alignment exceptionhandler sleeps in invalid context

[Olaf Hering]

 On Fri, Apr 28, Paul Mackeras wrote:

> Olaf Hering writes:
> 
> > I'm not sure where the bug is. Does it mean the network stack does
> > something nasty, or is the exception handler itself broken? (probably the latter)
> > This is 2.6.16.9 on a p270.
> 
> This patch should fix it, I hope.  If you can verify that it fixes it
> I'll send it to Linus.

I dont have a testcase, it just happend once on the p270.