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SubjectRe: [PATCH 0/3 v2] nmi perf fixes
On Mon, Sep 13, 2010 at 11:54:59AM +0200, Stephane Eranian wrote:
> Robert,
>
> I have able to reproduce very easily on:
>
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 16
> model : 2
> model name : AMD Phenom(tm) 8450 Triple-Core Processor
> stepping : 3
>
> using:
>
> $ perf record -g ./hackbench 10
> Time: 0.415
> [ perf record: Woken up 3 times to write data ]
> [ perf record: Captured and wrote 0.706 MB perf.data (~30841 samples) ]
> $ dmesg | tail
> [ 418.946001] Uhhuh. NMI received for unknown reason 3d on CPU 0.
> [ 418.946001] Do you have a strange power saving mode enabled?
> [ 418.946001] Dazed and confused, but trying to continue
>
> This is with 2.6.36-rc4-tip as of this morning from tip-x86.
>

Hi Stephane, the hackbench is Ingo's one? I've been using
http://people.redhat.com/mingo/cfs-scheduler/tools/hackbench.c

-- Cyrill


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