Mid-2012 Macbook w/ fresh Ubuntu 18.04 LTS Installation - no WiFi

[nofrills2]

Hi Chilli555

Thanks for the reply.

The output is:

phill@phill-MacBookPro:~$ dmesg | grep b43
[   10.618890] b43-phy0: Broadcom 4331 WLAN found (core revision 29)
[   10.619300] b43-phy0: Found PHY: Analog 9, Type 7 (HT), Revision 1
[   10.619311] b43-phy0: Found Radio: Manuf 0x17F, ID 0x2059, Revision 0, Version 1
[   10.619312] b43-phy0 warning: 5 GHz band is unsupported on this PHY
[   10.619783] b43 bcma0:1: Direct firmware load for b43/ucode29_mimo.fw failed with error -2
[   10.619793] b43 bcma0:1: Direct firmware load for b43/ucode29_mimo.fw failed with error -2
[   10.619804] b43 bcma0:1: Direct firmware load for b43-open/ucode29_mimo.fw failed with error -2
[   10.619811] b43 bcma0:1: Direct firmware load for b43-open/ucode29_mimo.fw failed with error -2
[   10.619812] b43-phy0 ERROR: Firmware file "b43/ucode29_mimo.fw" not found
[   10.619815] b43-phy0 ERROR: Firmware file "b43-open/ucode29_mimo.fw" not found
[   10.619817] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/...devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website.

Cheers

[chili555]

Please open a terminal and do:

sudo -i
cd /lib/firmware/b43
wget https://github.com/LibreELEC/wlan-firmware/raw/master/firmware/b43/ucode29_mimo.fw
exit

Reboot.

[kevin160]

As I mentioned in the other thread, the b43 driver won't let your 4331 chip do 5GHz. If you install the bcmwl driver via

sudo apt install bcmwl-kernel-source

and reboot, the b43 driver will automatically be blacklisted, and you should have access to 5GHz.

Unfortunately, I just tried that on my 2012 mini, and the install crashed. I had to reboot and try again. Hopefully that won't happen to you. Works fine for me under 18.04 after the second install and second reboot.

[nofrills2]

Hi Kevin160,

Success! Installing the bcmwl-kernel-source worked! Thanks for your help!
Technically, what was causing the problem? I just want to gain a better understanding of how Ubuntu operates with the hardware.

Chilli555 - I really appreciate the help and effort. I can't wait to gain a more advanced understanding of Ubuntu and Linux in general so that I too can assist people where needed.

All the best, Phill.

[planetphoebe]

Hi Dr. Chilli I have been dealing with an Ubuntu 'install' Wifi issue that revolves around firmware, b43 & my Broadcom 43123 not showing up when I rfkill list.

I understand this may not be the right place to post about my issue, but YOU keep popping up everywhere I go on ubuntuforums in regards to the issues, so i am getting in where I proverbially fit in.

This is my issue: I f'd up my Ubuntu 16.04 so I backed everything and reinstalled from the thumb I keep ready. First thing I do is run Updater, cause I know it comes in barebones, but it has a bug. Maybe specific to my hardware interfacing with the extension, but still it flags it, makes me acknowledge/report then finishes the update. After which I reboot.

And when I come back my issue has begun.

I already tried this:

sudo apt-get purge bcmwl-kernel-source

After placing .deb files in “Home”:

sudo dpkg -i b43-fwcutter_019-2_amd64.deb
tar xfvj broadcom-wl-5.100.138.tar.bz2
sudo b43-fwcutter -w /lib/firmware broadcom-wl-5.100.138/linux/wl_apsta.o

And that doesn't do it.

Here's some more output from terminal from when I get to that stage in the process (Have done this 7 times now at least. I'm not very savvy in terminal. I have only used Ubuntu 4 years and am still; n00b AF. I don't code, I use Libre & GIMP and that's about it.)

dmesg | grep b43 – NO RESULT

irmware/b43

ls /lib/firmware/b43
::
phoebe@afx34:~$ sudo ls /lib/firmware/b43
a0g0bsinitvals5.fw lcn400initvals33.fw sslpn1bsinitvals20.fw
a0g0bsinitvals9.fw lp0bsinitvals13.fw sslpn1bsinitvals27.fw
a0g0initvals5.fw
lp0bsinitvals14.fw sslpn1initvals20.fw
a0g0initvals9.fw
lp0bsinitvals15.fw sslpn1initvals27.fw
a0g1bsinitvals13.fw lp0bsinitvals16.fw sslpn2bsinitvals19.fw
a0g1bsinitvals5.fw lp0initvals13.fw
sslpn2initvals19.fw
a0g1bsinitvals9.fw lp0initvals14.fw
sslpn3bsinitvals21.fw
a0g1initvals13.fw
lp0initvals15.fw
sslpn3initvals21.fw
a0g1initvals5.fw
lp0initvals16.fw
sslpn4bsinitvals22.fw
a0g1initvals9.fw
lp1bsinitvals20.fw sslpn4initvals22.fw
b0g0bsinitvals13.fw lp1bsinitvals22.fw ucode11.fw
b0g0bsinitvals5.fw lp1initvals20.fw
ucode13.fw
b0g0bsinitvals9.fw lp1initvals22.fw
ucode14.fw
b0g0initvals13.fw
lp2bsinitvals19.fw ucode15.fw
b0g0initvals5.fw
lp2initvals19.fw
ucode16_lp.fw
b0g0initvals9.fw
n0absinitvals11.fw ucode16_mimo.fw
ht0bsinitvals26.fw n0bsinitvals11.fw
ucode16_sslpn.fw
ht0bsinitvals29.fw n0bsinitvals16.fw
ucode16_sslpn_nobt.fw
ht0initvals26.fw
n0bsinitvals17.fw
ucode17_mimo.fw
ht0initvals29.fw
n0bsinitvals22.fw
ucode19_sslpn.fw
lcn0bsinitvals24.fw n0bsinitvals24.fw
ucode19_sslpn_nobt.fw
lcn0bsinitvals25.fw n0bsinitvals25.fw
ucode20_sslpn.fw
lcn0bsinitvals26.fw n0initvals11.fw
ucode20_sslpn_nobt.fw
lcn0initvals24.fw
n0initvals16.fw
ucode21_sslpn.fw
lcn0initvals25.fw
n0initvals17.fw
ucode21_sslpn_nobt.fw
lcn0initvals26.fw
n0initvals22.fw
ucode22_mimo.fw
lcn1bsinitvals24.fw n0initvals24.fw
ucode22_sslpn.fw
lcn1bsinitvals25.fw n0initvals25.fw
ucode24_lcn.fw
lcn1bsinitvals26.fw n16bsinitvals30.fw ucode24_mimo.fw
lcn1initvals24.fw
n16initvals30.fw
ucode25_lcn.fw
lcn1initvals25.fw
n18bsinitvals32.fw ucode25_mimo.fw
lcn1initvals26.fw
n18initvals32.fw
ucode26_mimo.fw
lcn2bsinitvals24.fw n1bsinitvals20.fw
ucode27_sslpn.fw
lcn2bsinitvals25.fw n1initvals20.fw
ucode29_mimo.fw
lcn2bsinitvals26.fw n2bsinitvals19.fw
ucode30_mimo.fwlcn2initvals24.fw
n2initvals19.fw
ucode32_mimo.fw
lcn2initvals25.fw
pcm5.fw
ucode33_lcn40.fw
lcn2initvals26.fw
sslpn0bsinitvals16.fw ucode5.fw
lcn400bsinitvals33.fw sslpn0initvals16.fw ucode9.fw

sudo apt-get install firmware-b43-installer b43-fwcutter
??? - $ sudo apt-get install firmware-b43-installer b43-fwcutter
Reading package lists... Done
Building dependency tree
Reading state information... Done
b43-fwcutter is already the newest version (1:019-2).
firmware-b43-installer is already the newest version (1:019-2).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Forget where I encountered this, but seemed pertinent:

"The following packages were automatically installed and are no longer required:
libllvm4.0 linux-signed-image-generic-hwe-16.04"

After “sudo apt-get purge bcmwl-kernel-source” -
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
After this operation, 8,064 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 211297 files and directories currently installed.)
Removing bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu1~1.2) ...
Removing all DKMS Modules
Done.
update-initramfs: deferring update (trigger activated)
Purging configuration files for bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu1~1.2) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.122ubuntu8.11) ...

After “ sudo b43-fwcutter -w /lib/firmware broadcom-wl-5.100.138/linux/wl_apsta.o” -
phoebe@afx34:~$ sudo b43-fwcutter -w /lib/firmware broadcom-wl-5.100.138/linux/wl_apsta.o
This file is recognised as:
filename : wl_apsta.o
version : 666.2
MD5
: e1b05e268bcdbfef3560c28fc161f30e
Extracting b43/lp0initvals14.fw
Extracting b43/lcn0bsinitvals25.fw
Extracting b43/n0bsinitvals25.fw
Extracting b43/n0bsinitvals17.fw
Extracting b43/ucode17_mimo.fw
Extracting b43/ucode16_lp.fw
Extracting b43/sslpn1initvals27.fw
Extracting b43/lp2bsinitvals19.fw
Extracting b43/sslpn3bsinitvals21.fw
Extracting b43/ucode16_sslpn.fw
ucode time: 01:15:07
Extracting b43/ucode25_lcn.fw
Extracting b43/ucode21_sslpn.fw
Extracting b43/lp0bsinitvals14.fw
Extracting b43/b0g0initvals9.fw
Extracting b43/ucode20_sslpn.fw
Extracting b43/a0g1bsinitvals9.fw
Extracting b43/lp1initvals20.fw
Extracting b43/b0g0bsinitvals13.fw
Extracting b43/lp2initvals19.fw
Extracting b43/n2bsinitvals19.fw
Extracting b43/sslpn4bsinitvals22.fw
Extracting b43/ucode16_sslpn_nobt.fw
ucode date: 2011-02-23
Extracting b43/n1bsinitvals20.fw
Extracting b43/n1initvals20.fw
Extracting b43/b0g0bsinitvals5.fw
Extracting b43/ucode22_sslpn.fw
Extracting b43/b0g0initvals13.fw
Extracting b43/ht0initvals26.fw
Extracting b43/ucode33_lcn40.fw
Extracting b43/sslpn1bsinitvals20.fw
Extracting b43/lcn400bsinitvals33.fw
Extracting b43/ucode14.fw
Extracting b43/a0g0initvals5.fw
Extracting b43/lp1bsinitvals22.fw
Extracting b43/n16initvals30.fw
Extracting b43/lp0bsinitvals16.fw
Extracting b43/lcn1bsinitvals25.fw
Extracting b43/lcn400initvals33.fw
Extracting b43/n0bsinitvals24.fwExtracting b43/lcn2bsinitvals26.fw
Extracting b43/lcn1initvals26.fw
Extracting b43/n0bsinitvals22.fw
Extracting b43/n18initvals32.fw
Extracting b43/lcn2initvals26.fw
Extracting b43/a0g1bsinitvals5.fw
Extracting b43/n0bsinitvals11.fw
Extracting b43/lcn2initvals24.fw
Extracting b43/lcn0initvals26.fw
Extracting b43/n0absinitvals11.fw
Extracting b43/ucode21_sslpn_nobt.fw
ucode time: 01:15:07
Extracting b43/ucode26_mimo.fw
Extracting b43/n2initvals19.fw
Extracting b43/sslpn3initvals21.fw
Extracting b43/a0g1bsinitvals13.fw
Extracting b43/sslpn4initvals22.fw
Extracting b43/pcm5.fw
Extracting b43/ucode22_mimo.fw
Extracting b43/ucode9.fw
Extracting b43/lcn2initvals25.fw
Extracting b43/lp1initvals22.fw
Extracting b43/sslpn1bsinitvals27.fw
Extracting b43/lcn0initvals24.fw
Extracting b43/ucode32_mimo.fw
Extracting b43/a0g0bsinitvals9.fw
Extracting b43/n18bsinitvals32.fw
Extracting b43/n0initvals24.fw
Extracting b43/n0initvals25.fw
Extracting b43/a0g1initvals5.fw
Extracting b43/ucode24_lcn.fw
Extracting b43/n0initvals17.fw
Extracting b43/n0bsinitvals16.fw
Extracting b43/lp0initvals15.fw
Extracting b43/b0g0initvals5.fw
Extracting b43/ucode20_sslpn_nobt.fw
Extracting b43/lcn1initvals24.fw
Extracting b43/sslpn0initvals16.fw
Extracting b43/a0g1initvals13.fw
Extracting b43/lp1bsinitvals20.fw
Extracting b43/sslpn2initvals19.fw
Extracting b43/a0g1initvals9.fw
Extracting b43/lcn1bsinitvals24.fw
Extracting b43/ucode5.fw
Extracting b43/lcn2bsinitvals24.fw
Extracting b43/lp0bsinitvals13.fw
Extracting b43/n0initvals16.fw
Extracting b43/ucode19_sslpn_nobt.fw
Extracting b43/b0g0bsinitvals9.fwExtracting b43/ucode11.fw
Extracting b43/lp0initvals16.fw
Extracting b43/ucode16_mimo.fw
Extracting b43/lcn0bsinitvals26.fw
Extracting b43/ht0initvals29.fw
Extracting b43/lcn2bsinitvals25.fw
Extracting b43/a0g0initvals9.fw
Extracting b43/ucode29_mimo.fw
Extracting b43/lcn0bsinitvals24.fw
Extracting b43/ucode19_sslpn.fw
Extracting b43/lcn1initvals25.fw
Extracting b43/ucode30_mimo.fw
Extracting b43/n16bsinitvals30.fw
Extracting b43/ucode25_mimo.fw
Extracting b43/ucode24_mimo.fw
Extracting b43/ucode27_sslpn.fw
Extracting b43/lp0initvals13.fw
Extracting b43/a0g0bsinitvals5.fw
Extracting b43/ht0bsinitvals26.fw
Extracting b43/ucode13.fw
Extracting b43/sslpn2bsinitvals19.fw
Extracting b43/ucode15.fw
Extracting b43/lp0bsinitvals15.fw
Extracting b43/n0initvals11.fw
Extracting b43/lcn0initvals25.fw
Extracting b43/sslpn0bsinitvals16.fw
Extracting b43/sslpn1initvals20.fw
Extracting b43/lcn1bsinitvals26.fw
Extracting b43/n0initvals22.fw
Extracting b43/ht0bsinitvals29.fw
update-initramfs: Generating /boot/initrd.img-4.15.0-29-generic
W: Possible missing firmware /lib/firmware/i915/kbl_guc_ver9_14.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_ver8_7.bin for module i915


Sooo since I have no back up means of getting my HP Streambook online except when its wifi is working , this is a frustrating cycle of going on Ubuntu sites, taking notes. Doing the update->Failing->reinstall whole OS-> more research-> 2 hour update->More failing. So any help you can give at this point is much appreciated!

[chili555]

I apologize for the delay in my reply.

Hi Dr. Chilli I have been dealing with an Ubuntu 'install' Wifi issue that revolves around firmware, b43 & my Broadcom 43123 not showing up when I rfkill list.

Please check here: https://ubuntuforums.org/showthread.php?t=2214110 As you can see, b43 and firmware are not correct for your device. You need bcmwl-kernel-source.

reinstalled from the thumb I keep ready.

If you still have the install USB, then you need to find bcmwl-kernel-source and dkms on it and install them. Here is the process: https://askubuntu.com/questions/5536.../553619#553619

Post back if you get stuck.