From: Robert Richter <robert.richter@amd.com>
To: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Jerome Glisse <j.glisse@gmail.com>,
Christoph Lameter <cl@linux.com>,
"Alex, Shi" <alex.shi@intel.com>,
Dave Airlie <airlied@redhat.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
dri-devel@lists.freedesktop.org,
Pekka Enberg <penberg@kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Matt Mackall <mpm@selenic.com>,
tj@kernel.org, Alex Deucher <alexander.deucher@amd.com>
Subject: Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
Date: Wed, 7 Dec 2011 15:32:23 +0100 [thread overview]
Message-ID: <20111207143223.GX15738@erda.amd.com> (raw)
In-Reply-To: <20111202204820.GB1603@x4.trippels.de>
On 02.12.11 21:48:20, Markus Trippelsdorf wrote:
> BTW I always see (mostly only on screen, sometimes in the logs):
>
> [Firmware Bug]: cpu 2, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
> [Firmware Bug]: cpu 2, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
> [Firmware Bug]: using offset 1 for IBS interrupts
> [Firmware Bug]: workaround enabled for IBS LVT offset
> perf: AMD IBS detected (0x0000001f)
>
> But I hope that it is only a harmless warning.
> (perf Instruction-Based Sampling)
Yes, the message always apears on AMD family 10h. Nothing to worry
about.
A patch is on the way to soften the message to not scare the people:
http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=16e5294e5f8303756a179cf218e37dfb9ed34417
-Robert
--
Advanced Micro Devices, Inc.
Operating System Research Center
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next prev parent reply other threads:[~2011-12-07 14:32 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-18 7:25 Markus Trippelsdorf
2011-11-18 7:55 ` Markus Trippelsdorf
2011-11-18 8:43 ` Alex,Shi
2011-11-18 8:54 ` Markus Trippelsdorf
2011-11-18 8:57 ` Markus Trippelsdorf
2011-11-18 12:02 ` Markus Trippelsdorf
2011-11-21 0:44 ` Alex,Shi
2011-11-21 7:29 ` Markus Trippelsdorf
2011-11-21 8:05 ` Markus Trippelsdorf
2011-11-21 8:24 ` Markus Trippelsdorf
2011-11-21 8:56 ` Eric Dumazet
2011-11-21 9:16 ` Eric Dumazet
2011-11-21 13:15 ` Markus Trippelsdorf
2011-11-21 14:16 ` Eric Dumazet
2011-11-21 14:21 ` Markus Trippelsdorf
2011-11-21 15:36 ` Markus Trippelsdorf
2011-11-21 15:48 ` Eric Dumazet
2011-11-21 16:10 ` Markus Trippelsdorf
2011-11-21 16:34 ` Markus Trippelsdorf
2011-11-22 8:36 ` Markus Trippelsdorf
2011-12-19 3:21 ` Eric W. Biederman
2011-12-19 9:19 ` Markus Trippelsdorf
2011-12-19 9:06 ` Eric W. Biederman
2011-11-21 16:52 ` Eric Dumazet
2011-11-21 17:15 ` Eric Dumazet
2011-11-21 17:35 ` Markus Trippelsdorf
2011-11-21 18:39 ` Eric Dumazet
2011-11-21 18:52 ` Markus Trippelsdorf
2011-11-21 19:51 ` Markus Trippelsdorf
2011-11-21 20:27 ` Benjamin Herrenschmidt
2011-11-21 21:30 ` Pekka Enberg
2011-11-21 21:43 ` Christoph Lameter
2011-11-22 0:21 ` Christian Kujau
2011-11-22 0:42 ` Christian Kujau
2011-11-22 2:17 ` Benjamin Herrenschmidt
2011-11-22 8:37 ` Christian Kujau
2011-11-22 3:18 ` Christoph Lameter
2011-11-22 7:48 ` Eric Dumazet
2011-11-22 7:51 ` Markus Trippelsdorf
2011-11-22 8:27 ` Eric Dumazet
2011-11-23 7:13 ` Markus Trippelsdorf
2011-11-23 7:20 ` Eric Dumazet
2011-11-22 8:39 ` Christian Kujau
2011-11-22 22:16 ` Benjamin Herrenschmidt
2011-11-22 22:31 ` Eric Dumazet
2011-11-22 22:32 ` Christoph Lameter
2011-11-22 21:58 ` Benjamin Herrenschmidt
2011-11-22 23:12 ` Christian Kujau
2011-11-23 0:18 ` Benjamin Herrenschmidt
2011-11-23 1:22 ` Christian Kujau
2011-11-23 1:43 ` Benjamin Herrenschmidt
2011-11-23 5:51 ` Christian Kujau
2011-11-23 6:59 ` Pekka Enberg
2011-11-23 15:14 ` slub: use irqsafe_cpu_cmpxchg for put_cpu_partial Christoph Lameter
2011-11-23 16:04 ` Eric Dumazet
2011-11-23 18:33 ` Christian Kujau
2011-11-24 6:45 ` Pekka Enberg
2011-11-23 23:15 ` David Rientjes
2011-11-22 8:45 ` WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 Markus Trippelsdorf
2011-11-22 9:25 ` Eric Dumazet
2011-11-22 9:27 ` Eric Dumazet
2011-11-22 9:38 ` Eric Dumazet
2011-11-22 9:46 ` Eric Dumazet
2011-11-22 14:46 ` Christoph Lameter
2011-11-22 14:52 ` Eric Dumazet
2011-11-22 15:02 ` Christoph Lameter
2011-11-22 15:07 ` Christoph Lameter
2011-11-22 16:20 ` Christoph Lameter
2011-11-22 16:32 ` Eric Dumazet
2011-11-22 16:36 ` Christoph Lameter
2011-11-22 16:41 ` Christoph Lameter
2011-11-22 16:53 ` slub: Lockout validation scans during freeing of object Christoph Lameter
2011-11-22 17:21 ` Eric Dumazet
2011-11-22 17:40 ` Christoph Lameter
2011-11-22 18:55 ` Markus Trippelsdorf
2011-11-22 19:20 ` Christoph Lameter
2011-11-22 19:32 ` Markus Trippelsdorf
2011-11-22 19:46 ` Christoph Lameter
2011-11-22 17:59 ` Christoph Lameter
2011-11-22 11:21 ` WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 Markus Trippelsdorf
2011-11-22 14:50 ` Christoph Lameter
2011-11-22 14:44 ` Christoph Lameter
2011-11-21 15:51 ` Markus Trippelsdorf
2011-11-23 16:03 ` Markus Trippelsdorf
2011-11-23 16:06 ` Christoph Lameter
2011-11-24 8:50 ` Markus Trippelsdorf
2011-12-01 8:44 ` Markus Trippelsdorf
2011-12-01 8:53 ` Pekka Enberg
2011-12-02 19:43 ` Jerome Glisse
2011-12-02 20:06 ` Markus Trippelsdorf
2011-12-02 20:48 ` Markus Trippelsdorf
2011-12-07 14:32 ` Robert Richter [this message]
2011-12-07 14:39 ` Markus Trippelsdorf
2011-12-02 23:04 ` Jerome Glisse
2011-12-03 9:28 ` Markus Trippelsdorf
2011-12-03 12:20 ` Dave Airlie
2011-12-03 12:29 ` Markus Trippelsdorf
2011-12-03 19:31 ` Jerome Glisse
2011-12-03 19:32 ` Jerome Glisse
2011-12-04 1:02 ` Markus Trippelsdorf
2011-12-04 17:32 ` Jerome Glisse
2011-12-05 17:10 ` Jerome Glisse
2011-12-05 18:15 ` Markus Trippelsdorf
2011-12-05 18:43 ` Jerome Glisse
2011-12-05 19:11 ` Jerome Glisse
2011-12-05 19:27 ` Markus Trippelsdorf
2011-12-05 20:10 ` Pekka Enberg
2011-12-05 20:20 ` Jerome Glisse
2011-12-05 10:44 ` David Laight
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