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[Bug 1506363] Re: Touchpad die after resume from suspend(s2ram)

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Sun, 18 Oct 2015 03:29:36 -0000
Reply-to: Bug 1506363 <1506363@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Biscuit Wang, thank you for reporting this and helping make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 1506363

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** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1506363

Title:
  Touchpad die after resume from suspend(s2ram)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hardware : ASUS K401L   (K401LB5200)
  kernel: Linux biscuit 3.19.0-30-generic #34~14.04.1-Ubuntu SMP Fri Oct 2 22:09:39 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  When the system startup, the touchpad works well, but after it resumed
  from a suspend, the touchpad hardware will disappear from xinput and
  cat /proc/bus/input/devices.

  Before suspend, xinput output

  ⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
  ⎜   ↳  USB OPTICAL MOUSE                      	id=10	[slave  pointer  (2)]
  ⎜   ↳ ETPS/2 Elantech Touchpad                	id=14	[slave  pointer  (2)]
  ⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
      ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
      ↳ Power Button                            	id=6	[slave  keyboard (3)]
      ↳ Video Bus                               	id=7	[slave  keyboard (3)]
      ↳ Video Bus                               	id=8	[slave  keyboard (3)]
      ↳ Sleep Button                            	id=9	[slave  keyboard (3)]
      ↳ USB2.0 VGA UVC WebCam                   	id=11	[slave  keyboard (3)]
      ↳ Asus WMI hotkeys                        	id=12	[slave  keyboard (3)]
      ↳ AT Translated Set 2 keyboard            	id=13	[slave  keyboard (3)]

  after suspend, the output

  ⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
  ⎜   ↳  USB OPTICAL MOUSE                      	id=10	[slave  pointer  (2)]
  ⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
      ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
      ↳ Power Button                            	id=6	[slave  keyboard (3)]
      ↳ Video Bus                               	id=7	[slave  keyboard (3)]
      ↳ Video Bus                               	id=8	[slave  keyboard (3)]
      ↳ Sleep Button                            	id=9	[slave  keyboard (3)]
      ↳ USB2.0 VGA UVC WebCam                   	id=11	[slave  keyboard (3)]
      ↳ Asus WMI hotkeys                        	id=12	[slave  keyboard (3)]
      ↳ AT Translated Set 2 keyboard            	id=13	[slave  keyboard (3)]

  And you can find that the " ETPS/2 Elantech Touchpad" is missing

  output of  dmesg:
  dmesg|grep mouse
  [    0.512423] mousedev: PS/2 mouse device common for all mice
  [    1.114531] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x381f00)
  [    1.128082] psmouse serio1: elantech: Synaptics capabilities query result 0x10, 0x14, 0x0e.

  After a reboot, everything works well again.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.19.0-30-generic 3.19.0-30.34~14.04.1
  ProcVersionSignature: Ubuntu 3.19.0-30.34~14.04.1-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.15
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Oct 15 15:54:20 2015
  InstallationDate: Installed on 2015-10-14 (0 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  SourcePackage: linux-lts-vivid
  UpgradeStatus: No upgrade log present (probably fresh install)
  ---
  ApportVersion: 2.14.1-0ubuntu3.15
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  biscuit    2311 F.... pulseaudio
   /dev/snd/controlC0:  biscuit    2311 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2015-10-14 (2 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 008: ID 13d3:3474 IMC Networks
   Bus 001 Device 002: ID 04f2:b483 Chicony Electronics Co., Ltd
   Bus 001 Device 006: ID 0000:0538
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. K401LB
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=2dc554f1-5daa-48f1-89af-0c6de286fb1d ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-30.34~14.04.1-generic 3.19.8-ckt6
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-30-generic N/A
   linux-backports-modules-3.19.0-30-generic  N/A
   linux-firmware                             1.127.15
  Tags:  trusty
  Uname: Linux 3.19.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 08/26/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: K401LB.204
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: K401LB
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrK401LB.204:bd08/26/2015:svnASUSTeKCOMPUTERINC.:pnK401LB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnK401LB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: K401LB
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.15
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   biscuit    2311 F...m pulseaudio
   /dev/snd/controlC1:  biscuit    2311 F.... pulseaudio
   /dev/snd/controlC0:  biscuit    2311 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2015-10-14 (2 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 008: ID 13d3:3474 IMC Networks 
   Bus 001 Device 002: ID 04f2:b483 Chicony Electronics Co., Ltd 
   Bus 001 Device 006: ID 0000:0538  
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. K401LB
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=2dc554f1-5daa-48f1-89af-0c6de286fb1d ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-30.34~14.04.1-generic 3.19.8-ckt6
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-30-generic N/A
   linux-backports-modules-3.19.0-30-generic  N/A
   linux-firmware                             1.127.15
  Tags:  trusty
  Uname: Linux 3.19.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 08/26/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: K401LB.204
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: K401LB
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrK401LB.204:bd08/26/2015:svnASUSTeKCOMPUTERINC.:pnK401LB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnK401LB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: K401LB
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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References

[Bug 1506363] [NEW] Touchpad die after resume from suspend(s2ram)
From: Biscuit Wang, 2015-10-15