From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Strobach <lalochcz@gmail.com>
Subject: Re: kernel 2.6.38.6 MMC controller problem (fwd)
Date: Mon, 16 May 2011 17:15:08 +0200
Message-ID: <BANLkTin-wiP9ukmPJPo3n5SWqsd=j9rjBg@mail.gmail.com>
References: <Pine.LNX.4.64.1105160830420.4131@axis700.grange>
	<BANLkTinbJfDLp5nfkq-VTYLJvihT1thXvA@mail.gmail.com>
	<Pine.LNX.4.64.1105161044260.4131@axis700.grange>
	<m3d3jik88n.fsf@pullcord.laptop.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: QUOTED-PRINTABLE
Return-path: <linux-mmc-owner@vger.kernel.org>
Received: from mail-iw0-f174.google.com ([209.85.214.174]:61996 "EHLO
	mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1755717Ab1EPPPL convert rfc822-to-8bit (ORCPT
	<rfc822;linux-mmc@vger.kernel.org>); Mon, 16 May 2011 11:15:11 -0400
Received: by iwn34 with SMTP id 34so4000374iwn.19
        for <linux-mmc@vger.kernel.org>; Mon, 16 May 2011 08:15:10 -0700 (PDT)
In-Reply-To: <m3d3jik88n.fsf@pullcord.laptop.org>
Sender: linux-mmc-owner@vger.kernel.org
List-Id: linux-mmc@vger.kernel.org
To: Chris Ball <cjb@laptop.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>, linux-mmc@vger.kernel.org, Greg KH <greg@kroah.com>, horms@verge.net.au, damm@opensource.se, Andrei Warkentin <andreiw@motorola.com>, Linus Walleij <linus.walleij@linaro.org>

Hi,

On Mon, May 16, 2011 at 16:52, Chris Ball <cjb@laptop.org> wrote:

> Just tried to reproduce this, and can't. =A0David, could you share yo=
ur
> .config please?

I use the stock archlinux kernel, so the .config is here:
http://projects.archlinux.org/svntogit/packages.git/tree/kernel26/repos=
/core-x86_64

> (Jaehoon's report looks to me like it could be unrelated, since there=
's
> no divide error there..)

I don't always end up with the divide error either. See the log in the
OP. We can also ask for logs on the archlinux forum thread, I
referenced in the OP.

This is my MMC controller, in case, it matters:

02:00.0 SD Host controller: Ricoh Co Ltd MMC/SD Host Controller (rev 01=
)
        Subsystem: Toshiba America Info Systems Device 0001
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dfast >TAbort=
-
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at d7200200 (32-bit, non-prefetchable) [size=3D=
256]
        Capabilities: [50] MSI: Enable- Count=3D1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [78] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 NoSoftRst- PME-Enable- DSel=3D0 DScale=3D2 P=
ME+
        Capabilities: [80] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
unlimited, L1 unlimited
                        ExtTag- AttnBtn+ AttnInd+ PwrInd+ RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+
AuxPwr- TransPend-
                LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1,
Latency L0 <4us, L1 <64us
                        ClockPM+ Surprise- LLActRep- BwNot-
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled-
Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train-
SlotClk+ DLActive- BWMgmt- ABWMgmt-
        Capabilities: [100 v1] Virtual Channel
                Caps:   LPEVC=3D0 RefClk=3D100ns PATEntryBits=3D1
                Arb:    Fixed- WRR32- WRR64- WRR128-
                Ctrl:   ArbSelect=3DFixed
                Status: InProgress-
                VC0:    Caps:   PATOffset=3D00 MaxTimeSlots=3D1 RejSnoo=
pTrans-
                        Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- W=
RR256-
                        Ctrl:   Enable+ ID=3D0 ArbSelect=3DFixed TC/VC=3D=
ff
                        Status: NegoPending- InProgress-
        Capabilities: [800 v1] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt-
UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt-
UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt-
UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonF=
atalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonF=
atalErr+
                AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap=
+ ChkEn-
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci-pci

David