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Re: ubc_uiomove returns EINVAL



On Fri, Oct 24, 2014 at 01:19:01PM +0000, Emmanuel Dreyfus wrote:
> On Fri, Oct 24, 2014 at 03:36:39PM +0700, Robert Elz wrote:
> > That you are seeing it on i386 makes it less likely to be system 
> > specific (though because those two share so much, does not rule it out.)
> 
> It happens in kcopy, an assembly language routine, in which I do not
> see how we can get EINVAL returned.
> 
> The backtrace is:
> kcopy
> uiomove
> ubc_uiomove

kcopy faults and EINVAL come from uvm_fault?  You'll have to look
there.

-- 
Quentin Garnier - cube%cubidou.net@localhost
"See the look on my face from staying too long in one place
[...] every time the morning breaks I know I'm closer to falling"
KT Tunstall, Saving My Face, Drastic Fantastic, 2007.

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