Hi everyone, I managed to get connected to the internet via dial-up. Though I've used another laptop, it hosted Motorola Si3054 modem with 0x10573055 chip ( I have two different laptops with the same modem). Sl-modem-daemon worked fine for me and I use wvdial or Gnome-ppp to dial. But, if I disconnect from the internet, I can't connect any more as Wvdial reports No Carrier. If I kill slmodemd and run slmodemd in debug mode, I'll get following error: ezhik@ubuntu-laptop:~$ sudo slmodemd -c NEW_ZEALAND --alsa hw:0,6 --debug=2 SmartLink Soft Modem: version 2.9.11 Mar 22 2010 23:11:18 <319.520259> SmartLink Soft Modem: version 2.9.11 Mar 22 2010 23:11:18 <319.520296> hw:0,6: startup modem... <319.520955> hw:0,6: update termios... symbolic link `/dev/ttySL0' -> `/dev/pts/0' created. modem `hw:0,6' created. TTY is `/dev/pts/0' <319.521061> open file: /var/lib/slmodem/data.hw:0,6... <319.535427> main: rt applyed: SCHED_FIFO, pri 99 error: locked memory limit too low: error: need 8388608 bytes, have 65536 bytes error: try 'ulimit -l 8192' So how can I reconnect without reboot? Thanks, Maksym