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Old 06-11-2011, 12:05 PM   #1
marco18
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Why can't Compat-wireless and wl driver coexist?


Hi everyone! I've recently bought a nice TP-Link USB wireless adapter (TL-WN7200ND) to use in my Dell Studio 1555. This notebook has a Broadcom wireless adapter onboard (BCM43224) which has been working correctly ever since.

The problem is that, when I install the compat-wireless driver package, the onboard wireless adapter stops working and the kernel doesn't let me load the "wl" module that supports it. The message it returns is the following:

Code:
FATAL: Error inserting wl (/modules/2.6.38-020638-generic/kernel/drivers/net/wireless/wl.ko): Invalid argument
So my question is, why is it that they collide if they don't support the same chipset? And, How could I do to solve this problem?

Thanks to everyone in advancee!
 
Old 06-17-2011, 06:27 AM   #2
Linux.tar.gz
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Dunno those modules, but they are probably mutually incompatible because they are not "just" drivers. They may embed some stack.
 
Old 06-18-2011, 12:32 PM   #3
marco18
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Thanks for your response. But, is there any solution to this?
 
Old 06-20-2011, 11:27 AM   #4
Linux.tar.gz
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Well, at first glance, no.
But i'm really not sure as i never tried this.

Hope someone has a better answer.
 
Old 06-21-2011, 09:51 AM   #5
marco18
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I have recently tried again and now I happily have both network cards working!!

Reading a little more about compat-wireless and its capabilities, I found out that the source code provides you with a script that lets you select the specific driver you need. As I knew which chipset I was working with, the script automatically generated a new makefile with the driver family I specified.
After that, I uninstalled bluetooth drivers that the package installed by itself, and finally recompiled the wl driver module for the integrated card. Fortunately, after all these steps, I have both network cards and bluetooth working perfectly in the 2.6.38 kernel.

Thanks for your help! I'm marking this thread as solved
 
Old 06-23-2011, 03:31 AM   #6
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Congratulations ^^.

And thanks for sharing the solution.
 
  


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