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[Bug 1415880] Re: 14e4:4365 bcmwl-kernel source: fix for null pointer crash

 

I'm fixing all packages so DKMS will work with future LTS kernels +
applying specified fix where needed.

# PRECISE (fix not needed)

bcmwl, 6.20.155.1+bdcom, 3.2.0-90-generic, x86_64: installed 		# precise
bcmwl, 6.20.155.1+bdcom, 3.13.0-63-generic, x86_64: installed		# trusty-lts

# TRUSTY (fix for future lts-wily kernel)

Trusty needs a fix for 4.2 lts-wily future kernel:

bcmwl, 6.30.223.248+bdcom, 3.13.0-63-generic, x86_64: installed 	# trusty
bcmwl, 6.30.223.248+bdcom, 3.19.0-27-generic, x86_64: installed		# vivid-lts
bcmwl, 6.30.223.248+bdcom, 4.2.0-4-generic, x86_64: installed		# wily-lts (fixed)

# VIVID (fix for future lts-wily kernel, fix for this bug)

bcmwl, 6.30.223.248+bdcom, 3.19.0-27-generic, x86_64: installed		# vivid
bcmwl, 6.30.223.248+bdcom, 4.2.0-4-generic, x86_64: installed		# wily-lts (fixed)

# WILY (fix for this bug)

bcmwl, 6.30.223.248+bdcom, 3.19.0-27-generic, x86_64: installed		# vivid (test)
bcmwl, 6.30.223.248+bdcom, 4.2.0-4-generic, x86_64: installed		# wily

To come: PPA and ask for feedback.

Thank you

Rafael

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https://bugs.launchpad.net/bugs/1415880

Title:
  14e4:4365 bcmwl-kernel source: fix for null pointer crash

Status in Dell Sputnik:
  Confirmed
Status in bcmwl package in Ubuntu:
  In Progress

Bug description:
  The bcmwl package as of now misses one patch for a bug that occurs
  with BCM43142 and possibly other broadcom chipsets that will look like
  random disconnects, poor wifi signal and kernel warnings, See also
  #1379524.

  Adding the patch is a fairly simple process:

  * put the patch file in /usr/src/bcmwl-6.30.223.248+bdcom/patches
  * add the following line to  /usr/src/bcmwl-6.30.223.248+bdcom/dkms.conf
  PATCH[7]="0014-null-pointer-crash.patch"
  * run: /usr/lib/dkms/common.postinst bcmwl 6.30.223.248+bdcom /usr/share/bcmwl x86_64 $(uname -r)

  This has fixed the issue for me. Edit: I just wanted to add that I did
  not write the patch; I merely downloaded it from a paste that was
  linked from the respective AUR package.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu1 [modified: usr/src/bcmwl-6.30.223.248+bdcom/dkms.conf]
  ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
  Uname: Linux 3.16.0-29-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Thu Jan 29 13:15:17 2015
  InstallationDate: Installed on 2015-01-26 (3 days ago)
  InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: bcmwl
  UpgradeStatus: No upgrade log present (probably fresh install)

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References