Public bug reported:

After upgrade to natty my Wacom touchscreen aren't working after resume from 
suspend — neither stylus, nor touch.
Such regression seems to present from the first 2.6.38 builds that were 
available in natty.
If I boot, using my old 2.6.35-24-generic maverick kernel, everything is ok.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  torkvemada   3692 F.... pulseaudio
 /dev/snd/pcmC0D0p:   torkvemada   3692 F...m pulseaudio
CRDA: Error: [Errno 2] Nie ma takiego pliku ani katalogu
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xe4500000 irq 47'
   Mixer name   : 'IDT 92HD81B1X5'
   Components   : 'HDA:111d7605,103c3661,00100402'
   Controls      : 14
   Simple ctrls  : 9
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xe4410000 irq 48'
   Mixer name   : 'ATI R6xx HDMI'
   Components   : 'HDA:1002aa01,00aa0100,00100100'
   Controls      : 4
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Sat Apr  2 15:27:44 2011
HibernationDevice: RESUME=/dev/sda4
MachineType: Hewlett-Packard HP TouchSmart tm2 Notebook PC
ProcEnviron:
 LANGUAGE=pl_PL:pl:ru:ru_RU:en_GB:en
 PATH=(custom, user)
 LANG=pl_PL.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic 
root=UUID=f4a4d9f8-488c-41fe-aa01-f07e1ac2d460 ro 
crashkernel=384M-2G:64M,2G-:128M quiet splash 
video=uvesafb:mode_option=1024x768-24,mtrr=3,scroll=ywrap vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-7-generic N/A
 linux-backports-modules-2.6.38-7-generic  N/A
 linux-firmware                            1.49
SourcePackage: linux
UpgradeStatus: Upgraded to natty on 2011-01-06 (85 days ago)
WpaSupplicantLog:
 
dmi.bios.date: 11/22/2010
dmi.bios.vendor: Insyde
dmi.bios.version: F.0B
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3661
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 47.1B
dmi.chassis.asset.tag: CNU0060FTZ
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnInsyde:bvrF.0B:bd11/22/2010:svnHewlett-Packard:pnHPTouchSmarttm2NotebookPC:pvr049E100000200800000120000:rvnHewlett-Packard:rn3661:rvrKBCVersion47.1B:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP TouchSmart tm2 Notebook PC
dmi.product.version: 049E100000200800000120000
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 kernel-power natty needs-upstream-testing 
regression-release resume running-unity suspend unity-2d

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https://bugs.launchpad.net/bugs/748215

Title:
  Wacom touchscreen not working after resume

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