linux-kernel - Re: 2.6.20 mmc: problem with highspeed SD card

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Message-ID: <45D48CD0.7080107@drzeus.cx>
Date:	Thu, 15 Feb 2007 17:39:44 +0100
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Eugene Ilkov <e.ilkov@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.20 mmc: problem with highspeed SD card

Eugene Ilkov wrote:
>
> I found another related patch
> http://mailman.laptop.org/pipermail/commits-kernel/2007-January/000554.html
>
> so i guess i'm not alone
>

You'd better pray that's not the problem you have because that revert
was because the hardware under development had problems.

>
> mmc debug output is too noisy
> and i can give you only this:
>

That dump doesn't cover the problem, so I can't draw any conclusions
from it.

> i boot into root fs on SD, and it just hangs on remounting to rw, so
> it's not easy to get full dmesg output with i/o error and mmc debug
> info, but i'll try if it helps

I'm afraid I can't help you without a dmesg dump. This problem is most
likely crappy hardware at some point, and I need details to make any
guess about what it doesn't like.

Rgds

-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org

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