** Attachment added: "lsmod-before.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1624339/+attachment/4742629/+files/lsmod-before.txt

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https://bugs.launchpad.net/bugs/1624339

Title:
  Elantech v4 trackpad no longer working after resuming for hibernate

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  This is a Gigabyte AERO 14 laptop (http://www.gigabyte.com.au/products
  /product-page.aspx?pid=5902#kf)

  When laptop goes into hibernate mode, the trackpad will no longer work. 
Rebooting will not make the trackpad work again.
  The only work around I've found so far is to reboot into windows and then 
reboot into ubuntu.

  It is similar to bug 1490130; however here it's with hibernating and can't be 
recovered with rebooting (additionally, the kernel patch provided there doesn't 
work)
  Suspend works just fine.

  
  *** before hibernate

  I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
  N: Name="AT Translated Set 2 keyboard"
  P: Phys=isa0060/serio0/input0
  S: Sysfs=/devices/platform/i8042/serio0/input/input0
  U: Uniq=
  H: Handlers=sysrq kbd leds event0 
  B: PROP=0
  B: EV=120013
  B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=7

  I: Bus=0019 Vendor=0000 Product=0005 Version=0000
  N: Name="Lid Switch"
  P: Phys=PNP0C0D/button/input0
  S: 
Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:18/PNP0C09:01/PNP0C0D:00/input/input2
  U: Uniq=
  H: Handlers=event1 
  B: PROP=0
  B: EV=21
  B: SW=1

  I: Bus=0019 Vendor=0000 Product=0003 Version=0000
  N: Name="Sleep Button"
  P: Phys=PNP0C0E/button/input0
  S: 
Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:18/PNP0C09:01/PNP0C0E:00/input/input3
  U: Uniq=
  H: Handlers=kbd event2 
  B: PROP=0
  B: EV=3
  B: KEY=4000 0 0

  I: Bus=0019 Vendor=0000 Product=0003 Version=0000
  N: Name="Sleep Button"
  P: Phys=PNP0C0E/button/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:01/input/input4
  U: Uniq=
  H: Handlers=kbd event3 
  B: PROP=0
  B: EV=3
  B: KEY=4000 0 0

  I: Bus=0019 Vendor=0000 Product=0001 Version=0000
  N: Name="Power Button"
  P: Phys=PNP0C0C/button/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input5
  U: Uniq=
  H: Handlers=kbd event4 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 0

  I: Bus=0019 Vendor=0000 Product=0001 Version=0000
  N: Name="Power Button"
  P: Phys=LNXPWRBN/button/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input6
  U: Uniq=
  H: Handlers=kbd event5 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 0

  I: Bus=0019 Vendor=0000 Product=0006 Version=0000
  N: Name="Video Bus"
  P: Phys=LNXVIDEO/video/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
  U: Uniq=
  H: Handlers=kbd event6 
  B: PROP=0
  B: EV=3
  B: KEY=3e000b00000000 0 0 0

  I: Bus=0011 Vendor=0002 Product=000e Version=0000
  N: Name="ETPS/2 Elantech Touchpad"
  P: Phys=isa0060/serio1/input0
  S: Sysfs=/devices/platform/i8042/serio1/input/input7
  U: Uniq=
  H: Handlers=mouse1 event8 
  B: PROP=5
  B: EV=b
  B: KEY=e420 10000 0 0 0 0
  B: ABS=661800011000003

  I: Bus=0003 Vendor=1044 Product=7a06 Version=0110
  N: Name="E-Signal Keyboard"
  P: Phys=usb-0000:00:14.0-5/input0
  S: 
Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/0003:1044:7A06.0002/input/input10
  U: Uniq=
  H: Handlers=sysrq kbd leds event9 
  B: PROP=0
  B: EV=120013
  B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=7

  I: Bus=0003 Vendor=1044 Product=7a06 Version=0110
  N: Name="E-Signal Keyboard"
  P: Phys=usb-0000:00:14.0-5/input1
  S: 
Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.1/0003:1044:7A06.0003/input/input11
  U: Uniq=
  H: Handlers=kbd mouse2 event10 js0 
  B: PROP=0
  B: EV=10001f
  B: KEY=3f0003007f 0 0 483ffff17aff32d bf54444600000000 1f0001 130f938b17c000 
677bfad9415fed 9ed68000004400 10000002
  B: REL=1c0
  B: ABS=100000003
  B: MSC=10

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH Headphone"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input12
  U: Uniq=
  H: Handlers=event11 
  B: PROP=0
  B: EV=21
  B: SW=4

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH HDMI/DP,pcm=3"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input13
  U: Uniq=
  H: Handlers=event12 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH HDMI/DP,pcm=7"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input14
  U: Uniq=
  H: Handlers=event13 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH HDMI/DP,pcm=8"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input15
  U: Uniq=
  H: Handlers=event14 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0003 Vendor=04f2 Product=b43b Version=6665
  N: Name="Chicony USB 2.0 Camera"
  P: Phys=usb-0000:00:14.0-9/button
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input16
  U: Uniq=
  H: Handlers=kbd event15 
  B: PROP=0
  B: EV=3
  B: KEY=100000 0 0 0

  I: Bus=0003 Vendor=046d Product=c077 Version=0111
  N: Name="Logitech USB Optical Mouse"
  P: Phys=usb-0000:00:14.0-1/input0
  S: 
Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C077.0005/input/input17
  U: Uniq=
  H: Handlers=mouse0 event7 
  B: PROP=0
  B: EV=17
  B: KEY=ff0000 0 0 0 0
  B: REL=103
  B: MSC=10

  jyavenard@jyaaeroubuntu:~$ sudo pm-hibernate

  jyavenard@jyaaeroubuntu:~$ cat /proc/bus/input/devices 
  I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
  N: Name="AT Translated Set 2 keyboard"
  P: Phys=isa0060/serio0/input0
  S: Sysfs=/devices/platform/i8042/serio0/input/input0
  U: Uniq=
  H: Handlers=sysrq kbd leds event0 
  B: PROP=0
  B: EV=120013
  B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=7

  I: Bus=0019 Vendor=0000 Product=0005 Version=0000
  N: Name="Lid Switch"
  P: Phys=PNP0C0D/button/input0
  S: 
Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:18/PNP0C09:01/PNP0C0D:00/input/input2
  U: Uniq=
  H: Handlers=event1 
  B: PROP=0
  B: EV=21
  B: SW=1

  I: Bus=0019 Vendor=0000 Product=0003 Version=0000
  N: Name="Sleep Button"
  P: Phys=PNP0C0E/button/input0
  S: 
Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:18/PNP0C09:01/PNP0C0E:00/input/input3
  U: Uniq=
  H: Handlers=kbd event2 
  B: PROP=0
  B: EV=3
  B: KEY=4000 0 0

  I: Bus=0019 Vendor=0000 Product=0003 Version=0000
  N: Name="Sleep Button"
  P: Phys=PNP0C0E/button/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:01/input/input4
  U: Uniq=
  H: Handlers=kbd event3 
  B: PROP=0
  B: EV=3
  B: KEY=4000 0 0

  I: Bus=0019 Vendor=0000 Product=0001 Version=0000
  N: Name="Power Button"
  P: Phys=PNP0C0C/button/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input5
  U: Uniq=
  H: Handlers=kbd event4 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 0

  I: Bus=0019 Vendor=0000 Product=0001 Version=0000
  N: Name="Power Button"
  P: Phys=LNXPWRBN/button/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input6
  U: Uniq=
  H: Handlers=kbd event5 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 0

  I: Bus=0019 Vendor=0000 Product=0006 Version=0000
  N: Name="Video Bus"
  P: Phys=LNXVIDEO/video/input0
  S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
  U: Uniq=
  H: Handlers=kbd event6 
  B: PROP=0
  B: EV=3
  B: KEY=3e000b00000000 0 0 0

  I: Bus=0003 Vendor=1044 Product=7a06 Version=0110
  N: Name="E-Signal Keyboard"
  P: Phys=usb-0000:00:14.0-5/input0
  S: 
Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/0003:1044:7A06.0002/input/input10
  U: Uniq=
  H: Handlers=sysrq kbd leds event9 
  B: PROP=0
  B: EV=120013
  B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=7

  I: Bus=0003 Vendor=1044 Product=7a06 Version=0110
  N: Name="E-Signal Keyboard"
  P: Phys=usb-0000:00:14.0-5/input1
  S: 
Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.1/0003:1044:7A06.0003/input/input11
  U: Uniq=
  H: Handlers=kbd mouse2 event10 js0 
  B: PROP=0
  B: EV=10001f
  B: KEY=3f0003007f 0 0 483ffff17aff32d bf54444600000000 1f0001 130f938b17c000 
677bfad9415fed 9ed68000004400 10000002
  B: REL=1c0
  B: ABS=100000003
  B: MSC=10

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH Headphone"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input12
  U: Uniq=
  H: Handlers=event11 
  B: PROP=0
  B: EV=21
  B: SW=4

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH HDMI/DP,pcm=3"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input13
  U: Uniq=
  H: Handlers=event12 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH HDMI/DP,pcm=7"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input14
  U: Uniq=
  H: Handlers=event13 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH HDMI/DP,pcm=8"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input15
  U: Uniq=
  H: Handlers=event14 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0003 Vendor=04f2 Product=b43b Version=6665
  N: Name="Chicony USB 2.0 Camera"
  P: Phys=usb-0000:00:14.0-9/button
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input16
  U: Uniq=
  H: Handlers=kbd event15 
  B: PROP=0
  B: EV=3
  B: KEY=100000 0 0 0

  I: Bus=0003 Vendor=046d Product=c077 Version=0111
  N: Name="Logitech USB Optical Mouse"
  P: Phys=usb-0000:00:14.0-1/input0
  S: 
Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C077.0005/input/input17
  U: Uniq=
  H: Handlers=mouse0 event7 
  B: PROP=0
  B: EV=17
  B: KEY=ff0000 0 0 0 0
  B: REL=103
  B: MSC=10

  So after hibernating, the Eland trackpad no longer appears into the
  list.

  Also tried with 4.7.3 kernel-ppa and it makes no difference.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-38-generic 4.4.0-38.57
  ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
  Uname: Linux 4.4.0-38-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jyavenard   2241 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Sep 16 21:03:38 2016
  HibernationDevice: RESUME=UUID=072f86b0-2eb6-43b8-9be4-a2c431d58eb7
  InstallationDate: Installed on 2016-07-22 (56 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  MachineType: GIGABYTE Aero 14
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.4.0-38-generic 
root=UUID=553bcfba-99a2-4a1f-b286-a8ce44f2dec7 ro rootflags=subvol=@ quiet 
splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-38-generic N/A
   linux-backports-modules-4.4.0-38-generic  N/A
   linux-firmware                            1.157.4
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/08/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: FB07
  dmi.board.asset.tag: Default string
  dmi.board.name: Aero 14
  dmi.board.vendor: GIGABYTE
  dmi.board.version: Default string
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 9
  dmi.chassis.vendor: Default string
  dmi.chassis.version: y.y
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrFB07:bd09/08/2016:svnGIGABYTE:pnAero14:pvrDefaultstring:rvnGIGABYTE:rnAero14:rvrDefaultstring:cvnDefaultstring:ct9:cvry.y:
  dmi.product.name: Aero 14
  dmi.product.version: Default string
  dmi.sys.vendor: GIGABYTE

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