Re: Linux 2.6.13-rc4 (snd-cs46xx)

From: Andrew Morton
Date: Fri Jul 29 2005 - 14:59:32 EST

Cal Peake <cp@xxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 28 Jul 2005, Andrew Morton wrote:
> > The procfs inode IDR tree is scrogged. I'd be suspecting a random memory
> > scribble. I'd suggest that you enable CONFIG_DEBUG_SLAB,
> > CONFIG_DEBUG_PAGEALLOC, CONFIG_DEBUG_everything_else and retest.
> >
> > If that doesn't show anything, try eliminating stuff from your kernel
> > config.
> >
> > If it _is_ a scribble then there's a good chance that changing the config
> > will simply make it disappear, or will make it manifest in different ways.
> Thanks Andrew! Indeed your suspicions are correct. Adding in all the
> debugging moved the problem around, it now shows itself when probing
> parport. Upon further investigation reverting the commit below seems to
> have nixed the problem.
> [PATCH] speed up on find_first_bit for i386 (let compiler do the work)

Thanks a million for that.
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