lkml.org 
[lkml]   [2017]   [Dec]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [v4.9-rt][report] stress-ng: possible circular locking dependency detected
On Mon, 18 Dec 2017 18:55:24 -0600
Grygorii Strashko <grygorii.strashko@ti.com> wrote:

> Hi All,
>
> I've tried to run stress-ng on TI am57xx-evm (SMP, 2 cpu) and caught 2 "INFO: possible circular locking dependency detected"
>
> Command 1 (log 1):
> ## stress-ng --class cpu --all 0 -t 5m & stress-ng --class memory --all 0 --vm-bytes 90% -t 5m
>
> Command 2 (log 2):
> ## stress-ng --class os --all 0 -t 5m
>
> actually command 2 often stuck or crushes (Log3 - I've collected 3 different dumps)
>

I hate to tell you but CPU hotplug is known to be broken on 4.9-rt and
earlier. Hopefully the v4.14-rt code with the redesigned hotplug work
fixes all this.

-- Steve

\
 
 \ /
  Last update: 2017-12-19 02:07    [W:0.935 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site