My e2fsck always gets stuck after these lines and many numbers:
Pass 1C: Scanning directories for inodes with multiply-claimed blocks
Pass 1D: Reconciling multiply-claimed blocks
(There are 68657 inodes containing multiply-claimed blocks.)
Here's my Thread about it on my distributions forums:
The process isn't killable nicely and I have to use kill -9 to get it stop using 100 % of my cpu.