2.4GHz working, but 5GHz not working -- strange dmesg error

[Jamon Camisso]

On 12/12/13 04:10 PM, William Park wrote:
> Hi,
> 
> I want to ask TLUG before asking kernel list.  I have Linksys WMP600N
> dual-band PCI adapter (rt2800pci) which used to work, but now 5GHz is
> not working.  Router is ok, since my laptop can connect 5GHz.
> 
> I tried 3.10 and 3.12 kernels (that I compiled myself) and other
> distros, and they are all having the same problem.  When attempt is made
> to connect 5GHz, I get:
> 
> 	CPU: 0 PID: 2126 Comm: wpa_supplicant Tainted: P           O 3.12.3 #1
> 	Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1605 10/25/2012
<snip
> Is this a sign that the card dying?

Try using the card with a liveusb/cd or boot a kernel that you know
worked in the past with it.

Otherwise, give ndiswrapper a shot just to see if there's an issue with
the firmware it's loading or the Linux driver. Just as a last test
before you are relegated to 2.4GHz.

Cheers, Jamon
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