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https://bugs.launchpad.net/bugs/2110927

Title:
  broadcom-sta-dkms FTBS in Noble with the linux-6.14-hwe kernel

Status in broadcom-sta package in Ubuntu:
  Invalid
Status in broadcom-sta source package in Noble:
  Fix Released

Bug description:
  [ Impact ]

  DKMS make.log for broadcom-sta-6.30.223.271 for kernel 6.14.0-15-generic 
(x86_64)
  Thu May 15 18:20:40 UTC 2025
  CFG80211 API is prefered for this kernel version
  Makefile:89: Neither CFG80211 nor Wireless Extension is enabled in kernel
  KBUILD_NOPEDANTIC=1 make -C /lib/modules/6.14.0-15-generic/build M=`pwd`
  make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent make 
rule.
  make[1]: Entering directory '/usr/src/linux-headers-6.14.0-15-generic'
  make[2]: Entering directory '/var/lib/dkms/broadcom-sta/6.30.223.271/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
  CFG80211 API is prefered for this kernel version
  Using CFG80211 API
  Kernel architecture is X86_64
    CC [M]  src/shared/linux_osl.o
  In file included from src/shared/linux_osl.c:25:
  ././src/include/linuxver.h:151:10: fatal error: net/lib80211.h: No such file 
or directory
    151 | #include <net/lib80211.h>
        |          ^~~~~~~~~~~~~~~~
  compilation terminated.
  make[4]: *** 
[/usr/src/linux-headers-6.14.0-15-generic/scripts/Makefile.build:207: 
src/shared/linux_osl.o] Error 1
  make[3]: *** [/usr/src/linux-headers-6.14.0-15-generic/Makefile:1999: .] 
Error 2
  make[2]: *** [/usr/src/linux-headers-6.14.0-15-generic/Makefile:251: 
__sub-make] Error 2
  make[2]: Leaving directory '/var/lib/dkms/broadcom-sta/6.30.223.271/build'
  make[1]: *** [Makefile:251: __sub-make] Error 2
  make[1]: Leaving directory '/usr/src/linux-headers-6.14.0-15-generic'
  make: *** [Makefile:181: all] Error 2

  [ Test case ]

  Install the latest linux-6.14 kernel on Noble:

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

  Install broadcom-sta-dkms:

  $ sudo apt install broadcom-sta-dkms

  Load the module:

  $ sudo modprobe wl

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

  [ Fix ]

  Apply patches from broadcom-sta-dkms Plucky release enabling 6.14

  * debian/patches/30-fix-version-parsing.patch
  * debian/patches/31-6.12-unaligned-header-location.patch
  * debian/patches/32-build-Provide-local-lib80211.h-header.patch
  * debian/patches/33-Prepare-for-6.14.0-rc6.patch

  [ Regression potential ]

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

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