From: Conny Seidel <conny.seidel@amd.com>
To: Borislav Petkov <bp@amd64.org>, Jan Kara <jack@suse.cz>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Fengguang Wu <fengguang.wu@intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <jweiner@redhat.com>
Subject: Re: divide error: bdi_dirty_limit+0x5a/0x9e
Date: Mon, 24 Sep 2012 20:16:50 +0200 [thread overview]
Message-ID: <20120924201650.6574af64.conny.seidel@amd.com> (raw)
In-Reply-To: <20120924143609.GH22303@aftab.osrc.amd.com>
[-- Attachment #1: Type: text/plain, Size: 1517 bytes --]
Hi,
On Mon, 24 Sep 2012 16:36:09 +0200
Borislav Petkov <bp@amd64.org> wrote:
>[ … ]
>
>Conny, would you test pls?
Sure thing.
Out of ~25 runs I only triggered it once, without the patch the
trigger-rate is higher.
[ 55.098249] Broke affinity for irq 81
[ 55.105108] smpboot: CPU 1 is now offline
[ 55.311216] smpboot: Booting Node 0 Processor 1 APIC 0x11
[ 55.333022] LVT offset 0 assigned for vector 0x400
[ 55.545877] smpboot: CPU 2 is now offline
[ 55.753050] smpboot: Booting Node 0 Processor 2 APIC 0x12
[ 55.775582] LVT offset 0 assigned for vector 0x400
[ 55.986747] smpboot: CPU 3 is now offline
[ 56.193839] smpboot: Booting Node 0 Processor 3 APIC 0x13
[ 56.212643] LVT offset 0 assigned for vector 0x400
[ 56.423201] Got negative events: -25
The Divide error wasn't triggered with the patch applied.
--
Kind regards.
Conny Seidel
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WARNING: multiple messages have this Message-ID (diff)
From: Conny Seidel <conny.seidel@amd.com>
To: Borislav Petkov <bp@amd64.org>, Jan Kara <jack@suse.cz>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
Fengguang Wu <fengguang.wu@intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <jweiner@redhat.com>
Subject: Re: divide error: bdi_dirty_limit+0x5a/0x9e
Date: Mon, 24 Sep 2012 20:16:50 +0200 [thread overview]
Message-ID: <20120924201650.6574af64.conny.seidel@amd.com> (raw)
In-Reply-To: <20120924143609.GH22303@aftab.osrc.amd.com>
[-- Attachment #1: Type: text/plain, Size: 1517 bytes --]
Hi,
On Mon, 24 Sep 2012 16:36:09 +0200
Borislav Petkov <bp@amd64.org> wrote:
>[ … ]
>
>Conny, would you test pls?
Sure thing.
Out of ~25 runs I only triggered it once, without the patch the
trigger-rate is higher.
[ 55.098249] Broke affinity for irq 81
[ 55.105108] smpboot: CPU 1 is now offline
[ 55.311216] smpboot: Booting Node 0 Processor 1 APIC 0x11
[ 55.333022] LVT offset 0 assigned for vector 0x400
[ 55.545877] smpboot: CPU 2 is now offline
[ 55.753050] smpboot: Booting Node 0 Processor 2 APIC 0x12
[ 55.775582] LVT offset 0 assigned for vector 0x400
[ 55.986747] smpboot: CPU 3 is now offline
[ 56.193839] smpboot: Booting Node 0 Processor 3 APIC 0x13
[ 56.212643] LVT offset 0 assigned for vector 0x400
[ 56.423201] Got negative events: -25
The Divide error wasn't triggered with the patch applied.
--
Kind regards.
Conny Seidel
##################################################################
# Email : conny.seidel@amd.com GnuPG-Key : 0xA6AB055D #
# Fingerprint: 17C4 5DB2 7C4C C1C7 1452 8148 F139 7C09 A6AB 055D #
##################################################################
# Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach #
# General Managers: Alberto Bozzo #
# Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen #
# HRB Nr. 43632 #
##################################################################
[-- Attachment #2: signature.asc --]
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next prev parent reply other threads:[~2012-09-24 18:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-24 10:23 divide error: bdi_dirty_limit+0x5a/0x9e Borislav Petkov
2012-09-24 10:23 ` Borislav Petkov
2012-09-24 10:38 ` Srivatsa S. Bhat
2012-09-24 10:38 ` Srivatsa S. Bhat
2012-09-24 11:05 ` Borislav Petkov
2012-09-24 11:05 ` Borislav Petkov
2012-09-24 11:13 ` Srivatsa S. Bhat
2012-09-24 11:13 ` Srivatsa S. Bhat
2012-09-24 11:34 ` Fengguang Wu
2012-09-24 11:34 ` Fengguang Wu
2012-09-24 11:51 ` Srivatsa S. Bhat
2012-09-24 11:51 ` Srivatsa S. Bhat
2012-09-24 12:20 ` Borislav Petkov
2012-09-24 12:20 ` Borislav Petkov
2012-09-24 12:29 ` Fengguang Wu
2012-09-24 12:29 ` Fengguang Wu
2012-09-24 12:56 ` Borislav Petkov
2012-09-24 12:56 ` Borislav Petkov
2012-09-24 18:54 ` Srivatsa S. Bhat
2012-09-24 18:54 ` Srivatsa S. Bhat
2012-09-24 14:23 ` Jan Kara
2012-09-24 14:23 ` Jan Kara
2012-09-24 14:36 ` Borislav Petkov
2012-09-24 14:36 ` Borislav Petkov
2012-09-24 18:16 ` Conny Seidel [this message]
2012-09-24 18:16 ` Conny Seidel
2012-09-24 18:19 ` Borislav Petkov
2012-09-24 18:19 ` Borislav Petkov
2012-09-24 18:48 ` Srivatsa S. Bhat
2012-09-24 18:48 ` Srivatsa S. Bhat
2012-09-24 19:31 ` Borislav Petkov
2012-09-24 19:31 ` Borislav Petkov
2012-09-24 20:07 ` Jan Kara
2012-09-24 20:07 ` Jan Kara
2012-09-24 20:17 ` Jan Kara
2012-09-24 20:17 ` Jan Kara
2012-09-24 21:21 ` Andrew Morton
2012-09-24 21:21 ` Andrew Morton
2012-09-24 22:27 ` Jan Kara
2012-09-24 22:27 ` Jan Kara
2012-09-25 8:57 ` Conny Seidel
2012-09-25 8:57 ` Conny Seidel
2012-09-24 20:48 ` [PATCH] CPU hotplug, writeback: Don't call writeback_set_ratelimit() too often during hotplug Srivatsa S. Bhat
2012-09-24 20:48 ` Srivatsa S. Bhat
2012-09-28 12:27 ` Fengguang Wu
2012-09-28 12:27 ` Fengguang Wu
2012-09-28 14:46 ` Srivatsa S. Bhat
2012-09-28 14:46 ` Srivatsa S. Bhat
2012-10-03 23:11 ` Ni zhan Chen
2012-10-03 23:11 ` Ni zhan Chen
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