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[Bug 1550688] Re: kernel 4.2.0-30-generic does not recognise touchpad

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

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https://bugs.launchpad.net/bugs/1550688

Title:
  kernel 4.2.0-30-generic does not recognise touchpad

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Acer aspire 512
  This with kernel 4.2.0-27-generic
  Aspire-ES1-512:~$ cat /proc/bus/input/devices
  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/input0
  U: Uniq=
  H: Handlers=kbd event0 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 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:00/input/input1
  U: Uniq=
  H: Handlers=kbd event1 
  B: PROP=0
  B: EV=3
  B: KEY=4000 0 0

  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/PNP0C0D:00/input/input2
  U: Uniq=
  H: Handlers=event2 
  B: PROP=0
  B: EV=21
  B: SW=1

  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/input3
  U: Uniq=
  H: Handlers=kbd event3 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 0
                                                                                                                                                                                                  
  I: Bus=0011 Vendor=0001 Product=0001 Version=ab41                                                                                                                                               
  N: Name="AT Translated Set 2 keyboard"                                                                                                                                                          
  P: Phys=isa0060/serio0/input0                                                                                                                                                                   
  S: Sysfs=/devices/platform/i8042/serio0/input/input4
  U: Uniq=
  H: Handlers=sysrq kbd event4 leds 
  B: PROP=0
  B: EV=120013
  B: KEY=10000 c020000000000 0 0 700f02000003 3802078f870f401 febfffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=7

  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/input5
  U: Uniq=
  H: Handlers=kbd event5 
  B: PROP=0
  B: EV=3
  B: KEY=3e000b00000000 0 0 0

  I: Bus=0003 Vendor=1267 Product=0210 Version=0100
  N: Name="PS/2+USB Mouse"
  P: Phys=usb-0000:00:14.0-3.2/input0
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3.2/1-3.2:1.0/0003:1267:0210.0001/input/input6
  U: Uniq=
  H: Handlers=mouse0 event6 
  B: PROP=0
  B: EV=17
  B: KEY=70000 0 0 0 0
  B: REL=103
  B: MSC=10

  I: Bus=0003 Vendor=04f2 Product=b47f Version=4051
  N: Name="VGA Webcam"
  P: Phys=usb-0000:00:14.0-4/button
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/input/input8
  U: Uniq=
  H: Handlers=kbd event7 
  B: PROP=0
  B: EV=3
  B: KEY=100000 0 0 0

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH Headphone"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card0/input7
  U: Uniq=
  H: Handlers=event8 
  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/pci0000:00/0000:00:1b.0/sound/card0/input9
  U: Uniq=
  H: Handlers=event9 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0019 Vendor=0000 Product=0000 Version=0000
  N: Name="Acer WMI hotkeys"
  P: Phys=wmi/input0
  S: Sysfs=/devices/virtual/input/input10
  U: Uniq=
  H: Handlers=rfkill kbd event10 
  B: PROP=0
  B: EV=13
  B: KEY=1c0000 0 0 0 0 1600800000c00 300000 0 0
  B: MSC=10

  I: Bus=0019 Vendor=0000 Product=0000 Version=0000
  N: Name="Acer BMA150 accelerometer"
  P: Phys=wmi/input1
  S: Sysfs=/devices/virtual/input/input11
  U: Uniq=
  H: Handlers=event11 js0 
  B: PROP=0
  B: EV=9
  B: ABS=7

  I: Bus=0018 Vendor=04f3 Product=300b Version=0100
  N: Name="ELAN0501:00 04F3:300B UNKNOWN"
  P: Phys=
  S: Sysfs=/devices/platform/80860F41:00/i2c-8/i2c-ELAN0501:00/0018:04F3:300B.0002/input/input12
  U: Uniq=
  H: Handlers=mouse1 event12 
  B: PROP=5
  B: EV=b
  B: KEY=6420 10000 0 0 0 0
  B: ABS=260800000000003

  And this with kernel 4.2.0-30-generic
  Aspire-ES1-512:~$ cat /proc/bus/input/devices
  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/input0
  U: Uniq=
  H: Handlers=kbd event0 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 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:00/input/input1
  U: Uniq=
  H: Handlers=kbd event1 
  B: PROP=0
  B: EV=3
  B: KEY=4000 0 0

  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/PNP0C0D:00/input/input2
  U: Uniq=
  H: Handlers=event2 
  B: PROP=0
  B: EV=21
  B: SW=1

  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/input3
  U: Uniq=
  H: Handlers=kbd event3 
  B: PROP=0
  B: EV=3
  B: KEY=10000000000000 0
                                                                                                                                                                                                  
  I: Bus=0011 Vendor=0001 Product=0001 Version=ab41                                                                                                                                               
  N: Name="AT Translated Set 2 keyboard"                                                                                                                                                          
  P: Phys=isa0060/serio0/input0                                                                                                                                                                   
  S: Sysfs=/devices/platform/i8042/serio0/input/input4
  U: Uniq=
  H: Handlers=sysrq kbd event4 leds 
  B: PROP=0
  B: EV=120013
  B: KEY=10000 c020000000000 0 0 700f02000003 3802078f870f401 febfffdfffefffff fffffffffffffffe
  B: MSC=10
  B: LED=7

  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/input5
  U: Uniq=
  H: Handlers=kbd event5 
  B: PROP=0
  B: EV=3
  B: KEY=3e000b00000000 0 0 0

  I: Bus=0003 Vendor=1267 Product=0210 Version=0100
  N: Name="PS/2+USB Mouse"
  P: Phys=usb-0000:00:14.0-3.2/input0
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3.2/1-3.2:1.0/0003:1267:0210.0001/input/input6
  U: Uniq=
  H: Handlers=mouse0 event6 
  B: PROP=0
  B: EV=17
  B: KEY=70000 0 0 0 0
  B: REL=103
  B: MSC=10

  I: Bus=0003 Vendor=04f2 Product=b47f Version=4051
  N: Name="VGA Webcam"
  P: Phys=usb-0000:00:14.0-4/button
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/input/input8
  U: Uniq=
  H: Handlers=kbd event7 
  B: PROP=0
  B: EV=3
  B: KEY=100000 0 0 0

  I: Bus=0000 Vendor=0000 Product=0000 Version=0000
  N: Name="HDA Intel PCH Headphone"
  P: Phys=ALSA
  S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card0/input7
  U: Uniq=
  H: Handlers=event8 
  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/pci0000:00/0000:00:1b.0/sound/card0/input9
  U: Uniq=
  H: Handlers=event9 
  B: PROP=0
  B: EV=21
  B: SW=140

  I: Bus=0019 Vendor=0000 Product=0000 Version=0000
  N: Name="Acer WMI hotkeys"
  P: Phys=wmi/input0
  S: Sysfs=/devices/virtual/input/input10
  U: Uniq=
  H: Handlers=rfkill kbd event10 
  B: PROP=0
  B: EV=13
  B: KEY=1c0000 0 0 0 0 1600800000c00 300000 0 0
  B: MSC=10

  I: Bus=0019 Vendor=0000 Product=0000 Version=0000
  N: Name="Acer BMA150 accelerometer"
  P: Phys=wmi/input1
  S: Sysfs=/devices/virtual/input/input11
  U: Uniq=
  H: Handlers=event11 js0 
  B: PROP=0
  B: EV=9
  B: ABS=7

  So this part is missing in kernel 4.2.0-30-generic
  I: Bus=0018 Vendor=04f3 Product=300b Version=0100
  N: Name="ELAN0501:00 04F3:300B UNKNOWN"
  P: Phys=
  S: Sysfs=/devices/platform/80860F41:00/i2c-8/i2c-ELAN0501:00/0018:04F3:300B.0002/input/input12
  U: Uniq=
  H: Handlers=mouse1 event12 
  B: PROP=5
  B: EV=b
  B: KEY=6420 10000 0 0 0 0
  B: ABS=260800000000003

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