Public bug reported:
When using the trackpoint mouse buttons on the laptop, when any of the
buttons are pressed a release event immediately follows, even if the
mouse button is being held down. This prevents moving of windows,
typical drag & drop operations, selection etc with the mouse.
Example output from xev for button 1:
ButtonPress event, serial 40, synthetic NO, window 0x7e00001,
root 0xb6, subw 0x0, time 1097221, (116,59), root:(116,142),
state 0x0, button 1, same_screen YES
ButtonRelease event, serial 40, synthetic NO, window 0x7e00001,
root 0xb6, subw 0x0, time 1097229, (116,59), root:(116,142),
state 0x100, button 1, same_screen YES
Button 2:
ButtonPress event, serial 40, synthetic NO, window 0x7e00001,
root 0xb6, subw 0x0, time 1100941, (116,59), root:(116,142),
state 0x0, button 2, same_screen YES
ButtonRelease event, serial 40, synthetic NO, window 0x7e00001,
root 0xb6, subw 0x0, time 1100941, (116,59), root:(116,142),
state 0x200, button 2, same_screen YES
Button 3:
ButtonPress event, serial 40, synthetic NO, window 0x7e00001,
root 0xb6, subw 0x0, time 1098467, (116,59), root:(116,142),
state 0x0, button 3, same_screen YES
ButtonRelease event, serial 40, synthetic NO, window 0x7e00001,
root 0xb6, subw 0x0, time 1098477, (116,59), root:(116,142),
state 0x400, button 3, same_screen YES
Possibly relevant output from journal:
kernel: thinkpad_acpi: ThinkPad ACPI Extras v0.25
kernel: thinkpad_acpi: http://ibm-acpi.sf.net/
kernel: thinkpad_acpi: ThinkPad BIOS R06ET33W (1.07 ), EC unknown
kernel: thinkpad_acpi: Lenovo ThinkPad T460, model 20FNCTO1WW
kernel: thinkpad_acpi: detected a 8-level brightness capable ThinkPad
kernel: thinkpad_acpi: unknown version of the HKEY interface: 0x200
kernel: thinkpad_acpi: please report this to
ibm-acpi-de...@lists.sourceforge.net
kernel: thinkpad_acpi: radio switch found; radios are enabled
kernel: thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness
control, supported by the ACPI video driver
kernel: thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
kernel: thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
kernel: thinkpad_acpi: Standard ACPI backlight interface available, not loading
native one
kernel: input: ThinkPad Extra Buttons as
/devices/platform/thinkpad_acpi/input/input7
sensors[1000]: thinkpad-isa-0000
kernel: thinkpad_acpi: EC reports that Thermal Table has changed
kernel: thinkpad_acpi: acpi_evalf(GTRW, dd, ...) failed: AE_NOT_FOUND
kernel: thinkpad_acpi: Cannot read adaptive keyboard mode.
kernel: thinkpad_acpi: acpi_evalf(STRW, vd, ...) failed: AE_NOT_FOUND
kernel: thinkpad_acpi: Cannot set adaptive keyboard mode.
kernel: thinkpad_acpi: EC reports that Thermal Table has changed
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-10-generic 4.4.0-10.25
ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3
Uname: Linux 4.4.0-10-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Mar 6 12:38:59 2016
HibernationDevice: RESUME=UUID=04e04e17-3976-4daa-a1dd-2dd369aee83d
InstallationDate: Installed on 2015-09-21 (166 days ago)
InstallationMedia: It
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20FNCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-10-generic
root=/dev/mapper/it--vg-root ro quiet intel_pstate=no_hwp
RelatedPackageVersions:
linux-restricted-modules-4.4.0-10-generic N/A
linux-backports-modules-4.4.0-10-generic N/A
linux-firmware 1.156
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-02-24 (10 days ago)
dmi.bios.date: 01/05/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: R06ET33W (1.07 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FNCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR06ET33W(1.07):bd01/05/2016:svnLENOVO:pn20FNCTO1WW:pvrThinkPadT460:rvnLENOVO:rn20FNCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FNCTO1WW
dmi.product.version: ThinkPad T460
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1553811
Title:
Thinkpad T460: Trackpoint mouse buttons instantly generate "release"
event on press
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