** Description changed:

  Report created by following 
https://wiki.ubuntu.com/DebuggingTouchpadDetection#In_case_at_least_one_of_the_Touchpad_features_work.2C_but_does_not_work_correctly_and_as_expected
  Let me know if anything is wrong or if I can give more info
  
- Touchpad worked perfectly in Ubuntu 17.10 when using one and two fingers
- clicks, two finger scrolling, and tapping. (I don't know if multitouch
- worked, but IIRC it did in the past with Unity)
+ Touchpad worked perfectly in Ubuntu 17.10, with libinput 1.8.2.
  
- After upgrading to Bionic Beaver it frequently becomes unresponsive,
- during which I can neither move the mouse cursor or scroll. I can repro
- it most of the time, even directly after rebooting, but not in 100% of
- tries. Sometimes, without anything obvious happening (e.g., no reboot or
- logging out), the problem may not occur for an hour or two and I cannot
- repro it on purpose. Then after a while it is back. Checking the CPU
- when it occurs does not show high load. Also repro on gdm screen and
- logging in as a different user account and with a an alternative non-
- gnome-shell session.
+ After upgrading to 18.04 (libinput 1.10.4) touchpad frequently becomes
+ unresponsive during normal operation, during which he mouse cursor and
+ scrolling does not work. Lifting the finger and starting again makes it
+ work until the next trigger.
  
- There seem to be two slightly different kinds of unresponsiveness, one
- provoked by one-finger movement, the other provoked by two-finger
- scrolling:
+ Triggered apparently by premature palm detection which misdetects a
+ slightly larger finger area as a palm event. Hence easily reproducible
+ by placing a finger slightly flat.
  
- One-finger movement:
- 
- Triggered by:
- Giving continuous input to touchpad for a second or two. E.g., move one 
finger in a small circle. After 1-3 circles the touchpad becomes unresponsive. 
(Making long straight left-right movements also tends to trigger it, but less 
clearly)
- 
- Results in:
- Stays unresponsive until the finger is lifted from and lowered on touchpad 
again. However, lifting+lowering only restores responsiveness briefly, then it 
stops again. Waiting a few seconds makes it work again, like for two-finger 
scrolling.
- 
- Two-finger scrolling:
- 
- Scroll up and down a few times. Does not seem to matter what the
- application is.
- 
- Results in:
- Scrolling stops after a few movements. Lifting and re-lowering both fingers 
does not seem to make it go again, but it works after waiting a few seconds. 
However scrolling is jumpy most of the time and rarely as smooth as it was in 
17.10
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg-input-synaptics (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  NonfreeKernelModules: wl nvidia
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  BootLog:
   Gave up waiting for suspend/resume device
   /dev/sda4: clean, 1015626/39428096 files, 55279634/157701376 blocks
   Gave up waiting for suspend/resume device
   /dev/sda4: clean, 1026169/39428096 files, 54683366/157701376 blocks
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Apr 15 12:07:31 2018
  DistUpgraded: 2018-04-08 10:29:35,542 ERROR got error from PostInstallScript 
./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process 
“./xorg_fix_proprietary.py” (No such file or directory) (8))
  DistroCodename: bionic
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-09-15 (2037 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
  MachineType: Apple Inc. MacBookPro5,4
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic 
root=UUID=1f4ef214-a70d-44ac-8515-2d4234f32e38 ro quiet splash vt.handoff=1
  SourcePackage: xserver-xorg-input-synaptics
  UpgradeStatus: Upgraded to bionic on 2018-04-08 (7 days ago)
  dmi.bios.date: 06/15/09
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP53.88Z.00AC.B03.0906151647
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-F22587A1
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro5,4
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F22587A1
  dmi.modalias: 
dmi:bvnAppleInc.:bvrMBP53.88Z.00AC.B03.0906151647:bd06/15/09:svnAppleInc.:pnMacBookPro5,4:pvr1.0:rvnAppleInc.:rnMac-F22587A1:rvrMacBookPro5,4:cvnAppleInc.:ct10:cvrMac-F22587A1:
  dmi.product.family: MacBook Pro
  dmi.product.name: MacBookPro5,4
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.91-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
  xserver.bootTime: Sun Apr 15 11:10:46 2018
  xserver.configfile: default
  xserver.errors:
  
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
  
  xserver.version: 2:1.19.6-1ubuntu3

** Description changed:

- Report created by following 
https://wiki.ubuntu.com/DebuggingTouchpadDetection#In_case_at_least_one_of_the_Touchpad_features_work.2C_but_does_not_work_correctly_and_as_expected
- Let me know if anything is wrong or if I can give more info
+ Report originally created by following
+ 
https://wiki.ubuntu.com/DebuggingTouchpadDetection#In_case_at_least_one_of_the_Touchpad_features_work.2C_but_does_not_work_correctly_and_as_expected
  
  Touchpad worked perfectly in Ubuntu 17.10, with libinput 1.8.2.
  
  After upgrading to 18.04 (libinput 1.10.4) touchpad frequently becomes
  unresponsive during normal operation, during which he mouse cursor and
  scrolling does not work. Lifting the finger and starting again makes it
  work until the next trigger.
  
  Triggered apparently by premature palm detection which misdetects a
  slightly larger finger area as a palm event. Hence easily reproducible
  by placing a finger slightly flat.
- 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg-input-synaptics (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  NonfreeKernelModules: wl nvidia
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  BootLog:
   Gave up waiting for suspend/resume device
   /dev/sda4: clean, 1015626/39428096 files, 55279634/157701376 blocks
   Gave up waiting for suspend/resume device
   /dev/sda4: clean, 1026169/39428096 files, 54683366/157701376 blocks
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Apr 15 12:07:31 2018
  DistUpgraded: 2018-04-08 10:29:35,542 ERROR got error from PostInstallScript 
./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process 
“./xorg_fix_proprietary.py” (No such file or directory) (8))
  DistroCodename: bionic
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-09-15 (2037 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
  MachineType: Apple Inc. MacBookPro5,4
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic 
root=UUID=1f4ef214-a70d-44ac-8515-2d4234f32e38 ro quiet splash vt.handoff=1
  SourcePackage: xserver-xorg-input-synaptics
  UpgradeStatus: Upgraded to bionic on 2018-04-08 (7 days ago)
  dmi.bios.date: 06/15/09
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP53.88Z.00AC.B03.0906151647
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-F22587A1
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro5,4
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F22587A1
  dmi.modalias: 
dmi:bvnAppleInc.:bvrMBP53.88Z.00AC.B03.0906151647:bd06/15/09:svnAppleInc.:pnMacBookPro5,4:pvr1.0:rvnAppleInc.:rnMac-F22587A1:rvrMacBookPro5,4:cvnAppleInc.:ct10:cvrMac-F22587A1:
  dmi.product.family: MacBook Pro
  dmi.product.name: MacBookPro5,4
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.91-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
  xserver.bootTime: Sun Apr 15 11:10:46 2018
  xserver.configfile: default
  xserver.errors:
  
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
  
  xserver.version: 2:1.19.6-1ubuntu3

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to libinput in Ubuntu.
https://bugs.launchpad.net/bugs/1764097

Title:
  'Apple touchpad bcm5974' unresponsive after "palm: touch size
  exceeded" on 'Apple MacBookPro5,4 (mid 2009)' with 1.10.4 (Ubuntu
  18.04), worked fine with 1.8.2 (Ubuntu 17.10)

To manage notifications about this bug go to:
https://bugs.launchpad.net/libinput/+bug/1764097/+subscriptions

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