From: Nico Schottelius <nico-kernel-2014-08-14@schottelius.org>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Nico Schottelius <nico-kernel-2014-08-14@schottelius.org>,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: Linux 3.16: O2 Micro MMC missing in lspci
Date: Sun, 14 Sep 2014 14:55:22 +0200 [thread overview]
Message-ID: <20140914125522.GF26638@schottelius.org> (raw)
In-Reply-To: <20140914102408.391efcaf@kant>
Hey Stefan,
(un-)fortunately I don't have the device anymore,
so I cannot test anymore.
Cheers,
Nico
Stefan Richter [Sun, Sep 14, 2014 at 10:24:08AM +0200]:
> On Aug 14 Nico Schottelius wrote:
> > Hello,
> >
> > when booting into 3.16.0-2-ARCH I miss the following
> > entry in lspci:
> >
> > [12:50] gold:debug-sd-card-reader% diff 3.15/lspci 3.16/lspci
> > 17d16
> > < 03:00.0 SD Host controller: O2 Micro, Inc. SD/MMC Card Reader
> > Controller (rev 01)
> >
> > This causes my system to be unable to mount/see the sd cards.
> > My hardware is a Dell E7440 notebook.
> >
> > I attached dmesg & lspci of both kernels.
> >
> > Anyone an idea on what might be wrong?
> >
> > The only related issues I found is
> > https://bugs.archlinux.org/task/26971
> >
> > and that there was a change in the mmc area:
> >
> > https://lkml.org/lkml/2014/6/10/491
> >
> > Cheers,
> >
> > Nico
> >
> > p.s.: Please cc on reply
>
> Both the archlinux bug and the pull request very much appear to be
> unrelated to your issue. In your case, the MMC subsystem is not involved
> since the PCI device of the SD controller is not exposed to the MMC
> subsystem anymore, just like it is not exposed in lspci anymore.
>
> I suggest as next steps:
> - Test whether the issue still exists in the newest kernel that you are
> able to install. (v3.17-rc4 is current, v3.16.2 is the lastest on in
> the 3.16 branch.)
> - Post the dmesg output from a successful boot with 3.15 and from an
> unsuccessful boot with 3.16.
>
> [added Cc: linux-pci]
> --
> Stefan Richter
> -=====-====- =--= -===-
> http://arcgraph.de/sr/
--
New PGP key: 659B 0D91 E86E 7E24 FD15 69D0 C729 21A1 293F 2D24
prev parent reply other threads:[~2014-09-14 12:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-14 10:53 Linux 3.16: O2 Micro MMC missing in lspci Nico Schottelius
2014-09-14 8:24 ` Stefan Richter
2014-09-14 12:55 ` Nico Schottelius [this message]
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