Re: XFS crash on linux raid

[Eric Sandeen <sandeen@xxxxxxxxxxx>]

Emmanuel Florac wrote:
> Le Fri, 4 May 2007 17:33:44 +1000
> David Chinner <dgc@xxxxxxx> écrivait:
>
> > Well, there's your problem. Stack overflows.  IMO, if you use a
> > filesystem, you shouldn't use 4k stacks. ;)
> >
> > If you remake you kernel with 8k stacks then your problems will
> > most likely go away.
> Well, I've double-checked the asm-i386/module.h, and it actually looks
> like 4K stacks is NOT the default, so I must be using 8K, isn't it?
Depends on how you config'd it, just look at the .config you built with, 
and search for CONFIG_4KSTACKS
On Fedora at least (and I can't remember - I don't think this is a 
fedora-ism...) you can do "modinfo" on some module, and see:
vermagic:       2.6.21 SMP mod_unload 686 4KSTACKS

-Eric