Re: Fw: crash on x86_64 - mm related?

[Linus Torvalds <torvalds@osdl.org>]

On Mon, 12 Dec 2005, James Bottomley wrote:
> 
> This is that SCSI patch you reversed just before you went away.  If you
> put it back again, the problem will go away ...

Well, that patch is definitely broken.

You say that it just causes a warning about sleeping in interrupt context, 
while I say that the warning is a serious error. If that semaphore _ever_ 
is write-locked, the whole machine will crash from trying to sleep when it 
cannot sleep.

So I can certainly undo the undo, but the fact is, the code is CRAP. I'd 
much rather get a real fix instead of having to select between two known 
bugs.

Please?

		Linus
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