"Jrgen_P._Tjern":
> Sure! See the attached aufs.log. :-)

Thank you.
It seems your environment is broken.

> [135136.953541] BUG: warning at 
> /root/aufs.wcvs/aufs/fs/aufs/super.c:503/alloc_sbinfo()
        :::
> [135147.517991] sb cea18e40, sbinfo 00000000
> [135147.518018] BUG: warning at 
> /root/aufs.wcvs/aufs/fs/aufs/super.c:240/aufs_umount_begin()
        :::

This shows,
- a memory area (sbinfo) is allocated correctly and aufs uses it.
- aufs doesn't free it.
- but it is freed by someone, somewhere. and aufs cannot work.

It may be possible to check whether the pointer is NULL or not, and stop
crashing at umounting aufs. But I am afraid soon you will meet another
problem.
I suggest you to compile other module by yourself and test it, or to
check the compile environment. Unloading uncessary modules may be
meaningful.


Junjiro Okajima

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