Comment 5 for bug 479343

madbiologist (me-again) wrote :

There is a patch in the upstream 3.0-rc3 kernel which may help:

commit 15badbcc8eede58b0d7e53a3acde1c90a7b6e40e
Author: Dan Williams
Date: Mon Jun 6 16:22:44 2011 -0500

    option: add Alcatel X200 to sendsetup blacklist

    This modem really wants sendsetup blacklisted for interfaces 0 and 1,
    otherwise the kernel hardlocks for about 10 seconds while waiting for
    the modem's firmware to respond, which it of course doesn't do.

    A slight complication here is that TCT (who owns the Alcatel brand) used
    the same USB IDs for the X200 as the X060s despite the devices having
    completely different firmware and AT command sets, so we end up adding
    the X060s to the blacklist at the same time. PSA to OEMs: don't use the
    same USB IDs for different devices. Really. It makes your kittens cry.

    Signed-off-by: Dan Williams
    Cc: <email address hidden>
    Signed-off-by: Greg Kroah-Hartman

A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel-ppa/mainline/