Re: 2.6.23: random segfaults

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

Hello 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.
> 
> 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.

The patch seems to help. The GCC build has not finished yet but is in the
final stages; if there were problems it would've failed a _lot_ sooner.

Thank you very much!

	Manuel Lauss