I suggest this patch that keep random sleep and does not lock other tasks.
-- Alain Rpnpif
--- /etc/cron.daily/apt 2011-04-15 23:06:01.000000000 +0200 +++ apt 2012-08-02 10:37:00.184091894 +0200 @@ -307,6 +307,9 @@ # ------------------------ main ---------------------------- +# See the matched ")" +( + # Backup the 7 last versions of APT's extended_states file # shameless copy from dpkg cron if cd /var/backups ; then @@ -493,6 +496,9 @@ # check cache size check_size_constraints +# Make work in background to not lock other crond tasks. +) & + # # vim: set sts=4 ai : #
