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Message #154899
[Bug 1415880] Re: 14e4:4365 bcmwl-kernel source: fix for null pointer crash
Hello Andre, or anyone else affected,
Accepted bcmwl into vivid-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/bcmwl/6.30.223.248
+bdcom-0ubuntu2.1 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 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, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed. In either case, details of your testing will help
us make a better decision.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!
** Changed in: bcmwl (Ubuntu Vivid)
Status: Confirmed => Fix Committed
** Tags added: verification-needed
** Changed in: bcmwl (Ubuntu Precise)
Status: Confirmed => Fix Committed
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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:
Fix Released
Status in bcmwl source package in Precise:
Fix Committed
Status in bcmwl source package in Trusty:
Fix Committed
Status in bcmwl source package in Vivid:
Fix Committed
Status in bcmwl source package in Wily:
Fix Released
Bug description:
[Impact]
* bcmwl does not compile on new kernels (or HWE kernels)
* bcmwl suffers from null reference bug
[Test Case]
* public PPA provided to community and feedback
* based on patch available to other distros
* comment #42
[Regression Potential]
* for changes on kernel support it may not compile (tested with 3.2, 3.13, 3.18 and 4.2)
* for the null reference change -> proved to fix problem for community based on feedback
[Other Info]
Original 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