Marvin, I follow your instruction, when I run tain and plug in the modem USB cord this happen. Aug 7 08:26:14 hermes-desktop kernel: [ 81.136016] usb 3-2: new full speed USB device using uhci_hcd and address 2 Aug 7 08:26:14 hermes-desktop kernel: [ 81.355148] usb 3-2: configuration #1 chosen from 1 choice Aug 7 08:26:14 hermes-desktop kernel: [ 81.393889] ST7554 USB Modem. Aug 7 08:26:14 hermes-desktop kernel: [ 81.412076] *pde = 00000000 Aug 7 08:26:14 hermes-desktop kernel: [ 81.412089] Dumping ftrace buffer: Aug 7 08:26:14 hermes-desktop kernel: [ 81.412092] (ftrace buffer empty) Aug 7 08:26:14 hermes-desktop kernel: [ 81.412094] Modules linked in: slusb(+) nls_iso8859_1 nls_cp437 vfat fat binfmt_misc bridge stp bnep slamr(P) video output input_polldev lp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event iTCO_wdt psmouse iTCO_vendor_support ppdev snd_seq parport_pc btusb pcspkr serio_raw snd_timer snd_seq_device parport intel_agp agpgart snd soundcore snd_page_alloc usb_storage atl1 mii floppy fbcon tileblit font bitblit softcursor Aug 7 08:26:14 hermes-desktop kernel: [ 81.412142] Aug 7 08:26:14 hermes-desktop kernel: [ 81.412145] Pid: 3467, comm: modprobe Tainted: P (2.6.28-11-generic #42-Ubuntu) System Product Name Aug 7 08:26:14 hermes-desktop kernel: [ 81.412149] EIP: 0060:[<c02cc06b>] EFLAGS: 00010292 CPU: 2 Aug 7 08:26:14 hermes-desktop kernel: [ 81.412152] EIP is at vsnprintf+0x2b/0x5c0 Aug 7 08:26:14 hermes-desktop kernel: [ 81.412154] EAX: f1c1eeb0 EBX: 00000000 ECX: 00000000 EDX: 00000014 Aug 7 08:26:14 hermes-desktop kernel: [ 81.412156] ESI: fffffff4 EDI: f1d0bcb4 EBP: f1d0bc64 ESP: f1d0bc1c Aug 7 08:26:14 hermes-desktop kernel: [ 81.412159] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Aug 7 08:26:14 hermes-desktop kernel: [ 81.412166] c06d3380 c06d3380 c06d5780 f2e78000 00000010 f1d0bc8c c0193f99 00000014 Aug 7 08:26:14 hermes-desktop kernel: [ 81.412409] ---[ end trace 64cffe47f1f5c34a ] I installed wvdial and I run wvdialconf and this happen Scanning your serial ports for a modem. ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud ttyS0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud ttyS0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up. Modem Port Scan<*1>: S1 S2 S3 Sorry, no modem was detected! Is it in use by another program? Did you configure it properly with setserial? Why this could happen???? Sorry for my bad English.. __________ Informacion de ESET Smart Security, version de la base de firmas de virus 3832 (20090206) __________ ESET Smart Security ha comprobado este mensaje. http://www.eset.com -- Este mensaje le ha llegado mediante el servicio de correo electronico que ofrece Infomed para respaldar el cumplimiento de las misiones del Sistema Nacional de Salud. La persona que envia este correo asume el compromiso de usar el servicio a tales fines y cumplir con las regulaciones establecidas Infomed: http://www.sld.cu/