How do I handle "Firmware file X not found" stopping bootup?

Posted by John Baber on Ask Ubuntu See other posts from Ask Ubuntu or by John Baber
Published on 2012-08-27T15:17:55Z Indexed on 2012/09/06 15:50 UTC
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12.04

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boot

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upgrade

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kernel

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freeze

I recently upgraded my desktop mac to Precise and now can't get past the Ubuntu 12.04 splash page. The splash freezes with

[   19.931097] b32-phy0 ERROR: Firmware file "b43/ucode16_mimo.fw" not found
[   19.9311126] b32-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.

written on it

This is when I choose 3.2.0-generic from the grub menu. If I choose to load up older kernels, I still get the same thing.

How can I make my computer finish booting again?

I'm able to ssh into the machine and poke around, but the actual screen freezes at the splash.

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