On Tue, 17 Feb 2009, zhao.ming9@xxxxxxxxxx wrote: > could you tell me the model of the modem you used? the error is > confused, and I haven't receive the same question about it.in theory, > the modem cann't switch to idProduct=0076 except some fw's bug. > please use AT command in ttyUSB1/2 to get the device information: > at+cgmr ----------------------get fw version > at+cgmm -------------------get model AT+CGMR BD_TMOP673M3V1.0.1B02 OK AT+CGMM MF626 OK It changes the PID to 0x0076 as soon as ATDT*99# is sent through ttyUSB1. Through ttyUSB2, everything works fine. > could you tell me the distro(openSUSE?) and kernel version which you used? This is idependent on kernel and distro version, the behavior is the same at least from 2.6.26 to 2.6.29. -- Jiri Kosina SUSE Labs