Touchpad functions are missing after every cold-start

Ask Fedora
,
1

I have a problem here, after every cold start my touchpad is not recognized correctly, I can basically navigate with it but functions like typing or scrolling are not possible.

Only after a restart of the notebook Lenovo ThinkPad T14s 1st generation the functions are available again.

Since this problem occurred with Fedora 35 about 2 months before the release of 36, I put off this problem and completely reinstalled Fedora 36, with still the same problem.

Fedora is reinstalled, all drivers and firmware versions are up to date. Since it works after every second reboot without problems, I exclude a hardware defect.

Now my question, how can I fix this problem?

Attached are a few screenshots that illustrate the problem.

b6e7bc41505ed14b1c539db177d043cc127b0843.jpeg
b6e7bc41505ed14b1c539db177d043cc127b0843.jpeg1669×659 171 KB

03bb8cf70e3c9f00573e03045f5c07342838e0fd.jpeg
03bb8cf70e3c9f00573e03045f5c07342838e0fd.jpeg1860×898 281 KB

2

does:
sudo modprobe -r psmouse
sudo modprobe psmouse elantech=1

work?

1 Like
3

sudo modprobe -r psmouse
modprobe: FATAL: Module psmouse is builtin.
sudo modprobe psmouse elantech=1

without success :face_with_diagonal_mouth:

edit a file “/etc/modprobe.d/psmouse-elantech.conf” with the following content:

options psmouse elantech=1

save and restart, without any positiv result.

1 Like
4

i used ‘dmesg -t |grep input’ with the result:

not working:

input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input1
input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
input: PS/2 Logitech Wheel Mouse as /devices/platform/i8042/serio1/input/input6
input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:17/LNXVIDEO:00/input/input7
input: PC Speaker as /devices/platform/pcspkr/input/input8
input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input9
input: Integrated Camera: Integrated C as /devices/pci0000:00/0000:00:02.7/0000:05:00.0/usb2/2-2/2-2:1.0/input/input10
input: Integrated Camera: Integrated I as /devices/pci0000:00/0000:00:02.7/0000:05:00.0/usb2/2-2/2-2:1.2/input/input11
input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:08.1/0000:06:00.1/sound/card0/input12
input: HD-Audio Generic HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:08.1/0000:06:00.1/sound/card0/input13
input: HD-Audio Generic HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:08.1/0000:06:00.1/sound/card0/input14
snd_hda_codec_realtek hdaudioC1D0: inputs:
input: HD-Audio Generic Mic as /devices/pci0000:00/0000:00:08.1/0000:06:00.6/sound/card1/input15
input: HD-Audio Generic Headphone as /devices/pci0000:00/0000:00:08.1/0000:06:00.6/sound/card1/input16
rfkill: input handler disabled
rfkill: input handler enabled
rfkill: input handler disabled

here it works (after every secondary boot):

input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0
input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input1
input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2
input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
input: ETPS/2 Elantech TrackPoint as /devices/platform/i8042/serio1/input/input7
input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input6
input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:17/LNXVIDEO:00/input/input8
input: PC Speaker as /devices/platform/pcspkr/input/input9
input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input10
input: Integrated Camera: Integrated C as /devices/pci0000:00/0000:00:02.7/0000:05:00.0/usb2/2-2/2-2:1.0/input/input11
input: Integrated Camera: Integrated I as /devices/pci0000:00/0000:00:02.7/0000:05:00.0/usb2/2-2/2-2:1.2/input/input12
input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:08.1/0000:06:00.1/sound/card0/input13
input: HD-Audio Generic HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:08.1/0000:06:00.1/sound/card0/input14
input: HD-Audio Generic HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:08.1/0000:06:00.1/sound/card0/input15
snd_hda_codec_realtek hdaudioC1D0: inputs:
input: HD-Audio Generic Mic as /devices/pci0000:00/0000:00:08.1/0000:06:00.6/sound/card1/input16
input: HD-Audio Generic Headphone as /devices/pci0000:00/0000:00:08.1/0000:06:00.6/sound/card1/input17
rfkill: input handler disabled
rfkill: input handler enabled
rfkill: input handler disabled

5

I reckon it’s the same issue as me. I also have T14s Gen 1

https://discussion.fedoraproject.org/t/touchpad-doesnt-work-until-a-reboot-when-i-boot-my-lenovo-t14s/64832?u=fingerlessgloves

6

I looked at the version of the USB media, which for me is 5.17.5, I can even select this in the bootloader at startup.

With this version my touchpad works immediately, on every cold boot. With cold start I mean switch off/shut down to 10 count and switch on again.

Then I installed the version 5.17.6, here also no problems. But with version 5.17.7 the problem starts every time reproducible.

So the problem seems to be between kernel version 5.17.6 and 5.17.7.

try the following command to install the Kernel 5.17.6 and boot

sudo dnf in https://kojipkgs.fedoraproject.org//packages/kernel/5.17.6/300.fc36/x86_64/kernel-5.17.6-300.fc36.x86_64.rpm https://kojipkgs.fedoraproject.org//packages/kernel/5.17.6/300.fc36/x86_64/kernel-core-5.17.6-300.fc36.x86_64.rpm https://kojipkgs.fedoraproject.org//packages/kernel/5.17.6/300.fc36/x86_64/kernel-modules-5.17.6-300.fc36.x86_64.rpm https://kojipkgs.fedoraproject.org//packages/kernel/5.17.6/300.fc36/x86_64/kernel-modules-extra-5.17.6-300.fc36.x86_64.rpm

7

Same issue with 5.17.6 for me.

8

does options psmouse elantech_smbus=0

change anything.

can you post the output of
lsmod

with working and non-working.

Thanks

9

this will not work.

now i’ve here the lsmod without touchpad:

Module Size Used by
uinput 20480 0
snd_seq_dummy 16384 0
snd_hrtimer 16384 1
nls_utf8 16384 5
cifs 1282048 4
cifs_arc4 16384 1 cifs
cifs_md4 16384 1 cifs
dns_resolver 16384 1 cifs
fscache 372736 1 cifs
netfs 57344 1 fscache
nft_objref 16384 1
nf_conntrack_netbios_ns 16384 1
nf_conntrack_broadcast 16384 1 nf_conntrack_netbios_ns
nft_fib_inet 16384 1
nft_fib_ipv4 16384 1 nft_fib_inet
nft_fib_ipv6 16384 1 nft_fib_inet
nft_fib 16384 3 nft_fib_ipv6,nft_fib_ipv4,nft_fib_inet
nft_reject_inet 16384 6
nf_reject_ipv4 16384 1 nft_reject_inet
nf_reject_ipv6 20480 1 nft_reject_inet
nft_reject 16384 1 nft_reject_inet
nft_ct 24576 16
nft_chain_nat 16384 2
nf_nat 57344 1 nft_chain_nat
nf_conntrack 163840 4 nf_nat,nft_ct,nf_conntrack_netbios_ns,nf_conntrack_broadcast
nf_defrag_ipv6 24576 1 nf_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
ip_set 61440 0
nf_tables 278528 232 nft_ct,nft_reject_inet,nft_fib_ipv6,nft_objref,nft_fib_ipv4,nft_chain_nat,nft_reject,nft_fib,nft_fib_inet
nfnetlink 20480 3 nf_tables,ip_set
qrtr 49152 4
bnep 28672 2
sunrpc 651264 1
iwlmvm 524288 0
snd_ctl_led 24576 0
snd_acp3x_pdm_dma 16384 1
snd_soc_dmic 16384 1
snd_acp3x_rn 16384 5
snd_hda_codec_realtek 167936 1
snd_sof_amd_renoir 16384 0
mac80211 1196032 1 iwlmvm
snd_hda_codec_generic 98304 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 77824 1
snd_sof_amd_acp 40960 1 snd_sof_amd_renoir
snd_sof_pci 24576 1 snd_sof_amd_renoir
snd_hda_intel 57344 12
snd_sof 188416 3 snd_sof_amd_acp,snd_sof_pci,snd_sof_amd_renoir
snd_sof_utils 20480 1 snd_sof
intel_rapl_msr 20480 0
snd_intel_dspcfg 32768 1 snd_hda_intel
vfat 20480 1
snd_intel_sdw_acpi 20480 1 snd_intel_dspcfg
snd_soc_core 344064 4 snd_acp3x_rn,snd_sof,snd_soc_dmic,snd_acp3x_pdm_dma
tps6598x 57344 0
libarc4 16384 1 mac80211
fat 86016 1 vfat
snd_compress 28672 1 snd_soc_core
intel_rapl_common 28672 1 intel_rapl_msr
snd_hda_codec 172032 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
btusb 65536 0
uvcvideo 126976 0
ac97_bus 16384 1 snd_soc_core
snd_hda_core 110592 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_pcm_dmaengine 16384 1 snd_soc_core
btrtl 28672 1 btusb
snd_pci_acp6x 16384 0
snd_hwdep 16384 1 snd_hda_codec
btbcm 20480 1 btusb
edac_mce_amd 40960 0
iwlwifi 409600 1 iwlmvm
videobuf2_vmalloc 20480 1 uvcvideo
snd_seq 90112 7 snd_seq_dummy
btintel 49152 1 btusb
videobuf2_memops 20480 1 videobuf2_vmalloc
kvm_amd 151552 0
btmtk 16384 1 btusb
iwlmei 40960 2 iwlmvm,iwlwifi
snd_seq_device 16384 1 snd_seq
videobuf2_v4l2 36864 1 uvcvideo
kvm 1073152 1 kvm_amd
bluetooth 802816 14 btrtl,btmtk,btintel,btbcm,bnep,btusb
videobuf2_common 69632 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
snd_pcm 151552 12 snd_sof_amd_acp,snd_hda_codec_hdmi,snd_pci_acp6x,snd_hda_intel,snd_hda_codec,snd_sof,snd_compress,snd_soc_core,snd_sof_utils,snd_hda_core,snd_acp3x_pdm_dma,snd_pcm_dmaengine
thinkpad_acpi 131072 0
cfg80211 1052672 4 iwlmvm,iwlmei,iwlwifi,mac80211
irqbypass 16384 1 kvm
videodev 278528 3 videobuf2_v4l2,uvcvideo,videobuf2_common
snd_pci_acp5x 20480 0
ledtrig_audio 16384 4 snd_ctl_led,snd_hda_codec_generic,snd_sof,thinkpad_acpi
rapl 20480 0
think_lmi 36864 0
snd_timer 49152 3 snd_seq,snd_hrtimer,snd_pcm
snd_rn_pci_acp3x 20480 0
platform_profile 16384 1 thinkpad_acpi
pcspkr 16384 0
joydev 28672 0
firmware_attributes_class 16384 1 think_lmi
wmi_bmof 16384 0
mc 69632 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
ecdh_generic 16384 1 bluetooth
snd_acp_config 16384 2 snd_rn_pci_acp3x,snd_sof_amd_renoir
rfkill 36864 8 iwlmvm,bluetooth,thinkpad_acpi,cfg80211
k10temp 16384 0
snd 114688 51 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_sof,snd_timer,snd_compress,thinkpad_acpi,snd_soc_core,snd_pcm
snd_soc_acpi 16384 2 snd_acp_config,snd_sof_amd_renoir
mei 151552 1 iwlmei
i2c_piix4 28672 0
snd_pci_acp3x 20480 0
soundcore 16384 2 snd_ctl_led,snd
serial_multi_instantiate 20480 0
acpi_cpufreq 28672 0
i2c_scmi 20480 0
zram 32768 2
dm_crypt 61440 2
mmc_block 57344 1
amdgpu 8192000 1
hid_logitech_hidpp 49152 0
drm_ttm_helper 16384 1 amdgpu
ttm 86016 2 amdgpu,drm_ttm_helper
rtsx_pci_sdmmc 32768 0
hid_logitech_dj 28672 0
mmc_core 200704 2 rtsx_pci_sdmmc,mmc_block
crct10dif_pclmul 16384 1
crc32_pclmul 16384 0
crc32c_intel 24576 4
iommu_v2 24576 1 amdgpu
nvme 49152 3
gpu_sched 49152 1 amdgpu
ghash_clmulni_intel 16384 0
drm_dp_helper 155648 1 amdgpu
nvme_core 143360 4 nvme
serio_raw 20480 0
ccp 114688 1 kvm_amd
ucsi_acpi 16384 0
sp5100_tco 20480 0
rtsx_pci 110592 1 rtsx_pci_sdmmc
r8169 98304 0
typec_ucsi 53248 1 ucsi_acpi
typec 65536 2 tps6598x,typec_ucsi
wmi 32768 2 wmi_bmof,think_lmi
video 57344 1 thinkpad_acpi
ip6_tables 36864 0
ip_tables 36864 0
ipmi_devintf 20480 0
ipmi_msghandler 122880 1 ipmi_devintf
fuse 172032 5

and here a losmod with the working touchpad:

Module Size Used by
uinput 20480 0
snd_seq_dummy 16384 0
snd_hrtimer 16384 1
nls_utf8 16384 5
cifs 1282048 4
cifs_arc4 16384 1 cifs
cifs_md4 16384 1 cifs
dns_resolver 16384 1 cifs
fscache 372736 1 cifs
netfs 57344 1 fscache
nft_objref 16384 1
nf_conntrack_netbios_ns 16384 1
nf_conntrack_broadcast 16384 1 nf_conntrack_netbios_ns
nft_fib_inet 16384 1
nft_fib_ipv4 16384 1 nft_fib_inet
nft_fib_ipv6 16384 1 nft_fib_inet
nft_fib 16384 3 nft_fib_ipv6,nft_fib_ipv4,nft_fib_inet
nft_reject_inet 16384 6
nf_reject_ipv4 16384 1 nft_reject_inet
nf_reject_ipv6 20480 1 nft_reject_inet
nft_reject 16384 1 nft_reject_inet
nft_ct 24576 16
nft_chain_nat 16384 2
nf_nat 57344 1 nft_chain_nat
nf_conntrack 163840 4 nf_nat,nft_ct,nf_conntrack_netbios_ns,nf_conntrack_broadcast
nf_defrag_ipv6 24576 1 nf_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
ip_set 61440 0
nf_tables 278528 232 nft_ct,nft_reject_inet,nft_fib_ipv6,nft_objref,nft_fib_ipv4,nft_chain_nat,nft_reject,nft_fib,nft_fib_inet
nfnetlink 20480 3 nf_tables,ip_set
qrtr 49152 4
bnep 28672 2
sunrpc 651264 1
iwlmvm 524288 0
snd_soc_dmic 16384 1
snd_acp3x_rn 16384 5
snd_acp3x_pdm_dma 16384 1
snd_sof_amd_renoir 16384 0
snd_sof_amd_acp 40960 1 snd_sof_amd_renoir
snd_sof_pci 24576 1 snd_sof_amd_renoir
intel_rapl_msr 20480 0
vfat 20480 1
mac80211 1196032 1 iwlmvm
intel_rapl_common 28672 1 intel_rapl_msr
snd_sof 188416 3 snd_sof_amd_acp,snd_sof_pci,snd_sof_amd_renoir
fat 86016 1 vfat
snd_ctl_led 24576 0
snd_sof_utils 20480 1 snd_sof
snd_hda_codec_realtek 167936 1
libarc4 16384 1 mac80211
tps6598x 57344 0
edac_mce_amd 40960 0
snd_hda_codec_generic 98304 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 77824 1
snd_soc_core 344064 4 snd_acp3x_rn,snd_sof,snd_soc_dmic,snd_acp3x_pdm_dma
snd_hda_intel 57344 12
snd_compress 28672 1 snd_soc_core
kvm_amd 151552 0
ac97_bus 16384 1 snd_soc_core
snd_intel_dspcfg 32768 1 snd_hda_intel
snd_intel_sdw_acpi 20480 1 snd_intel_dspcfg
iwlwifi 409600 1 iwlmvm
btusb 65536 0
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hda_codec 172032 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_pci_acp6x 16384 0
btrtl 28672 1 btusb
iwlmei 40960 2 iwlmvm,iwlwifi
kvm 1073152 1 kvm_amd
snd_hda_core 110592 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
uvcvideo 126976 0
snd_hwdep 16384 1 snd_hda_codec
btbcm 20480 1 btusb
btintel 49152 1 btusb
videobuf2_vmalloc 20480 1 uvcvideo
btmtk 16384 1 btusb
irqbypass 16384 1 kvm
snd_seq 90112 7 snd_seq_dummy
videobuf2_memops 20480 1 videobuf2_vmalloc
bluetooth 802816 14 btrtl,btmtk,btintel,btbcm,bnep,btusb
snd_seq_device 16384 1 snd_seq
videobuf2_v4l2 36864 1 uvcvideo
cfg80211 1052672 4 iwlmvm,iwlmei,iwlwifi,mac80211
rapl 20480 0
thinkpad_acpi 131072 0
videobuf2_common 69632 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
snd_pcm 151552 12 snd_sof_amd_acp,snd_hda_codec_hdmi,snd_pci_acp6x,snd_hda_intel,snd_hda_codec,snd_sof,snd_compress,snd_soc_core,snd_sof_utils,snd_hda_core,snd_acp3x_pdm_dma,snd_pcm_dmaengine
think_lmi 36864 0
snd_pci_acp5x 20480 0
pcspkr 16384 0
joydev 28672 0
firmware_attributes_class 16384 1 think_lmi
wmi_bmof 16384 0
snd_rn_pci_acp3x 20480 0
ledtrig_audio 16384 4 snd_ctl_led,snd_hda_codec_generic,snd_sof,thinkpad_acpi
videodev 278528 3 videobuf2_v4l2,uvcvideo,videobuf2_common
snd_acp_config 16384 2 snd_rn_pci_acp3x,snd_sof_amd_renoir
platform_profile 16384 1 thinkpad_acpi
ecdh_generic 16384 1 bluetooth
snd_timer 49152 3 snd_seq,snd_hrtimer,snd_pcm
snd_soc_acpi 16384 2 snd_acp_config,snd_sof_amd_renoir
rfkill 36864 8 iwlmvm,bluetooth,thinkpad_acpi,cfg80211
mc 69632 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
k10temp 16384 0
i2c_piix4 28672 0
snd_pci_acp3x 20480 0
snd 114688 51 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_sof,snd_timer,snd_compress,thinkpad_acpi,snd_soc_core,snd_pcm
mei 151552 1 iwlmei
soundcore 16384 2 snd_ctl_led,snd
serial_multi_instantiate 20480 0
i2c_scmi 20480 0
acpi_cpufreq 28672 0
zram 32768 2
dm_crypt 61440 2
mmc_block 57344 1
amdgpu 8192000 1
hid_logitech_hidpp 49152 0
rtsx_pci_sdmmc 32768 0
mmc_core 200704 2 rtsx_pci_sdmmc,mmc_block
drm_ttm_helper 16384 1 amdgpu
ttm 86016 2 amdgpu,drm_ttm_helper
iommu_v2 24576 1 amdgpu
hid_logitech_dj 28672 0
crct10dif_pclmul 16384 1
crc32_pclmul 16384 0
crc32c_intel 24576 4
nvme 49152 3
gpu_sched 49152 1 amdgpu
ghash_clmulni_intel 16384 0
drm_dp_helper 155648 1 amdgpu
nvme_core 143360 4 nvme
ccp 114688 1 kvm_amd
serio_raw 20480 0
ucsi_acpi 16384 0
rtsx_pci 110592 1 rtsx_pci_sdmmc
r8169 98304 0
sp5100_tco 20480 0
typec_ucsi 53248 1 ucsi_acpi
typec 65536 2 tps6598x,typec_ucsi
wmi 32768 2 wmi_bmof,think_lmi
video 57344 1 thinkpad_acpi
ip6_tables 36864 0
ip_tables 36864 0
ipmi_devintf 20480 0
ipmi_msghandler 122880 1 ipmi_devintf
fuse 172032 5

10

yes, after a few tries, the same result.

def3a3d117fc6fded037a0dc4ee1c9e360cf8ef6.jpeg
def3a3d117fc6fded037a0dc4ee1c9e360cf8ef6.jpeg1200×900 155 KB

11

I"d recommend filing a bug for this.

12

what would you recommend it for?

@fingerlessgloves

here at Lenovo Support, found a very simillar problem.
but the hint with blacklisting the “elantech_i2c” module, does not working for me.

13

I’d start with Fedora.

14

i think this is interessting, but how its solve this case?

15

That bugzilla seems to be mostly about the trackpoint, but sounds related.

16

Okay, this Error occurred here too

[coffee@coffeepad ~]journalctl -b |grep Elantech
Jun 20 20:26:54 fedora kernel: input: ETPS/2 Elantech TrackPoint as /devices/platform/i8042/serio1/input/input12
Jun 20 20:26:54 fedora kernel: input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input6
Jun 20 20:29:17 coffeepad gnome-shell[2400]: libinput error: event10 - ETPS/2 Elantech Touchpad: kernel bug: Touch jump detected and discarded.
17

I’ve just been using my laptop while the issue was occurring and I then put it to sleep while I had something to eat and now the touchpad has loaded in. 19:05 is roughly when I powered the machine from sleep.

If you boot cold with the issue, suspend to ram then come out, does that kick the touchpad in for you?

Jun 20 19:05:39 Lenovo kernel: input: ETPS/2 Elantech TrackPoint as /devices/platform/i8042/serio1/input/input19
Jun 20 19:05:39 Lenovo kernel: input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input18
Jun 20 19:12:07 Lenovo kwin_wayland[3078]: kwin_libinput: Libinput: event16 - ETPS/2 Elantech Touchpad: kernel bug: Touch jump detected and discarded.
Jun 20 19:12:09 Lenovo kwin_wayland[3078]: kwin_libinput: Libinput: event16 - ETPS/2 Elantech Touchpad: kernel bug: Touch jump detected and discarded.
Jun 20 19:19:46 Lenovo kwin_wayland[3078]: kwin_libinput: Libinput: event16 - ETPS/2 Elantech Touchpad: kernel bug: Touch jump detected and discarded.
Jun 20 19:21:15 Lenovo kwin_wayland[3078]: kwin_libinput: Libinput: event16 - ETPS/2 Elantech Touchpad: kernel bug: Touch jump detected and discarded.
Jun 20 19:41:41 Lenovo kwin_wayland[3078]: kwin_libinput: Libinput: event16 - ETPS/2 Elantech Touchpad: kernel bug: Touch jump detected and discarded.
Jun 20 19:41:41 Lenovo kwin_wayland[3078]: kwin_libinput: Libinput: event16 - ETPS/2 Elantech Touchpad: WARNING: log rate limit exceeded (5 msgs per 24h). Discarding future messages.

Boot Time: 2022-06-20 18:16:06
18

Yes, it worked for me… cold-start without a fully functionally touchpad, after ‘suspend’ and start again the touchpad is back. :tired_face:

19

I’ve noticed you’ve got secure boot off, I’ve got it on, so that’s not the issue either.

20

this is correct

@fingerlessgloves use you a Windows OS on your T14s?