Comment # 5 on bug 1082725 from James Wang

(In reply to Takashi Iwai from comment #4)
> In anyway, it's an old machine, and if you have drm-kmp-default installed,
> try to uninstall and retest.  The 4.9.x based i915 driver that is provided
> by drm-kmp seems buggy for old Intel chips, unfortunately.

copy that.

I'm thinking of it how to reproduce, because when it hangs, it doesn't response
input.

OK, Let me try remove drp-kmp package.

I left it home, so I have to test after work.