On Sat, 22 Aug 2015, Jernej Simončič wrote:
> Since I wanted the machine back and running as soon as possible, I
> mounted /var read-only, copied off whatever I could, and formatted the
> partition again, but I saved an image of the partition before doing
> that. Here's the jfs_fsck output:

If you still have the partition image - can you try running jfs_fsck on 
that image on another system? Maybe the segfault got triggered by a memory 
error?

> Last line is "Segmentation fault (core dumped)". I can provide the
> core file if needed.

Does "gdb" on the core file reveal anything interesting? E.g. 

 gdb -c ./core /usr/sbin/jfs_fsck -ex bt

Christian.
-- 
BOFH excuse #97:

Small animal kamikaze attack on power supplies

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