usb_modeswitch; how to solve the issue?

[floppy]

hello,
my usb gprs dont switch anymore.
the error appear

Code: [Select]

usb_modeswitch[4025]: segfault at 24 ip b774a033 sp bfb769e4 error 4 in libusb-1.0.so.0.1.0[b7746000+a000]Has somebody an idea what is happening here and what should be done for solving the issue?