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Thread: Which should be blacklisted?

  1. #1
    Join Date
    Jul 2012

    Which should be blacklisted?

    I've recently installed Ubuntu 12.04 on my Macbook Pro 8.1 and can't get wireless going.
    I've run through quite a few guides, but when I run
    lshw -C network
    The wirless interface is still shown as UNCLAIMED. Here is the full output:
    *-network UNCLAIMED
           description: Network controller
           product: BCM4331 802.11a/b/g/n
           vendor: Broadcom Corporation
           physical id: 0
           bus info: pci@0000:03:00.0
           version: 02
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list
           configuration: latency=0
           resources: memory:b0600000-b0603fff
    I ran across another post that suggested checking for blacklists using this command

    cat /etc/modprobe.d/* | egrep 'b43|bcm|ssb|wl'
    This is the output:

    # Warning: This file is autogenerated by bcmwl. All changes to this file will be lost.
    blacklist b43
    blacklist b43legacy
    blacklist ssb
    blacklist bcm43xx
    blacklist bcma
    # replaced by b43 and ssb.
    blacklist bcm43xx
    # replaced by b43 and ssb.
    blacklist bcm43xx
    blacklist twl4030_wdt
    # wl module from Broadcom conflicts with ssb
    blacklist b43legacy
    blacklist b43
    blacklist ssb
    install wl /sbin/modprobe --ignore-install wl $CMDLINE_OPTS
    I think that this may be the issue, but how can I tell which should be blacklisted and what shouldn't be? I have only a vague idea of what modprobe does and don't really want to tamper without an idea of what will happen.

  2. #2
    Join Date
    Aug 2005
    South Carolina, USA
    Ubuntu 17.10 Artful Aardvark

    Re: Which should be blacklisted?

    We need more information. It appears that the Broadcom STA driver wl is installed that may or may not be correct for your device. Please post:
    lsb_release -d
    lspci -nn | grep 0280
    rfkill list all
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

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