3) I substituted the module to the stock one, then rebooted;
4) the Oops is gone. So the problem must be in the changes from 0.20.0 and the current driver in the kernel, or in some modification of the ubuntu kernel team. In the first case the bug should be easy to catch, see the list of changes:
Ok, (relatively) good news
1) still with kernel linux-image- 3.15.0- 031500rc2- generic_ 3.15.0- 031500rc2
2) I recompiled the input-wacom-0.20.0 that worked for me in 13.10, from here: http:// sourceforge. net/projects/ linuxwacom/ files/xf86- input-wacom/ input-wacom/ input-wacom- 0.20.0. tar.bz2/ download
3) I substituted the module to the stock one, then rebooted;
4) the Oops is gone. So the problem must be in the changes from 0.20.0 and the current driver in the kernel, or in some modification of the ubuntu kernel team. In the first case the bug should be easy to catch, see the list of changes:
https:/ /sourceforge. net/p/linuxwaco m/input- wacom/ci/ 2d38b3ce57d003c bef854674a4850e 38f32f8c13/ log/?path=
Will test now with 0.21.0 to check if the bug is there.