digimend-dkms FTBS in Noble with the linux-6.17-hwe kernel

[John Cabaj]

[ Impact ]

DKMS make.log for digimend-12 for kernel 6.17.0-7-generic (x86_64)
Tue Dec 2 22:08:55 UTC 2025
make -C /lib/modules/6.17.0-7-generic/build M=/var/lib/dkms/digimend/12/build modules
make[1]: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
make[2]: Entering directory '/var/lib/dkms/digimend/12/build'
warning: the compiler differs from the one used to build the kernel
  The kernel was built by: x86_64-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
  You are using: gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
  CC [M] hid-kye.o
  CC [M] hid-uclogic-core.o
  CC [M] hid-uclogic-rdesc.o
  CC [M] hid-uclogic-params.o
  CC [M] hid-polostar.o
hid-uclogic-core.c: In function ‘uclogic_remove’:
hid-uclogic-core.c:495:9: error: implicit declaration of function ‘del_timer_sync’ [-Werror=implicit-function-declaration]
  495 | del_timer_sync(&drvdata->inrange_timer);
      | ^~~~~~~~~~~~~~
hid-uclogic-params.c: In function ‘uclogic_params_init’:
hid-uclogic-params.c:1685:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
 1685 | if (bNumInterfaces != 3) {
      | ^
hid-uclogic-params.c:1703:9: note: here
 1703 | case VID_PID(USB_VENDOR_ID_HUION,
      | ^~~~
  CC [M] hid-viewsonic.o
cc1: some warnings being treated as errors
make[4]: *** [/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287: hid-uclogic-core.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error 2
make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248: __sub-make] Error 2
make[2]: Leaving directory '/var/lib/dkms/digimend/12/build'
make[1]: *** [Makefile:248: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
make: *** [Makefile:26: modules] Error 2

[ Test case ]

Install the latest linux-6.17 kernel on Noble:

$ sudo add-apt-repository ppa:canonical-kernel-team/ppa3
$ sudo apt install linux-generic-hwe-24.04-edge

Install digimend-dkms:

$ sudo apt install digimend-dkms

Module built and installed successfully.

Load the modules:

$ sudo modprobe hid-kye
$ sudo modprobe hid-uclogic
$ sudo modprobe hid-polostar
$ sudo modprobe hid-viewsonic

Modules loaded successfully.

The same procedure should be repeated on linux-6.8 to test for possible regressions.

[ Fix ]

Apply patches from digimend-dkms Questing release enabling 6.17

* debian/patches/support-linux-6.15.patch

[ Regression potential ]

We may experience regressions in systems that are using the digimend drivers, especially with kernels >= 6.8 kernel.

[John Cabaj (john-cabaj)]

Package built and available here - https://launchpad.net/~john-cabaj/+archive/ubuntu/hwe-6.17-dkms

[John Cabaj (john-cabaj)]

12-1ubuntu0.1 -> 12-1ubuntu0.2 debdiff

[Massimiliano Pellizzer (mpellizzer)]

Uploaded, thanks

[Timo Aaltonen (tjaalton)]

s/can/should/ in the description

[Nick Rosbrook (enr0n)]

Hello John, or anyone else affected,

Accepted digimend-dkms into noble-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/digimend-dkms/12-1ubuntu0.2 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-noble to verification-done-noble. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-noble. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

[John Cabaj (john-cabaj)]

Module built and installed successfully and all modules loaded successfully.

6.8 kernel

root@noble-lts-vm:~# modprobe hid-kye && modprobe hid-uclogic && modprobe hid-polostar && modprobe hid-viewsonic
root@noble-lts-vm:~#

6.17 kernel

root@noble-hwe-vm:~# modprobe hid-kye && modprobe hid-uclogic && modprobe hid-polostar && modprobe hid-viewsonic
root@noble-hwe-vm:~#

[Andreas Hasenack (ahasenack)]

And for noble 6.14 HWE:

ubuntu@n-dkms:~$ uname -a
Linux n-dkms 6.14.0-37-generic #37~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 20 10:25:38 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

ubuntu@n-dkms:~$ apt-cache policy digimend-dkms
digimend-dkms:
  Installed: 12-1ubuntu0.2
  Candidate: 12-1ubuntu0.2
  Version table:
 *** 12-1ubuntu0.2 100
        100 http://br.archive.ubuntu.com/ubuntu noble-proposed/universe amd64 Packages
        100 /var/lib/dpkg/status
     12-1ubuntu0.1 500
        500 http://br.archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages
     12-1 500
        500 http://br.archive.ubuntu.com/ubuntu noble/universe amd64 Packages

ubuntu@n-dkms:~$ for m in hid-kye hid-kye hid-polostar hid-viewsonic; do sudo modprobe $m; done
ubuntu@n-dkms:~$

dmesg:
[Thu Jan 8 18:53:04 2026] hid: raw HID events driver (C) Jiri Kosina

[Launchpad Janitor (janitor)]

This bug was fixed in the package digimend-dkms - 12-1ubuntu0.2

---------------
digimend-dkms (12-1ubuntu0.2) noble; urgency=medium

  * Support linux 6.17 (LP: #2133753)
    - debian/patches/support-linux-6.15.patch

 -- John Cabaj <email address hidden> Tue, 02 Dec 2025 16:23:37 -0600

[Andreas Hasenack (ahasenack)]

The verification of the Stable Release Update for digimend-dkms has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.