Date: Fri, 26 Dec 2008 22:46:25 +0100
From: Pavel Machek <pavel@suse.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Theodore Tso <tytso@mit.edu>, kernel list <linux-kernel@vger.kernel.org>
Subject: Re: SD/MMC cards: how crappy they are?
Message-ID: <20081226214625.GA25153@atrey.karlin.mff.cuni.cz>
References: <20081202144830.GB1549@ucw.cz> <493562A5.40308@zytor.com> <20081202165608.GD18162@mit.edu> <4935778E.1020405@zytor.com> <20081204103206.GD22396@elf.ucw.cz> <49382973.4000908@zytor.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <49382973.4000908@zytor.com>
User-Agent: Mutt/1.5.13 (2006-08-11)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1039
Lines: 24

> Pavel Machek wrote:
> >>>
> >> I have seen flash cards die permanently from having a partition table it
> >> didn't like written to it.  Yes, the microcontroller on the flash card
> >> tried to interpret the partition table, assumed to be MS-DOS style, and
> >> would crash.
> > 
> > Aha... that explains why I killed few flashcards by tar xzvf /dev/sdX files
> > ... hopefully thats fixed in the better/bigger cards now.
> > 
> 
> Also had a batch of cards which would silently "correct" the partition
> table for you to align the partitions to its flash erase blocks.

Can you mention the manufacturer/model? Silendt data corruption is a
nasty thing....
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
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/