I just installed Ubuntu 12.04 32 bit on an old laptop and I am getting errors - Black screen with many lines of text. Pertinent one appears to be Modprobe Tainted with a lot of debugging info - registers, stack, and call trace. I would post it but I am not sure where it is located and how to extract it.

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I know this is a few months old, I wanted to post a response since I found it looking up my own problem with a Gateway MX 6440.

I received this error due to a Broadcom Wireless NIC in the system. I ended up physically removing the card from the laptop (laptop dosn't have the option to disable it via a hardware switch/button or the BIOS).

I was able to install Xubuntu 13.04 i386 without an issue, and then installed the b43-fwcutter package and was able to plug in and use the Broadcom wireless NIC.

Hope this helps someone!

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I attempted to install Xubuntu 13.04 on an HP Pavilion zx5040us latop, and I too got the "modprobe tainted" error and resulting stack dump. I ran lspci -vvnn | grep 14e4 and sure enough, the system has a Broadcom wireless LAN adapter.

Lots of laptops out there use Broadcom wireless LAN adapters. I've run across several of them.

I found this page to be very helpful: http://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

And this one: http://wireless.kernel.org/en/users/Drivers/b43

Installing the b43 driver before installing xubuntu didn't work. I'm going to have to find a page that shows me how to disassemble the laptop and remove the wireless adapter.

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