linux-kernel - Investigating SD card failures

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Message-ID: <20070727055026.GB27423@roarinelk.homelinux.net>
Date:	Fri, 27 Jul 2007 07:50:26 +0200
From:	Manuel Lauss <mano@...rinelk.homelinux.net>
To:	drzeus-mmc@...eus.cx
Cc:	linux-kernel@...r.kernel.org
Subject: Investigating SD card failures

Hi Pierre,

I have a 1GB SanDisk SD card here which linux does not recognize.
Looking at the MMC debug output, I see the MMC core repeatedly
issues CMD55/CMD41 commands (which all succeed!) then stops
after 100 times.  In sd_ops.c the code checks for a bit to get set.
My question is, what exactly is this bit supposed to indicate?

Thanks,
	Manuel Lauss
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