Andan,
Can you please test latest mainline kernel? I think this commit can fix your
issue:
commit 670784fb4ebe54434e263837390e358405031d9e
Author: Kai-Heng Feng
Date: Tue Apr 30 16:37:53 2019 +0800
pinctrl: intel: Clear interrupt status in mask/unmask callback
Commit a939bb57cd47
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Disco)
Status: New => Fix Committed
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
disco' to 'verification-done-disco'. If the problem still exists, change
the tag
Hi Kai-Heng Feng,
I have a laptop with the same problem. It's a SCHNEIDER SCL142ALM.
I have compiled the ubuntu kernel modifying the
"i2c_hid_dmi_desc_override_table" to add:
{
.ident = "SCHNEIDER SCL142ALM",
.matches = {
Can you please test this kernel:
https://people.canonical.com/~khfeng/lp1835040-2/
We may have found a real fix to the issue.
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https://bugs.launchpad.net/bugs/1825718
Title:
Touchpad
Okay..thank you
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https://bugs.launchpad.net/bugs/1825718
Title:
Touchpad not detecting in Linux
To manage notifications about this bug go to:
https://lkml.org/lkml/2019/4/22/38
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https://bugs.launchpad.net/bugs/1825718
Title:
Touchpad not detecting in Linux
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Hi Kai-Heng Feng,
The patch is working fine. Thank you so much. The touchpad now lists in
xinput,
xinput
⎡ Virtual core pointer id=2[master pointer (3)]
⎜ ↳ Virtual core XTEST pointerid=4[slave pointer (2)]
⎜ ↳ SYNA3602:00 0911:5288
Please test this kernel:
https://people.canonical.com/~khfeng/lp1825718/
Use the descriptor in i2c-hid-dmi-quirks.c.
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Title:
Touchpad not
Please check the latest dmesg.
** Attachment added: "dmesg with i2c_hid debugging"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1825718/+attachment/5257790/+files/dmesg_debug.log
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Oh, your touchpad is i2c-hid, so it has nothing to do with psmouse.
Please add "i2c-hid.debug=1" and "hid.debug=1" to the bootargs, then
upload the dmesg.
thx.
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Added psmouse.proto=bare to "/etc/default/grub" and rebooted.
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash psmouse.dyndbg=+p psmouse.proto=bare"
Still not working.
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Hi Hui Wang,
Thanks for the quick reply. I'm new to this place and i believe changes
has to be done in "/etc/default/grub"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash psmouse.dyndbg=+p"
One observation after boot-up;
dmesg | grep "i2c_hid"
[3.016774] i2c_hid i2c-SYNA3602:00: i2c-SYNA3602:00
Please add psmouse.dyndbg=+p to the bootargs, boot the kernel, then
upload the dmesg.
After that, add psmouse.proto=bare to the booargs, boot the kernel test if the
touchpad can work or not.
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