Re: drm/mgag200: doesn't work in panic context

Rui Wang
2015-06-30T03:12:09Z

On Monday, June 29, 2015 5:25 PM, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> As long as the display is up and running we should have a fair stab at
> showing the oops - it's just that no one has seriously bothered with
> the necessary infastructure, automated testing (it won't work
> otherwise) and driver work.

I think testing can be done by injecting a fatal machine check exception
via einj's debugfs interface. I can reproduce the hard hang every time.
I think It can be a simple script or C program do to the automated testing.
If anyone has any patch I'll be happy to help test it out.

Thanks
Rui