This bug was fixed in the package linux - 5.13.0-28.31
---
linux (5.13.0-28.31) impish; urgency=medium
* amd_sfh: Null pointer dereference on early device init causes early panic
and fails to boot (LP: #1956519)
- HID: amd_sfh: Fix potential NULL pointer dereference
*
Thnaks @AaronMa I understand
I didn't know that! its look like we I have to wait :)
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Title:
Faulty Elantech Trackpoint
@edurojas,
The patch is delayed to be merged in impish due to some kernel
regression, it's was supposed to be included in 5.13.0-26.27.
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Hi!
Is this bug still active? I have update de kernel to 5.13.0-25.26 And the
problem persist.
:(
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Title:
Faulty
Just installed (regular update) Linux 5.13.0-25-generic #26-Ubuntu SMP
in Ubuntu 21.10 and the problem persist, I don't know if this update
contain the fix or not for Impish Idri :(
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This bug was fixed in the package linux-oem-5.13 - 5.13.0-1026.32
---
linux-oem-5.13 (5.13.0-1026.32) focal; urgency=medium
[ Ubuntu: 5.13.0-25.26 ]
* amdgpu hangs for 90 seconds at a time in 5.13.0-23, but 5.13.0-22 works
(LP: #1956401)
- drm/amdkfd: fix boot failure
@GT, 'verification-done-impish' is done.
Edit tags will do that.
Thanks for your test.
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Title:
Faulty Elantech
I installed the new proposed kernel and tested the trackpoint for some
hours. I confirm that the new kernel fixes the bug on Lenovo Thinkpad
T14s Gen1 (AMD).
Can someone verify and change the tag 'verification-needed-impish' to
'verification-done-impish'? I don't see where I could change tags in
** Tags removed: verification-needed-impish
** Tags added: verification-done-impish
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Title:
Faulty Elantech Trackpoint
This bug is awaiting verification that the linux/5.13.0-24.24 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-impish' to 'verification-done-impish'. If the
problem still exists,
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
Faulty Elantech Trackpoint firmware
** Changed in: linux (Ubuntu Impish)
Status: Confirmed => Fix Committed
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Title:
Faulty Elantech Trackpoint firmware
This bug was fixed in the package linux-oem-5.14 - 5.14.0-1010.10
---
linux-oem-5.14 (5.14.0-1010.10) focal; urgency=medium
* focal/linux-oem-5.14: 5.14.0-1010.10 -proposed tracker (LP:
#1953346)
* alsa/sdw: add sdw audio machine driver for several ADL machines
(LP:
@GT,
Not yet for impish, SRU is just sent, oem focal kernel just lucky for a respin;
Next release for impish proposed kernel is 10-Jan.
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Is this patch already included in the Ubuntu 21.10 (Impish Indri) kernel
(in proposed packages) for testing?
I installed the proposed kernel (5.13.0-23-generic) in Impish yesterday
and the bug still exists. I still get sudden cursor jumps.
If the patch is not yet in the Impish proposed kernel,
Verified on Ubuntu-oem-5.14-5.14.0-1009.9.
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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This bug is awaiting verification that the linux-oem-5.14/5.14.0-1009.9
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-focal' to 'verification-done-focal'. If the
problem still
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: Confirmed => Fix Committed
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: Confirmed => Fix Committed
** Changed in: linux-oem-5.13 (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux-oem-5.14 (Ubuntu)
** Changed in: linux (Ubuntu Impish)
Importance: Undecided => Medium
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Title:
Faulty Elantech Trackpoint firmware
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu Impish)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem-5.13 (Ubuntu)
Status: New => Confirmed
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** Description changed:
*Problem description:*
On Lenovo Thinkpad T14s, X13, A475 (and probably more models) the Elantech
Trackpoint firmware is defective. The trackpoint cursor often suddenly jumps to
an edge/corner, because the hardware/firmware sometimes reports wrong
coordinates /
The fix is alreay in Jammy 5.15 kernel Ubuntu-5.15.0-12.12 via bug
#1951822.
SRU for 5.13 impish and oem-focal kernel.
** No longer affects: linux (Ubuntu Trusty)
** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu)
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => AaronMa (mapengyu)
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Assignee: AaronMa (mapengyu)
Status: Confirmed
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
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You
that's good to read, I hope this attract the attention of the kernel
team so they can backport to ubuntu, this is a really annoying bug.
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This fix has been included in several stable and longterm kernel
releases, here's the list for reference:
- Linux 5.15.3, see here:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.3
- Linux 5.14.19, see here:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.19
- Linux
I hope this gets backported to Ubuntu 21.10 if possible!
This has been a really annoying bug :(
Thanks!
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Title:
Faulty Elantech
Is it possible to backport the patch to the Ubuntu 21.10 kernel (Linux
5.13)?
This would be great, since the sudden cursor jumps are just super
annoying. Thanks.
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Hello the patch was merged in the kernel maintainer's branch yesterday:
https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?id=be896bd3b72b44126c55768f14c22a8729b0992e
I confirm that it works in Linux 5.14 and 5.15
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It seems the maintainer has concerns on the patch, and there is no reply
from the developer at the moment:
https://patchwork.kernel.org/project/linux-
input/patch/20210729010940.5752-1-phoe...@emc.com.tw/
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Linux kernel 5.14 was released and 5.15 merge window should be open soon
followed by rc1. If we don't see the patch lands in mainline we can
consider alternatives such as submit the SRU as a sauce patch instead.
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Until now, unfortunately, there seems to be no progress with integrating
the patch: https://patchwork.kernel.org/project/linux-
input/list/?series=523049
However, the siduction kernel 5.14-rc7 (5.14~rc7-1~exp2) already has
integrated the patch. Could Ubuntu do the same?
Is here anyone who could
Thanks for reporting this. The patch does not yet land in mainline
kernel (5.14rc3), and the patch was submitted for review on July 29
(https://patchwork.kernel.org/project/linux-
input/patch/20210729010940.5752-1-phoe...@emc.com.tw/)
Once the patch lands in mainline it can be backport to Ubuntu
There is a new comment in the Kernel bugtracking system that Elantech is
going to upload the patch to the Linux kernel. Can anyone verify when
this happens and pull the patch / backport it to the Ubuntu kernel?
https://bugzilla.kernel.org/show_bug.cgi?id=209167#c16
** Bug watch added: Linux
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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