** Tags added: hwe-touchpad
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Title:
Touchpad stopped working after upgrading to Ubuntu 20.04
Status in linux package in Ubuntu:
C
The same issue for Dell XPS 13 9360.
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Title:
Touchpad stopped working after upgrading to Ubuntu 20.04
Status in linux package in Ub
P: /devices/platform/i8042/serio1
L: 0
E: DEVPATH=/devices/platform/i8042/serio1
E: SUBSYSTEM=serio
E: DRIVER=psmouse
E: SERIO_TYPE=01
E: SERIO_PROTO=00
E: SERIO_ID=00
E: SERIO_EXTRA=00
E: MODALIAS=serio:ty01pr00id00ex00
E: SERIO_FIRMWARE_ID=PNP: SYN2b01 SYN2b00 SYN0002 PNP0f13
[ 50.223065] psmo
@atztao, please append following kernel boot parameters, reboot and
attach output of `journalctl -b`:
"dyndbg=file drivers/input/* +pt" i8042.debug=1 i8042.nopnp=1
log_buf_len=32M
For detailed steps, please see https://askubuntu.com/questions/19486
/how-do-i-add-a-kernel-boot-parameter.
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Yo
Correct, please remove that "i8042.nopnp=1" parameter from my previous
comment. Use following parameters instead:
"dyndbg=file drivers/input/* +pt" i8042.debug=1 log_buf_len=32M
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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[Expired for linux (Ubuntu) because there has been no activity for 60
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** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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The output of journalctl -b
** Attachment added: "h-Yoga-13 kernel: node 0: [mem
0x40005000-0xc4da]"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1885270/+attachment/5391916/+files/h-Yoga-13%20kernel%3A%20node%200%3A%20%5Bmem%200x40005000-0xc4da
Though different vendor, seems to be similar to lp: #1882388.
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https://bugs.launchpad.net/bugs/1885270
Title:
Touchpad stopped working after upgrading to Ubuntu 20.04
Stat
Even upgrading the kernel to 5.7.8-050708-generic did not solve the problem.
Also,
"dyndbg=file drivers/input/* +pt" i8042.debug=1 log_buf_len=32M
command solved the problem for some minutes only then the touchpad again
started to be detected as ps2 generic mouse.
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