Messages in this thread | | | Date | Tue, 2 Aug 2016 11:31:48 -0400 | From | Steven Rostedt <> | Subject | Re: mmiotracer hangs the system |
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On Tue, 2 Aug 2016 18:07:38 +0300 Andy Shevchenko <andy.shevchenko@gmail.com> wrote:
> Use another Karol's address (found in MAINTAINERS) > > On Tue, Aug 2, 2016 at 6:05 PM, Andy Shevchenko > <andy.shevchenko@gmail.com> wrote: > > +Cc: Karol, Ingo > > > > On Tue, Aug 2, 2016 at 1:08 PM, Andy Shevchenko > > <andy.shevchenko@gmail.com> wrote: > >> Hi! > >> > >> I'm trying to use mmio tracer with recent kernels (in this particular > >> case today's linux-next). > > > > Tested on other board and found that v4.5 works while v4.5.7 doesn't. > > Bisecting to > > > > commit d62a28a60562a8ba82e67e13c268245f37e796cb > > Author: Karol Herbst <nouveau@karolherbst.de> > > Date: Thu Mar 3 02:03:11 2016 +0100 > > > > x86/mm/kmmio: Fix mmiotrace for hugepages > > > > commit cfa52c0cfa4d727aa3e457bf29aeff296c528a08 upstream. > > > > Reverting _helps_ for x86 and x86_64 builds. > >
That commit was added in 4.6. Does that kernel work? Maybe it was a bad backport?
-- Steve
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