Problème d'upgrade

[LL <lecoeur-l@lcw.net>]

Bonjour

ce matin je fais mon dist-upgrade quotidien sur ma Sid, et apres avoir
téléchargé les packages, le message suivant apparait, puis "pouf" plus
rien !

Reading Package Lists... Done
Building Dependency Tree... Done
Calculating Upgrade... Done
The following packages will be REMOVED:
  libpng12-0-dev
The following NEW packages will be installed:
  foomatic-db-engine foomatic-db-hpijs foomatic-filters hpijs initscripts libpng10-0 libpng12-dev libsasl2 sysv-rc
The following packages have been kept back
  php4-xslt wmweather+
89 packages upgraded, 9 newly installed, 1 to remove and 2  not upgraded.
Need to get 0B/108MB of archives. After unpacking 996kB will be used.
Do you want to continue? [Y/n]
E: Internal Error, Could not perform immediate configuration (2) on sysvinit

Qu'est ce qu'il se passe ? Que dois-je faire pour corriger ca ?

Cordialement

Loïc