Re: mmiotracer hangs the system

From: Steven Rostedt
Date: Fri Aug 19 2016 - 09:34:24 EST



Andy,

OK, the ball is in your court. Karol can't reproduce it, thus it will
require you sending debug information back so we can get this solved.

-- Steve


On Fri, 19 Aug 2016 12:35:24 +0200
karol herbst <karolherbst@xxxxxxxxx> wrote:

> Hi everybody,
>
> is there any update on that issue I missed somehow? I really don't
> want to leave the mmiotracer in a state, where it breaks something
> while fixing other issues.
>
> But for now, without being able to even reproduce the issue, I can't
> really do much, because the code in the current state looks sane to
> me. Maybe this case includes the mmiotracer cleaning things up and
> arms new region for mmiotracing and that's why it fails? Besides that,
> I have no idea and no way to reproduce this, so I can't help this way.
>
> Greetings
>
> 2016-08-02 18:13 GMT+02:00 Steven Rostedt <rostedt@xxxxxxxxxxx>:
> > On Tue, 2 Aug 2016 19:08:24 +0300
> > Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:
> >
> >> I don't think so, since linux-next doesn't work until I revert this commit.
> >>
> >> I can try exactly v4.6 (yep, I tried stable versions, including
> >> v4.4.16 that's why all of them failed to me) if you still would like
> >> me to do so.
> >
> > If linux-next doesn't work, then don't bother.
> >
> > That commit obviously broke something and you'll probably need help
> > from Karol to fix it.
> >
> > Thanks,
> >
> > -- Steve