[XFS on bad superblock] BUG: unable to handle kernel NULL pointer dereference at 00000003

[Fengguang Wu]

Dave,

> I note that you have CONFIG_SLUB=y, which means that the cache slabs
> are shared with objects of other types. That means that the memory
> corruption problem is likely to be caused by one of the other
> filesystems that is probing the block device(s), not XFS.

Good to know that, it would easy to test then: just turn off every
other filesystems. I'll try it right away.

Thanks,
Fengguang