panic: softdep_deallocate_dependencies: unrecovered I/O error

[dt71 at gmx.com]

Alexey Dokuchaev wrote, On 10/23/2013 06:26:
> panic: softdep_deallocate_dependencies: unrecovered I/O error

I've seen similar panics relatively often in the last few months, but I deemed them to be the cause of worn IDE cables and old (>10 year old) hard drives.

In fact, I have a core dump (which I apparently forgot to remove -- it's probably useless anyway) with the following panic string:

   softdep_deallocate_dependencies: dangling deps