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For the Lenovo Ideapad Flex 5 14ARE05, no known workaround, but I would try to add to the kernel cmdline "i8042.reset=1" per the description in https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1912880 that forced shutdown while suspend get the touchpad back (though I use such i8042 reset on my Lenovo Thinkpad Yoga S1 to fix the opposite ie no keyboard/touchpad after a force shutdown while suspended, it is worth a try. I have used this hack since it was reported ).
You might also want to try "i8042.nopnp=1" as the dmesg log from the above report tells:
[ 0.602905] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
You could also try i8042.nomux=1 then i8042.kbreset=1
You might also want to report the bug to the Linux kernel ML or bugzilla https://bugzilla.kernel.org/. You might want to post your dmesg output or at least: sudo dmesg|grep -E "PS\/2|ACPI|hid|i8042"
For the Lenovo IdeaPad 5 15are05, IdeaPad 5 15are05 - elan touchpad not working on 20.04 nor on 18.04
modprobe i2c_hid echo "i2c-ELAN0001:00" > /sys/bus/i2c/drivers/elants_i2c/unbind echo "i2c-ELAN0001:00" > /sys/bus/i2c/drivers/i2c_hid/bind or add initcall_blacklist=elants_i2c_driver_init to your kernel cmdline (GRUB_CMDLINE_LINUX="" in /etc/default/grub (2020 might be fixed upstream)
For the Lenovo IdeaPad 3 14IIL05, https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1880172/comments/53, that is:
adding the following arguments to GRUB_CMDLINE_LINUX_DEFAULT.
"i8042.nopnp=1 pci=nocrs" (2020)
@SO_32 you might want to try without pci=nocrs. i8042 parameters ought not to affect wifi devices on its own.
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edited Mar 11 at 18:52
answered Oct 10, 2023 at 4:17

Alban Browaeys


For the Lenovo Ideapad Flex 5 14ARE05, no known workaround, but I would try to add to the kernel cmdline "i8042.reset=1" per the description in https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.8/+bug/1912880 that forced shutdown while suspend get the touchpad back (though I use such i8042 reset on my Lenovo Thinkpad Yoga S1 to fix the opposite ie no keyboard/touchpad after a force shutdown while suspended, it is worth a try. I have used this hack since it was reported ).
You might also want to try "i8042.nopnp=1" as the dmesg log from the above report tells:
[ 0.602905] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
You could also try i8042.nomux=1 then i8042.kbreset=1
You might also want to report the bug to the Linux kernel ML or bugzilla https://bugzilla.kernel.org/. You might want to post your dmesg output or at least: sudo dmesg|grep -E "PS\/2|ACPI|hid|i8042"
For the Lenovo IdeaPad 5 15are05, IdeaPad 5 15are05 - elan touchpad not working on 20.04 nor on 18.04
modprobe i2c_hid echo "i2c-ELAN0001:00" > /sys/bus/i2c/drivers/elants_i2c/unbind echo "i2c-ELAN0001:00" > /sys/bus/i2c/drivers/i2c_hid/bind or add initcall_blacklist=elants_i2c_driver_init to your kernel cmdline (GRUB_CMDLINE_LINUX="" in /etc/default/grub (2020 might be fixed upstream)
For the Lenovo IdeaPad 3 14IIL05, https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1880172/comments/53, that is:
adding the following arguments to GRUB_CMDLINE_LINUX_DEFAULT.
"i8042.nopnp=1 pci=nocrs" (2020)
@SO_32 you might want to try without pci=nocrs. i8042 parameters ought not to affect wifi devices on its own.
Share
Improve this answer
Follow
edited Mar 11 at 18:52
answered Oct 10, 2023 at 4:17

Alban Browaeys
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Makita drill gears assembly
https://youtu.be/FJAoUQXYj3E?si=PTwON77j02LEY1xa
https://youtu.be/FJAoUQXYj3E?si=PTwON77j02LEY1xa
gappak
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mrak
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13.06.2024 12:36:33 ( 102715 )
touchpack
Bus 004 Device 002: ID 1bfd:1688 TouchPack Resistive Touch Screen
ASUS ET1611PUT
---------------------
-------------
# show values
input-events -g 2
# reinit hwdb
systemd-hwdb update
udevadm trigger /dev/input/event2
pkill Xorg
Bus 004 Device 002: ID 1bfd:1688 TouchPack Resistive Touch Screen
ASUS ET1611PUT
---------------------
root@m-touch01:/home/mrak# cat /etc/udev/hwdb.d/61-evdev-local.hwdb # Define properties for touchapach touch screen device solve issue with: # libinput bug: missing tablet capabilities: resolution. Ignoring this device. # touchpack from asus allinone pc evdev:input:b0003v1BFDp1688* EVDEV_ABS_00=0:4060:10 EVDEV_ABS_01=110:4096:10
-------------
# show values
input-events -g 2
# reinit hwdb
systemd-hwdb update
udevadm trigger /dev/input/event2
pkill Xorg
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