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pedestrianic
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PostPosted: Tue Jan 21, 2014 11:16 pm    Post subject: wireless bcm43142 Reply with quote

i have a dell inpirion i would like to install gentoo on, but the liveCD had no driver for my broadcom wireless.
systemRescueCD didn't have it either but ubuntu 13 did. so i am running ubuntu on it now with the wireless connected.

can i just untar a stage3 tarball over the top of my ubuntu and start syncing portage?
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42nd-chris
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PostPosted: Tue Jan 21, 2014 11:52 pm    Post subject: Reply with quote

Rather than untarring over top of Ubuntu, I think you're supposed to untar it into the partition that will be / in your Gentoo install.

I was in a similar boat when I installed, the live CD didn't have what I needed to connect with a Ralink card. I did my install from within Chakra installed on an external drive. Everything worked just fine after I finished the install.

The Wifi page has the kernel options you'll need to configure and info on the needed firmware.
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pedestrianic
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PostPosted: Wed Jan 22, 2014 12:08 am    Post subject: Reply with quote

yes i'll want to repartition before i untar.

first i'll be needing to copy the driver and firmware from ubuntu. right?
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42nd-chris
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PostPosted: Wed Jan 22, 2014 1:33 am    Post subject: Reply with quote

No, you won't need the driver/firmware from Ubuntu; you'll be installing the Gentoo versions.

You'll chroot from Ubuntu into your Gentoo environment shortly after you untar the stage 3. At that point you'll be able to use Portage to get the sources you need to continue. You should remain connected after chrooting. I think you have to wait until after you've compiled your kernel to install the firmware.

At that point you just install it with
Code:
emerge -av linux-firmware
.
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desultory
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PostPosted: Wed Jan 22, 2014 4:22 am    Post subject: Reply with quote

If you need to build firmware into the kernel, you need to have it available in order to build it in; so install the firmware, then build the kernel.

While there should be no need to actually copy the firmware from the Ubuntu system, be sure to make use of it as a reference for what firmware and modules you should build as a baseline.

You would probably do well to read over the handbook, and certain addenda before proceeding.
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lazykoala
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PostPosted: Fri Jan 24, 2014 1:01 pm    Post subject: Reply with quote

I got the issue with broadcom too:

NetGear, Inc. WNA3100(v1) Wireless-N 300 [Broadcom BCM43231]
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DONAHUE
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PostPosted: Fri Jan 24, 2014 6:58 pm    Post subject: Reply with quote

@lazykoala:
bad news, linuxwireless.org reports your 43231 chip is unsupported at
http://wireless.kernel.org/en/users/Drivers/brcm80211?highlight=%28BCM43231%29
My NetGear, Inc. WNA3100(v1) Wireless-N 300 [Broadcom BCM43231] did not even work well with windows 7 so it is completely retired now.
_________________
Defund the FCC.
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pedestrianic
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PostPosted: Sun Jan 26, 2014 5:03 pm    Post subject: Reply with quote

in ubuntu, in their system settings dialog --> software & updates --> additional drivers it says
"Using Broadcom 802.11 Linux STA wireless driver source from bcmwl-kernel-source (proprietary)"

now in lsmod i am finding a module named "wl" connected to cfg80211

further, dmesg reports "eth1: Broadcom BCM4365 ... "
while lspci has "Network controller: Broadcom Corporation BCM43142 ... "

now, i have gentoo on my harddisk running fine. i emerged linux-firmware and saw that the
/lib/firmware/brcm files are the same as ubuntu's, so that seems fine.

but for drivers in gentoo i seem to have tried both the b43 and the fullMac driver with no catch. i also
turned on the bcma switch from the broadcom specific switches with no catch.

thanks for your help
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pedestrianic
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PostPosted: Sun Jan 26, 2014 5:17 pm    Post subject: Reply with quote

ooo check this out: in ubuntu, ls -o /usr/src

Code:

drwxr-xr-x  5 root 140 Jan 26 09:43 bcmwl-6.30.223.141+bdcom
drwxr-xr-x 24 root 450 Oct 16 19:01 linux-headers-3.11.0-12
drwxr-xr-x  7 root 494 Oct 16 19:01 linux-headers-3.11.0-12-generic


that bcmwl must be my driver. any tips on the best way to incorporate that to my gentoo?
thanks again
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pedestrianic
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PostPosted: Sun Jan 26, 2014 10:39 pm    Post subject: Reply with quote

well searching helps. i had to emerge broadcom-sta making the wl driver.

thanks all. solved!
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sparx
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PostPosted: Thu Apr 10, 2014 9:04 am    Post subject: Reply with quote

Hi,

I have Dell Vostro with BCM43142 and faced the same problem with wireless working.

lspci -k shows
Code:
08:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
        Subsystem: Dell Wireless 1704 802.11n + BT 4.0
        Kernel driver in use: bcma-pci-bridge
        Kernel modules: bcma, wl


And can't get it working; ifconfig -a doesn't show it, iwconifg neither, /etc/init.d/net.wlan0 shows:

Code:
 * Caching service dependencies ...                                                                                     [ ok ]
 * Bringing up interface wlan0
 *   ERROR: interface wlan0 does not exist
 *   Ensure that you have loaded the correct kernel module for your hardware
 * ERROR: net.wlan0 failed to start


Installed broadcom-sta and tried to make it working by googling the solution but i think my noobness to Gentoo is the main issue :)

My kernel modules:
Code:
http://pastebin.com/e864n4t2
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