Broadcom STA driver monitor mode freezes system

Bug #1585408 reported by Eric Theis
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
bcmwl (Ubuntu)
New
Undecided
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Bug Description

Per the instructions for activating an interface for use in monitor mode provided by broadcom (http://www.broadcom.com/docs/linux_sta/README_6.30.223.271.txt), I execute:

echo 1 > /proc/brcm_monitor0

Nothing happens, and if I execute it with sudo privileges, the entire system freezes. Thus, I am unable to activate the prism0 monitor mode interface.

Research shows that this issue occurs beginning in ubuntu 13.10, but other sources indicate it has since been patched. I am currently running 16.04 on a mac (version 10.1, Retina MBP mid 2012) with a BCM4331 network card.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu8
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue May 24 16:26:26 2016
InstallationDate: Installed on 2016-05-24 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)

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Eric Theis (ettheis) wrote :
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