I am just confirming that today's update to 2.6.35-23-generic kernel still has the same problem, and that the equivalent mainline kernel (package called 2.6.35-02063509) does work. So it seems that running the mainline kernels is another workaround.
I am just confirming that today's update to 2.6.35-23-generic kernel still has the same problem, and that the equivalent mainline kernel (package called 2.6.35-02063509) does work. So it seems that running the mainline kernels is another workaround.