After upgrade from Ubuntu 9.04 to 9.10 my modem Hauwei stops working on the newest kernel (2.6.31-15).
After run Ubuntu 9.10 Karmic Koala with old kernel 2.6.28-13 (from Ubuntu Jaunty) all works perfectly. So the problem still exists in the kernel.
After upgrade from Ubuntu 9.04 to 9.10 my modem Hauwei stops working on the newest kernel (2.6.31-15).
After run Ubuntu 9.10 Karmic Koala with old kernel 2.6.28-13 (from Ubuntu Jaunty) all works perfectly.
So the problem still exists in the kernel.