If using 6.5.0, modified /etc/logrotate.d/syslog (7.0.0 already fix this issue):
from
...
/bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
...
to:
...
# /bin/kill -HUP `cat /var/run/syslogd.pid 2> /dev/null` 2> /dev/null || true
service rsyslog restart >/dev/null 2>&1 || true
...