From: Pavel Machek <pavel@suse.cz>
To: kernel list <linux-kernel@vger.kernel.org>
Cc: tytso@mit.edu
Subject: SD/MMC cards: how crappy they are?
Date: Tue, 2 Dec 2008 15:48:30 +0100 [thread overview]
Message-ID: <20081202144830.GB1549@ucw.cz> (raw)
I have 32GB card here...
root@amd:/home/pavel/WWW/wear/tinylight# time cat /dev/mmc1 > /dev/null
cat: /dev/mmc1: Input/output error
1.32user 49.03system 4184.78 (69m44.789s) elapsed 1.20%CPU
...maybe it was because of powerfail? I'll try to run badblocks to
recover it...
...I did. Badblocks did not help, but cat /dev/zero > /dev/mmc1
did.. And yes, thosse 'temporarily bad blocks' seem very much
powerfail related.
Its bad, because ext2/3 does not seem to handle this very well... not
even fsck does the selective rewrite... :-(.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next reply other threads:[~2008-12-02 14:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-02 14:48 Pavel Machek [this message]
2008-12-02 16:30 ` H. Peter Anvin
2008-12-02 16:56 ` Theodore Tso
2008-12-02 17:59 ` H. Peter Anvin
2008-12-04 10:32 ` Pavel Machek
2008-12-04 19:03 ` H. Peter Anvin
2008-12-26 21:46 ` Pavel Machek
2008-12-26 21:49 ` H. Peter Anvin
2008-12-26 22:39 ` Pavel Machek
2008-12-27 1:03 ` Ben Pfaff
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