I can confirm that with linux- image-3.15.0-031500rc2-generic_3.15.0-031500rc2 the tablet works correctly if I manually load the driver *before* connecting it.
Still, seems a dangerous bug to me. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1310800 Title: Trusty Thar, kernel 3.13: automatic load of wacom.ko driver cause a "hard" kernel panic Status in “linux” package in Ubuntu: Confirmed Bug description: I have just upgraded to 14.04 from 13.10. I have a wacom cth-480 touch+pen tablet, which was not recognized on 13.10 (kernel 3.11). With the stock kernel from 14.04, I have an immediate kernel panic as soon as I plug in the tablet to the laptop. The system is a asus 1005PE (32 bit install), Xubuntu, up-to date: Linux asus-romano 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:08:14 UTC 2014 i686 i686 i686 GNU/Linux The really strange thing is that if I manually load the driver with `sudo modprobe wacom` *before* pluggin the tablet in, then the tablet is recognized and works ok: SYS: Apr 21 15:15:47 asus-romano kernel: [ 265.664161] usbcore: registered new interface driver wacom SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.088161] usb 2-1: new full-speed USB device number 2 using uhci_hcd SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.253626] usb 2-1: New USB device found, idVendor=056a, idProduct=0302 SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.253641] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.253651] usb 2-1: Product: Intuos PTS SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.253659] usb 2-1: Manufacturer: Wacom Co.,Ltd. SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.257027] input: Wacom Intuos PT S Pen as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input14 SYS: Apr 21 15:15:52 asus-romano kernel: [ 270.260630] input: Wacom Intuos PT S Finger as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.1/input/input15 SYS: Apr 21 15:15:52 asus-romano mtp-probe: checking bus 2, device 2: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1" SYS: Apr 21 15:15:52 asus-romano mtp-probe: bus: 2, device: 2 was not an MTP device A screenshot of the kernel panic is added. I can reproduce it at will. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1310800/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp