linux-kernel - Re: [PATCH 0/3 v2] nmi perf fixes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100913100743.GF5728@lenovo>
Date:	Mon, 13 Sep 2010 14:07:43 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Don Zickus <dzickus@...hat.com>, mingo@...e.hu,
	robert.richter@....com, fweisbec@...il.com,
	linux-kernel@...r.kernel.org, ying.huang@...el.com,
	ming.m.lin@...el.com, yinghai@...nel.org, andi@...stfloor.org
Subject: Re: [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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/