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Hi,
Firstly, long time user and big fan of Arch Linux. Usually have been able to get everything working but seems now I need some help with the trackpad.
I use Sway WM with wlroots and wayland. Since updating kernel to 4.20.2, every log I can think of tells everything is still working like before but libinput is just getting no events. I've been downgrading to 4.20.1 assuming it's a kernel bug but it's been several months of updates already.
Any ideas would be welcome, see below for more details (event identifiers different because logs taken at different boots):
evemu:
# EVEMU 1.3
# Kernel: 5.0.2-arch1-1-ARCH
# DMI: dmi:bvnInsyde:bvrF.41:bd03/02/2018:svnHP:pnHP250G5NotebookPC:pvrType1ProductConfigId:rvnHP:rn81F1:rvr64.59:cvnHP:ct10:cvrChassisVersion:
# Input device name: "Synaptics TM3127-001"
# Input device ID: bus 0x1d vendor 0x6cb product 0000 version 0000
# Size in mm: 107x42
# Supported events:
...libinput:
Device: Synaptics TM3127-001
Kernel: /dev/input/event7
Group: 6
Seat: seat0, default
Size: 108x42mm
Capabilities: pointer gesture
Tap-to-click: disabled
Tap-and-drag: enabled
Tap drag lock: disabled
Left-handed: disabled
Nat.scrolling: disabled
Middle emulation: n/a
Calibration: n/a
Scroll methods: *two-finger edge
Click methods: none
Disable-w-typing: enabled
Accel profiles: none
Rotation: n/adevices:
I: Bus=001d Vendor=06cb Product=0000 Version=0000
N: Name="Synaptics TM3127-001"
P: Phys=rmi4-00/input0
S: Sysfs=/devices/rmi4-00/input/input9
U: Uniq=
H: Handlers=event7 mouse0
B: PROP=1
B: EV=b
B: KEY=e520 30000 0 0 0 0
B: ABS=6f3800001000003udevadm:
P: /devices/rmi4-00/input/input8
L: 0
E: DEVPATH=/devices/rmi4-00/input/input8
E: SUBSYSTEM=input
E: PRODUCT=1d/6cb/0/0
E: NAME="Synaptics TM3127-001"
E: PHYS="rmi4-00/input0"
E: PROP=1
E: EV=b
E: KEY=e520 30000 0 0 0 0
E: ABS=6f3800001000003
E: MODALIAS=input:b001Dv06CBp0000e0000-e0,1,3,k110,111,145,148,14A,14D,14E,14F,ra0,1,18,2F,30,31,34,35,36,37,39,3A,mlsfw
E: USEC_INITIALIZED=6200907
E: ID_INPUT=1
E: ID_INPUT_TOUCHPAD=1
E: ID_BUS=rmi
E: ID_SERIAL=noserial
E: TAGS=:seat:sway:
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 61: input "1739:0:Synaptics_TM3127-001" {
2019-03-19 11:09:06 - [sway/sway/config.c:774] Entering block 'input "1739:0:Synaptics_TM3127-001"'
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 62: events enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:358] Config command: input "1739:0:Synaptics_TM3127-001" events enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(input)
2019-03-19 11:09:06 - [sway/sway/commands.c:378] After replacement: input "1739:0:Synaptics_TM3127-001" events enabled
2019-03-19 11:09:06 - [sway/sway/commands/input.c:48] entering input block: 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config/input.c:14] new_input_config(1739:0:Synaptics_TM3127-001)
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(events)
2019-03-19 11:09:06 - [sway/sway/commands.c:408] Subcommand: events enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(events)
2019-03-19 11:09:06 - [sway/sway/config/input.c:160] Adding non-wildcard input config
2019-03-19 11:09:06 - [sway/sway/config/input.c:177] Config stored for input 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 63: # accel_profile flat
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 64: dwt enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:358] Config command: input "1739:0:Synaptics_TM3127-001" dwt enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(input)
2019-03-19 11:09:06 - [sway/sway/commands.c:378] After replacement: input "1739:0:Synaptics_TM3127-001" dwt enabled
2019-03-19 11:09:06 - [sway/sway/commands/input.c:48] entering input block: 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config/input.c:14] new_input_config(1739:0:Synaptics_TM3127-001)
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(dwt)
2019-03-19 11:09:06 - [sway/sway/commands.c:408] Subcommand: dwt enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(dwt)
2019-03-19 11:09:06 - [sway/sway/config/input.c:154] Merging on top of existing input config
2019-03-19 11:09:06 - [sway/sway/config/input.c:177] Config stored for input 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 65: tap enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:358] Config command: input "1739:0:Synaptics_TM3127-001" tap enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(input)
2019-03-19 11:09:06 - [sway/sway/commands.c:378] After replacement: input "1739:0:Synaptics_TM3127-001" tap enabled
2019-03-19 11:09:06 - [sway/sway/commands/input.c:48] entering input block: 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config/input.c:14] new_input_config(1739:0:Synaptics_TM3127-001)
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(tap)
2019-03-19 11:09:06 - [sway/sway/commands.c:408] Subcommand: tap enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(tap)
2019-03-19 11:09:06 - [sway/sway/config/input.c:154] Merging on top of existing input config
2019-03-19 11:09:06 - [sway/sway/config/input.c:177] Config stored for input 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 66: natural_scroll enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:358] Config command: input "1739:0:Synaptics_TM3127-001" natural_scroll enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(input)
2019-03-19 11:09:06 - [sway/sway/commands.c:378] After replacement: input "1739:0:Synaptics_TM3127-001" natural_scroll enabled
2019-03-19 11:09:06 - [sway/sway/commands/input.c:48] entering input block: 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config/input.c:14] new_input_config(1739:0:Synaptics_TM3127-001)
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(natural_scroll)
2019-03-19 11:09:06 - [sway/sway/commands.c:408] Subcommand: natural_scroll enabled
2019-03-19 11:09:06 - [sway/sway/commands.c:145] find_handler(natural_scroll)
2019-03-19 11:09:06 - [sway/sway/config/input.c:154] Merging on top of existing input config
2019-03-19 11:09:06 - [sway/sway/config/input.c:177] Config stored for input 1739:0:Synaptics_TM3127-001
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 67: # middle_emulation enabled
2019-03-19 11:09:06 - [sway/sway/config.c:720] Read line 68: }
2019-03-19 11:09:06 - [sway/sway/config.c:791] Exiting block 'input "1739:0:Synaptics_TM3127-001"'
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