[dm-devel] Re: [PATCH] Fix panic in 2.6 with bounced bio and dm

[Linus Torvalds <torvalds osdl org>]

On Fri, 25 Feb 2005, Andrew Morton wrote:
> 
> It seems very weird for dm to be shoving NULL page*'s into the middle of a
> bio's bvec array, so your fix might end up being a workaround pending a
> closer look at what's going on in there.

Yes. I don't see how this patch can be anything but bandaid to hide the 
real bug. Where do these "non-page" bvec's originate?

		Linus