Messages in this thread | | | From | Andy Shevchenko <> | Date | Fri, 19 Aug 2016 16:02:00 +0300 | Subject | Re: mmiotracer hangs the system |
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On Fri, Aug 19, 2016 at 1:35 PM, karol herbst <karolherbst@gmail.com> wrote: > 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.
No updates. I'm busy right now with more priority tasks and revert works for me. Issue is reproducible in my case 100%.
So, I would able to attach dmesg in case it would be helpful. Otherwise tell me exact instructions how to debug the issue.
Here you are: http://pastebin.com/raw/VfTZENt7
> 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.
Maybe. First thing happened is iounmap().
> 2016-08-02 18:13 GMT+02:00 Steven Rostedt <rostedt@goodmis.org>: > > On Tue, 2 Aug 2016 19:08:24 +0300 > > Andy Shevchenko <andy.shevchenko@gmail.com> 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.
-- With Best Regards, Andy Shevchenko
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