[rdiff-backup-users] error : af_unix path too long

[Thibaud Hulin]

Hello !
Thanks for your good work with rdiff_backup !
I have a problem, when I lanuch rdiff-backup with my home folder, I 
obtain this error, and I can't update my record :

SpecialFileError run/dbus/system_bus_socket Socket error: AF_UNIX path 
too long
SpecialFileError run/mysqld/mysqld.sock Socket error: AF_UNIX path too long
Fatal Error: Bad rdiff-backup-data dir on destination side

The rdiff-backup data directory
/media/hda5/backup/home/rdiff-backup-data
exists, but we cannot find a valid current_mirror marker.  You can
avoid this message by removing the rdiff-backup-data directory;
however any data in it will be lost.

Probably this error was caused because the first rdiff-backup session
into a new directory failed.  If this is the case it is safe to delete
the rdiff-backup-data directory because there is no important
information in it.

I looked in the wiki documentation, but I couldn't fall help.

Thanks for ideas,
Thibaud.