lkml.org 
[lkml]   [2008]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC][PATCH] rcu classic: new algorithm for callbacks-processing
On Sun, Jul 06, 2008 at 05:23:47PM +0800, Lai Jiangshan wrote:
> Paul E. McKenney wrote:
>
> >
> > You tried this without your changes and it passed, correct?
> >
> > Never forget to test the base kernel. ;-)
> >
>
> Thanks, but I make some mistake here.
>
> I tested the base kernel, no bug occurred.
> So I try to find out bugs in my changes in 2 weeks.
>
> I added debug codes and these codes showed all processing
> are right and no callback broke its grace period
> but the bug still occurred.
>
> When I was puzzled after 2 weeks, I looked back the base
> kernel that I had tested, and I found that I forget to set
> CONFIG_NO_HZ=y.
>
> Then I set CONFIG_NO_HZ=y in the base kernel, and the bug
> occurred. It's exactly as the bug when my patch applied.
>
> I have reported this bug here:
> http://lkml.org/lkml/2008/7/3/24

Hello, Jiangshan,

Does Gautham's patch (http://lkml.org/lkml/2008/6/27/9) help?

Thanx, Paul


\
 
 \ /
  Last update: 2008-08-01 23:13    [W:0.048 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site