Re: rtmutex assert failure (was [Patch] restore the RCU callback...)

Bill Huey
2006-08-25T07:20:20Z

On Wed, Aug 23, 2006 at 06:46:58PM -0700, Bill Huey wrote:
> On Wed, Aug 23, 2006 at 06:22:03PM -0700, Robert Crocombe wrote:
...
> > I'll post the config, too, just so there's a clear understanding of
> > where we are.
>
> Ok, yeah, I've been trying to get a clean stack trace output and not
> really focused on the core issue. The debug output stuff seemed to need
> some attention because of the hanging and continuous output of stack
> traces. It makes it difficult to figure out what's going on when there
> are a cascade of failures going on.
>
> I'll upload those small changes next and try to figure out what's going
> on with kjournald and the rtmutex. This is going to be a pain.

I still can't replicate the problem here with my made up test suite, so
I'm going to take a guess and shove some memory barriers in the rt mutex
code. That code looked a bit suspect.

http://mmlinux.sourceforge.net/public/against-2.6.17-rt8-2.diff

bill