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From: Kai Krakow <hurikhan77+btrfs@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: Error from Trying to Mount Btrfs
Date: Wed, 13 Nov 2013 09:27:40 +0100	[thread overview]
Message-ID: <sopbla-03g.ln1@hurikhan77.spdns.de> (raw)
In-Reply-To: 1382915825.53433.YahooMailNeo@web125705.mail.ne1.yahoo.com

gatlin sullivan <gatlinsullivan@yahoo.com> schrieb:

> I have the attached error from trying to mount btrfs on external hard
> drive. The F.S. was my primary system, then I dd'd it to an external and
> reinstalled Fedora.
> 
[...]
> 
> What should I do?
> 
> Appreciatively, Gatlin.
> 
> P.S.
> This file system is very important to me becasue it has a large collection
> of songs.
>
> [root@dell-studio-1555 ~]# dmesg | tail
> [ 1773.320077] btrfs: open_ctree failed
> [ 1800.704035] mce: [Hardware Error]: Machine check events logged
> [ 1969.644418] CPU0: Core temperature above threshold, cpu clock throttled
> (total events = 42644)
> [ 1969.645068] CPU0: Core temperature/speed normal
> [ 1979.367137] device label fedora devid 1 transid 115316 /dev/sdb3
> [ 1979.369388] btrfs: superblock checksum mismatch
> [ 1979.374137] btrfs: open_ctree failed
> [ 2145.217088] device label fedora devid 1 transid 115316 /dev/sdb3
> [ 2145.229732] btrfs: superblock checksum mismatch
> [ 2145.234772] btrfs: open_ctree failed

Is that system overclocked? If yes, I suppose something bad happened to your 
data during dd and it is just borked now.

Another idea: After dd, did you recreate the original fs so it got a new 
uuid? Otherwise your system may now see the same uuid in two places.

Regards,
Kai


  reply	other threads:[~2013-11-13  8:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-27 23:17 Error from Trying to Mount Btrfs gatlin sullivan
2013-11-13  8:27 ` Kai Krakow [this message]
2013-11-13 12:52 ` Duncan

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