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SubjectRe: tracing ring_buffer_resize oops.
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On Thu, 2012-05-24 at 14:47 -0400, Dave Jones wrote:
> On Thu, May 24, 2012 at 01:35:14PM -0400, Steven Rostedt wrote:
>
> > Hmm, I wonder if this is the break point change :-/
> >
> > Do you have NMIs enabled? I didn't have 'paranoid_exit' in my backtrace
> > when I saw the bug.
>
> $ grep NMI .config
> CONFIG_OPROFILE_NMI_TIMER=y
> CONFIG_HAVE_PERF_EVENTS_NMI=y
> CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
> CONFIG_HPWDT_NMI_DECODING=y
> # CONFIG_DEBUG_NMI_SELFTEST is not set

Could you email your entire config. I haven't been able to trigger the
bug again. Maybe your config might do it :-/

Also, how reproducible is it? When it triggered for me, it was constant.
Every boot and test failed. But after I did the make mrproper, I have
not been able to trigger it again. This is why I put it down as a bad
build.

-- Steve




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