Public bug reported:
After upgrading to Ubuntu 26.04, the touchpad click stopped working. Logs show
'libinput error: kernel bug: missing right button'. This affects the
SYNA3602:00
093A:0255 device on Kernel 7.0.0.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-15-generic 7.0.0-15.15
ProcVersionSignature: Ubuntu 7.0.0-15.15-generic 7.0.0
Uname: Linux 7.0.0-15-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hasan 2305 F.... wireplumber
/dev/snd/seq: hasan 2284 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri May 22 14:24:43 2026
InstallationDate: Installed on 2026-03-08 (75 days ago)
InstallationMedia: Ubuntu 25.10 "Questing Quokka" - Release amd64 (20251007)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 04f2:b650 Chicony Electronics Co., Ltd USB2.0 FHD UVC
WebCam
Bus 001 Device 003: ID 046d:c077 Logitech, Inc. Mouse
Bus 001 Device 004: ID 8087:0026 Intel Corp. AX201 Bluetooth
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: Daffodil Computers Ltd. DC253D
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-15-generic
root=UUID=82bcd8aa-a94f-4841-93f0-4298c7d088b0 ro quiet splash i8042.reset
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-05-21 (1 days ago)
dmi.bios.date: 09/14/2024
dmi.bios.release: 5.27
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: BM_BI_IDL528_175B_F
dmi.board.asset.tag: Default string
dmi.board.name: DC253D
dmi.board.vendor: Daffodil Computers Ltd.
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 10
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.ec.firmware.release: 1.6
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrBM_BI_IDL528_175B_F:bd09/14/2024:br5.27:efr1.6:svnDaffodilComputersLtd.:pnDC253D:pvrBM_BI_IDL528_175B_F:rvnDaffodilComputersLtd.:rnDC253D:rvrDefaultstring:cvnDefaultstring:ct10:cvrDefaultstring:skuDC253D:pfaDefaultstring:
dmi.product.family: Default string
dmi.product.name: DC253D
dmi.product.sku: DC253D
dmi.product.version: BM_BI_IDL528_175B_F
dmi.sys.vendor: Daffodil Computers Ltd.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2153983
Title:
After upgrading to Ubuntu 26.04, the touchpad click stopped working
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