** Changed in: linux (Ubuntu Noble)
Assignee: (unassigned) => Anthony Wong (anthonywong)
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https://bugs.launchpad.net/bugs/2061040
Title:
I2C HID device sometimes fails to initialize causing touchpad to not
work
Status in linux package in Ubuntu:
New
Status in linux source package in Noble:
New
Bug description:
Hi,
Touchpad on my new Lenovo X1 Carbon (Gen12) with the Sensel haptic pad
doesn't work on boot. I see this:
| [Thu Apr 11 13:57:26 2024] i2c_hid_acpi i2c-SNSL0028:00: device did not ack
reset within 1000 ms
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unknown main
item tag 0x0
| ...
| [Thu Apr 11 13:57:26 2024] hid-generic 0018:2C2F:0028.0001: unbalanced
collection at end of report description
| [Thu Apr 11 13:57:26 2024] hid-generic: probe of 0018:2C2F:0028.0001 failed
with error -22
Per the Arch Linux wiki page[1], removing and reloading the
`i2c_hid_acpi` seems to fix it:
| [Thu Apr 11 13:58:02 2024] i2c_hid_acpi i2c-SNSL0028:00: device did not ack
reset within 1000 ms
| [Thu Apr 11 13:58:02 2024] input: SNSL0028:00 2C2F:0028 Mouse as
/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-15/i2c-SNSL0028:00/0018:2C2F:0028.0002/input/input15
| [Thu Apr 11 13:58:02 2024] input: SNSL0028:00 2C2F:0028 Touchpad as
/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-15/i2c-SNSL0028:00/0018:2C2F:0028.0002/input/input16
| [Thu Apr 11 13:58:02 2024] hid-multitouch 0018:2C2F:0028.0002:
input,hidraw0: I2C HID v1.00 Mouse [SNSL0028:00 2C2F:0028] on i2c-SNSL0028:00
| [Thu Apr 11 13:58:03 2024] psmouse serio1: trackpoint: Synaptics TrackPoint
firmware: 0x08, buttons: 3/3
| [Thu Apr 11 13:58:03 2024] input: TPPS/2 Synaptics TrackPoint as
/devices/platform/i8042/serio1/input/input18
From that Arch Linux wiki page, it seems to be a bug upstream[2] with
the commit fixing this:
|
https://github.com/torvalds/linux/commit/af93a167eda90192563bce64c4bb989836afac1f
Or
| https://lore.kernel.org/linux-
input/[email protected]/T/#u
Can we get fix this backported?
| [hloeung@dharkan tmp]$ apt-cache policy linux-image-generic-hwe-24.04
| linux-image-generic-hwe-24.04:
| Installed: 6.8.0-22.22
| Candidate: 6.8.0-22.22
| Version table:
| *** 6.8.0-22.22 500
| 500 http://haw-test.archive.ubuntu.com/ubuntu noble/main amd64
Packages
| 100 /var/lib/dpkg/status
| [hloeung@dharkan tmp]$ uname -a
| Linux dharkan.local 6.8.0-22-generic #22-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr
4 22:30:32 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
| [hloeung@dharkan tmp]$
Thanks,
Haw
[1]: https://wiki.archlinux.org/title/Lenovo_ThinkPad_Z16_Gen_2
[2]: https://bugzilla.redhat.com/show_bug.cgi?id=2271136
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