Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S932928AbbGUPI4 (ORCPT <rfc822;w@1wt.eu>);
	Tue, 21 Jul 2015 11:08:56 -0400
Received: from mout3.freenet.de ([195.4.92.93]:48413 "EHLO mout3.freenet.de"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S932289AbbGUPIx (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Tue, 21 Jul 2015 11:08:53 -0400
From: Andreas Hartmann <andihartmann@01019freenet.de>
X-Newsgroups: linux.kernel
Subject: Since Linux 4.1: A lot of AMD-Vi IO_PAGE_FAULTs
Date: Tue, 21 Jul 2015 17:04:36 +0200
Organization: privat
Message-ID: <55AE5F84.5020204@01019freenet.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.0.1
To: linux-kernel@vger.kernel.org
X-Originated-At: 217.234.227.130!58701
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 1876
Lines: 63

Hello!

Since Linux 4.1, I'm getting a lot of IO_PAGE_FAULT like this one

[   17.048609] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:11.0
domain=0x0008 address=0x40ebaaab00618000 flags=0x0010]

with different addresses:

0x40ebaaab00618000
0x40ebaaab00618040
0x0000000000000000
0x0000000000000180
0x00000000000000c0
0x0000000000000080
0x0000000000000100
0x0000000000000040
0x0000000000000140
0x00000000000001c0
0x0000000000000200
0x0000000000000240
0x0000000000000280

...

device=00:11.0 is:

# lspci -vvs 00:11.0
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] (rev 40) (prog-if 01 [AHCI
1.0])
        Subsystem: Gigabyte Technology Co., Ltd Device b002
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 32, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 19
        Region 0: I/O ports at ff00 [size=8]
        Region 1: I/O ports at fe00 [size=4]
        Region 2: I/O ports at fd00 [size=8]
        Region 3: I/O ports at fc00 [size=4]
        Region 4: I/O ports at fb00 [size=16]
        Region 5: Memory at fdfff000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [70] SATA HBA v1.0 InCfgSpace
        Capabilities: [a4] PCI Advanced Features
                AFCap: TP+ FLR+
                AFCtrl: FLR-
                AFStatus: TP-
        Kernel driver in use: ahci


Any idea what could be wrong?


Thanks,
kind regards,
Andreas Hartmann
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/