Messages in this thread | | | Date | Fri, 1 Aug 2008 14:09:29 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [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
| |