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Old 06-01-2011, 07:28 AM   #1
newb123
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Registered: May 2011
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WIFI HELP - b43-fwcutter reports: the input file is either wrong or not supported, bad md5sum.


Hi, Here's what's going on:

I'm trying to install gentoo from the minimal install cd.

I'm using a broadcom wireless device and the b43 driver.

I've done this several times on other distros with no problem.

I've tried 3 different broadcom packages all with no luck:

broadcom-wl-4.178.10.4.tar.bz2
broadcom-wl-4.150.10.5.tar.bz2
broadcom-wl-4.80.53.0.tar.bz2

broadcom-wl-4.178.10.4.tar.bz2 (the newest package) reports the following error:

Code:
gentoo linux # b43-fwcutter -w /lib/firmware/ wl_apsta.o
Sorry, the input file is either wrong or not supported by b43-fwcutter. This file has an unknown MD5sum
And when trying to use an older package like the broadcom-wl-4.150.10.5.tar.bz2 seems to install ok. However when I try to bring the wireless device up so I can use it I get this error:

Code:
b43-phy0 ERROR: Firmware file "b43/ucode15.fw" not found
b43-phy0 ERROR: Firmware file "b43-open/ucode15.fw" not found
b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website.
it copied ucode5.fw to the firmware directory along with many other files, but not this ucode15.fw that it's looking for.

Can anyone help? Thanks for reading!

I think I'm supposed to be using the newest broadcom package. But I can't get around the bad md5sum error. I've downloaded it multiple times it's not corrupt.

Last edited by newb123; 06-01-2011 at 07:34 AM. Reason: Clearer title
 
Old 06-01-2011, 03:43 PM   #2
business_kid
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Check yourself against http://www.linuxwireless.org/en/users/Drivers/b43

Post again if you're still stuck with
1. Your exact broadcom chip and usb id
2. Your exact version of b43-fwcutter (Different chips need different versions)
 
1 members found this post helpful.
Old 07-11-2011, 11:25 PM   #3
gabrielferreira
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Registered: Jul 2011
Location: Brazil
Distribution: Gentoo
Posts: 3

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net-wireless/b43-fwcutter-011

Hi,

I have a similar problem and I also need some help (maybe psychological). I understood that this (http://linuxwireless.org/en/users/Dr...st_of_firmware) is a kind of map, and that I should download the "Version of wl" equivalent to the "Firmware extractor" that I have installed.

Gentoo uses version 011 of b43-fwcutter:
Code:
# emerge --ask --verbose b43-fwcutter
(...)
[ebuild   R    ] net-wireless/b43-fwcutter-011
But b43-fwcutter-011 is not in that list. I just missed it! ;P And if I try to go ahead, and install the latest "version of wl", I get the MD5SUM error that newb123 (author of the thread) got.

Then I learned that Gentoo offers some newer packages with the use of unmask. So I added the following lines to /etc/portage/package.accept_keywords:

Code:
>=net-wireless/b43-firmware-4.174.64.19 ~x86
>=net-wireless/b43-fwcutter-013 ~x86
It works, but then Gentoo installs the firmware automatically.

Ok, I am a bit worried (newbie feeling, hehehe) about two things:

1) I haven't followed the instructions given by linuxwireless.org
2) I had to use gentoo's unmask, which is said to be error prone

What should I do? What are my options?

Kind regards,
Gabriel

Last edited by gabrielferreira; 07-11-2011 at 11:33 PM. Reason: missing detail (conexion with this thread)
 
Old 07-12-2011, 03:39 AM   #4
business_kid
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Registered: Jan 2006
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As I said in post #2
Quote:
Post again if you're still stuck with
1. Your exact broadcom chip and usb id
 
Old 07-12-2011, 08:01 AM   #5
gabrielferreira
LQ Newbie
 
Registered: Jul 2011
Location: Brazil
Distribution: Gentoo
Posts: 3

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Hi business_kid,

No, I am not stuck. My wifi interface is working fine (at least apparently). I just wonder if I have done the right thing.

I don't want to install b43-fwcutter-014 manually, because I would be afraid of spoiling the rest of the system.

I though that I could find the correct "version of wl" on the internet to suit gentoo's b43-fwcutter version (011).


Anyway, thanks for your reply!
And don't worry about my problem, it is not bothering me that much. Actually, I just want to learn how it works.

Cheers,
Gabriel
 
  


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