[syslog-ng]syslog and -HUP

Hello! I use stable syslog-ng-1.6.7-1 on RH7.3. When at night the logrotate does a rotate and sends a signal HUP to syslog-ng it causet to syslog-ng stop write to all logfile (but write messages from kernel!). I know, that it is a old problem, but I not understand where is solution. When I attach to syslog-ng process by strace I see many poll([{fd=65, events=POLLIN},........ strings, but only kernel messages are ends on .... ], 103, 100) = 1 and write below. Please, help. -- Andy (ANDY-UANIC)