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Message #184626
[Bug 1415880] Re: 14e4:4365 bcmwl-kernel source: fix for null pointer crash
Hi, don't know where to post this (and my English is not so good,
sorry), but: i have the same problems with my bcm43142 (HP G4 250
laptop) + (4.4.0-24-generic #43-Ubuntu 16.04 64'bit' GNU/Linux) - it
drops connections per "any random time". Today (after many days of
wifipain) I've seem that ping drop so many packages, BUT not for the
first time - ONLY when u start ping anywhere for the second time after
`modprobe or .. wifi goes on?` ! So i have decided to check if terminal
will always ping ( * my router ip, cause don't be banned by anybody, of
couse) and what i've seen: NO DROPPING while pinging. at all. (also
packets AND wifi connection i mean + wifi signal meters "don't jump").
(64 bytes from 192.168.10.1: icmp_seq=6338 ttl=64 time=0.628 ms). but.
Before this i disabled ipv6 and don't change it back.. Tomorrow will
check with ipv6 and other options.. I know this is not a cure, but it's
working for me. What do next if i can help?
--
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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 Vivid:
Won't Fix
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