Re: [uml-devel] FPU patches broke UML on i7-7700 CPU

[Richard W. <ric...@gm...>]

Natale,

On Wed, Feb 15, 2017 at 3:31 PM, Natale Patriciello
<nat...@gm...> wrote:
>
> Hello,
>
> as I've reported here [1], by changing the work station I've got the
> same UML guest not working anymore. I investigated and the problem root
> is in the code added in this patchset [2] (add extended processor state
> save/restore support). In particular, the ptrace returns < 0 and the
> errno is set to 14. Reverting the code to use the functions
> *_i387_registers () makes everything to work correctly.
>
> There is something I can do for further debugging the issue? Or should I
> live with a modified kernel tree with a reverse patch applied ?

When reporting such bugs, please always CC all affected parties.
Especially the author of the offending patch.

-- 
Thanks,
//richard