Re: 2.6.23: random segfaults

[Manuel L. <ma...@ro...>]

Hi Paul,

On Mon, Nov 05, 2007 at 04:37:07PM +0900, Paul Mundt wrote:
> On Wed, Oct 17, 2007 at 12:32:45PM -0400, Mike Frysinger wrote:
> > On Wednesday 17 October 2007, Paul Mundt wrote:
> > i'm seeing random crashes on my lantank running 2.6.23 ... rebooting into 
> > 2.6.16.xx works fine.
> > 
> > that has a SH7751R with 2-way caches in write-back mode ... havent had time to 
> Well, no luck reproducing things on SH7751R or SH7760. If you have a
> reproduceable workload, that would really help.

Usually I let it compile GCC or other large codebases (qt-4, openssl). When
the gcc compilejob survives (after ~48 hours) I assume the system is stable ;)

> On the other hand, there was at least one bug in the page colouring, so
> I've ripped out the old code and made the kmap_coherent() interface more
> consistently used. This implementation can still be optimized with
> regards to the page's dcache state, but I'm more concerned about
> correctness at the moment. See how the following patch works for you.

I'll let it run for a few days.

Thanks!
	Manuel Lauss