lkml.org 
[lkml]   [2022]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Scenario TREE07 with CONFIG_PREEMPT_DYNAMIC=n?
On Thu, Mar 10, 2022 at 01:56:30PM -0800, Paul E. McKenney wrote:
> Hello, Frederic,
>
> I recently added CONFIG_PREEMPT_DYNAMIC=n to the TREE07 file, and since
> then am getting roughly one RCU CPU stall warning (or silent hang)
> per few tens of hours of rcutorture testing on dual-socket systems.
> The stall warnings feature starvation of RCU grace-period kthread.
>
> Any advice on debugging this?
>
> Thanx, Paul

Ok it reproduces easily but I have no clue about the origin. I'm starting a
bisection.

Thanks!

\
 
 \ /
  Last update: 2022-03-11 12:09    [W:0.064 / U:1.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site