Done. Same problem.
After installing bcmwl-kernel-source in practice laptop is without any
internet connection for not a-bit-more experienced user as modprobe wl
will try to remove the NIC driver b44 and then trough "modprobe ignore
install b44" wich due to the broken module/kernel state cannot be
undone, process hangs. After reboot if wl is not explicitly blacklisted
it will trigger the same events and prevent WIFI or LAN driver to work
at all on the machine... really annoing... Good that Unity did not
suggest me to install bcmwl as KDE did on 14.10 and 14.04 :)...
Some technical information
daily build of 15.04 from 06.01.2015
lsb_release -rd
Description: Ubuntu Vivid Vervet (development branch)
Release: 15.04
uname -a
Linux ubuntu 3.16.0-28-generic #38-Ubuntu SMP Fri Dec 12 17:37:40 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
apt-cache policy bcmwl-kernel-source
bcmwl-kernel-source:
Installed: 6.30.223.248+bdcom-0ubuntu2
Candidate: 6.30.223.248+bdcom-0ubuntu2
Version table:
*** 6.30.223.248+bdcom-0ubuntu2 0
500 cdrom://Ubuntu 15.04 _Vivid Vervet_ - Alpha amd64 (20150106)/
vivid/restricted amd64 Packages
500 http://archive.ubuntu.com/ubuntu/ vivid/restricted amd64 Packages
100 /var/lib/dpkg/status
Jan 6 10:44:58 ubuntu kernel: [ 3042.972927] malloc in abgphy done
Jan 6 10:44:58 ubuntu kernel: [ 3042.973350] wl driver 6.30.223.248 (r487574)
failed with code 21
Jan 6 10:44:58 ubuntu kernel: [ 3042.973384] ------------[ cut here
]------------
Jan 6 10:44:58 ubuntu kernel: [ 3042.974356] kernel BUG at
include/net/cfg80211.h:3343!
Jan 6 10:44:58 ubuntu kernel: [ 3042.975276] invalid opcode: 0000 [#1] SMP
** Attachment added: "syslog output"
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1407522/+attachment/4292893/+files/syslog
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https://bugs.launchpad.net/bugs/1407522
Title:
bcmwl package was sugested by KDE driver manager but broke the system
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