On 11/19/13, 9:27 PM, Marc MERLIN wrote:
> Here is another way in which btrfs-tools crashes if it sees things it
> doesn't like.
> 
> Is anyone interested in those, or not really?
> 
> gandalfthegreat:/tmp# btrfs-find-root /dev/mapper/ssdcrypt 
> Check tree block failed, want=20971520, have=10422900740180685247
> Check tree block failed, want=20971520, have=10422900740180685247
> Check tree block failed, want=20971520, have=9351833364687311396
> Check tree block failed, want=20971520, have=9351833364687311396
> Check tree block failed, want=20971520, have=9351833364687311396
> read block failed check_tree_block
> Couldn't read chunk root
> Segmentation fault (core dumped)
> 
> btrfs-tools 0.19+20130705-3
> 

Can you try the 3.12 release of btrfs-progs?  Lots of stuff
fixed since 0.19 / July 2013.

Still might segfault ;) but please test upstream...

-Eric
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