не работает eix (eix-update)

 # eix-update
[0] "gentoo" /usr/portage/ (cache: metadata-md5-or-flat)
     Reading category 159|159 (100%) Finished             
[1] "calculate" /var/lib/layman/calculate (cache: parse|ebuild*#metadata-md5#metadata-flat#assign)
     Reading category 159|159 (100%) Finished 
Applying masks ..
Calculating hash tables ..
Writing database file /var/cache/eix/portage.eix ..
error while writing to database

Как это решить?