Re: 2.6.23-rc7-mm1

Peter Zijlstra
2007-09-25T11:05:57Z

On Mon, 24 Sep 2007 21:20:58 +0200 Peter Zijlstra
<a.p.zijlstra@chello.nl> wrote:

> > > Nope, and the stacktrace is utterly puzzling.
> > >
> > > /me goes read the lkml.org link
> > >
> > > Kamalesh Babulal: do you still get:
> > > BUG: spinlock bad magic on
> > >
> > > msgs?
> > >
> > > Because those I could reproduce using fsx, and I fixed all that.
> > Hi Peter,
> >
> > I do not get BUG: spinlock bad magic messages any more, but the softlock message is
> > thrown more than 30 time, while running the ltp runall.
>
> It would be good to know what function on_each_cpu is executing, could
> you try something like:

I've just completed 2 full ltp runs on a dual-core opteron machine but
could not reproduce this problem.

Kamalesh, would it be possible for you to reproduce with that patch, so
we can see what function is holding up the cpu?