On Wed, 16 Feb 2011 16:57:06 +0000 "Wojcik, Krzysztof"
<krzysztof.wojcik@xxxxxxxxx> wrote:
> >
> > It looks like the 'bdev' passed to md_open keeps changing, which it
> > shouldn't.
> >
> > If the above doesn't help, please add:
> >
> > printk("bdev=%p, mddev=%p, disk=%p dev=%x\n", bdev, mddev, mddev-
> > >gendisk, bdev->bd_dev);
> >
> > at the top of 'md_open', and see what it produces.
>
> I tried this also but I can't see any useful information that can make me some idea.
> Could you look at logs in attachment?
>
Thanks.
That at-least confirms that the bdev is often changing while the mddev and
disk stay unchanged. Having that confirmation is useful..
I didn't think that could happen - the bdev should remain pinned while the
mddev exists. Obviously it doesn't.
I'll see what I can find out.
NeilBrown
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