*

[Tomasz Chmielewski]

On 2016-09-26 04:07, Nikolay Borisov wrote:

> > Not sure if that's expected behaviour or not.
>
>
> Why don't you sample the stacks of some of those kworker processes to
> see if they are all executing a parituclar piece of work. That might
> help you narrow down where they originate from. Cat multiple
> /proc/$kworker-pid/stack files and see if a pattern emerges.

FYI, it was reproduced and bisected here (scroll to the bottom):

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626564


Tomasz Chmielewski
https://lxadm.com