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[Bug 1156138] Re: bcmwl-kernel-source fails to build on lowlatency kernel [FATAL: modpost: GPL-incompatible module wl.ko uses GPL-only symbol '__rcu_read_unlock']

 

Weird. Note: I'm on 12.04, not 13.04, but it shouldn't matter.

I have bcmwl-kernel-source 6.30.223.30+bdcom-0ubuntu3, downloaded from here:
https://launchpad.net/ubuntu/+source/bcmwl/6.30.223.30+bdcom-0ubuntu3/+build/4761504

That one includes in /patches:
0001, 0002, 0003, 0004 (kernel 3.2), 0005 (kernel 3.4), 0006 (kernel 3.8), 0007 (wdev), 0008 (kernel 3.9), 0009 (kernel 3.10)

Note that the patch for 3.10 (0009) is PATCH_MATCH'ed to kernels 3.10
and 3.11. But this should be irrelevant.

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https://bugs.launchpad.net/bugs/1156138

Title:
  bcmwl-kernel-source fails to build on lowlatency kernel [FATAL:
  modpost: GPL-incompatible module wl.ko uses GPL-only symbol
  '__rcu_read_unlock']

Status in “bcmwl” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 13.04

  ProblemType: Package
  DistroRelease: Ubuntu 13.04
  Package: bcmwl-kernel-source 6.20.155.1+bdcom-0ubuntu6
  ProcVersionSignature: Ubuntu 3.8.0-13.22-generic 3.8.3
  Uname: Linux 3.8.0-13-generic i686
  NonfreeKernelModules: wl
  ApportVersion: 2.9.1-0ubuntu1
  Architecture: i386
  DKMSKernelVersion: 3.8.0-12-lowlatency
  Date: Sat Mar 16 23:37:03 2013
  InstallationDate: Installed on 2013-01-03 (72 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
  MarkForUpload: True
  PackageVersion: 6.20.155.1+bdcom-0ubuntu6
  SourcePackage: bcmwl
  Title: bcmwl-kernel-source 6.20.155.1+bdcom-0ubuntu6: bcmwl kernel module failed to build
  UpgradeStatus: Upgraded to raring on 2013-03-12 (4 days ago)

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