Modules built and installed successfully, modules loaded successfully

6.8 kernel

root@noble-lts-vm:~# uname -r
6.8.0-90-generic
root@noble-lts-vm:~# modprobe jool_common && modprobe jool && modprobe jool_siit
root@noble-lts-vm:~# 

6.17 kernel

root@noble-hwe-vm:~# uname -r
6.17.0-7-generic
root@noble-hwe-vm:~# modprobe jool_common && modprobe jool && modprobe jool_siit
root@noble-hwe-vm:~# 

** Description changed:

  [ Impact ]
  
  DKMS make.log for jool-dkms-4.1.11 for kernel 6.17.0-7-generic (x86_64)
  Thu Dec  4 17:10:26 UTC 2025
  make: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
  make[1]: Entering directory 
'/var/lib/dkms/jool-dkms/4.1.11/build/src/mod/common'
  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]  rfc7915/4to6.o
    CC [M]  rfc7915/6to4.o
    CC [M]  rfc7915/common.o
    CC [M]  rfc7915/core.o
    CC [M]  address_xlat.o
    CC [M]  dev.o
    CC [M]  kernel_hook_netfilter.o
    CC [M]  kernel_hook_iptables.o
    CC [M]  log.o
    CC [M]  address.o
    CC [M]  atomic_config.o
    CC [M]  icmp_wrapper.o
    CC [M]  init.o
    CC [M]  ipv6_hdr_iterator.o
    CC [M]  joold.o
    CC [M]  packet.o
    CC [M]  rfc6052.o
    CC [M]  rtrie.o
    CC [M]  stats.o
    CC [M]  types.o
    CC [M]  translation_state.o
    CC [M]  route_out.o
    CC [M]  skbuff.o
    CC [M]  core.o
    CC [M]  error_pool.o
    CC [M]  timer.o
    CC [M]  trace.o
    CC [M]  wkmalloc.o
    CC [M]  wrapper-config.o
  timer.c: In function ‘jtimer_teardown’:
  timer.c:66:9: error: implicit declaration of function ‘del_timer_sync’; did 
you mean ‘dev_mc_sync’? [-Werror=implicit-function-declaration]
     66 |         del_timer_sync(&timer);
        |         ^~~~~~~~~~~~~~
        |         dev_mc_sync
  cc1: some warnings being treated as errors
    CC [M]  wrapper-global.o
  make[3]: *** 
[/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287: timer.o] 
Error 1
  make[3]: *** Waiting for unfinished jobs....
  make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error 
2
  make[1]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248: 
__sub-make] Error 2
  make[1]: Leaving directory 
'/var/lib/dkms/jool-dkms/4.1.11/build/src/mod/common'
  make: *** [Makefile:248: __sub-make] Error 2
  make: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
  
  [ 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 jool-dkms:
  
  $ sudo apt install jool-dkms
  
  Modules built and installed successfully.
  
  Load the modules:
  
  $ sudo modprobe jool_common
  $ sudo modprobe jool
  $ sudo modprobe jool_siit
  
  Modules loaded successfully.
  
- The same procedure can be repeated on linux-6.8 to test for possible
+ The same procedure should be repeated on linux-6.8 to test for possible
  regressions.
  
  [ Fix ]
  
  Apply patch from enabling 6.17
  
  * debian/patches/rename-to-timer_delete_sync-in-Linux-6.15.patch
  
  * Adding Ubuntu Developers as Maintainers
  * Change build dependency pkg-config => pkgconf
  
  [ Regression potential ]
  
  We may experience regressions in systems that are using the jool-dkms
  drivers, especially with kernels >= 6.8 kernel.

** Tags removed: verification-needed-noble
** Tags added: verification-done-noble

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https://bugs.launchpad.net/bugs/2133887

Title:
  jool-dkms FTBS in Noble with the linux-6.17-hwe kernel

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