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Author Topic: Standard Plug Wifi Install  (Read 3484 times)
byteman
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« on: July 02, 2012, 08:04:43 AM »

I have successfully updated my standard plug to the latest 3.4.4 kernel.  I did then need to update my sources.list to:

Code:
deb http://old-releases.ubuntu.com/ubuntu/ jaunty main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ jaunty-updates main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ jaunty-security main restricted universe multiverse
...in order to install or update anything.

In trying to install an Edimax EW-7811Un usb wifi adapter, I get the following dmesg:

Code:
usb 1-1: new high-speed USB device number 2 using orion-ehci
udevd (693): /proc/693/oom_adj is deprecated, please use /proc/693/oom_score_adj instead.
udev: starting version 141
ADDRCONF(NETDEV_UP): eth0: link is not ready
cfg80211: Calling CRDA to update world regulatory domain
rtl8192cu: Chip version 0x10
rtl8192cu: MAC address: 80:1f:02:5c:43:18
rtl8192cu: Board Type 0
rtlwifi: rx_max_size 15360, rx_urb_num 8, in_ep 1
rtl8192cu: Loading firmware rtlwifi/rtl8192cufw.bin
usbcore: registered new interface driver rtl8192cu
rtlwifi: Firmware rtlwifi/rtl8192cufw.bin not available
mv643xx_eth_port mv643xx_eth_port.0: eth0: link up, 100 Mb/s, full duplex, flow control disabled
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-devel@redhat.com

So wlan0 is nowhere - don't know where to go from here?
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birdman
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« Reply #1 on: July 02, 2012, 05:56:01 PM »

So wlan0 is nowhere - don't know where to go from here?
You need to install the relevant firmware file.  Which (judging by what I have on my mandriva2011 system) will be:
   /lib/firmware/rtlwifi/rtl8192cufw.bin
Now, as to where you can get the firmware files - it's in the firmware-realtek package, so:
   apt-get install firmware-realtek
should get it.
If not, the actual deb file is at:
 ftp://ftp.uk.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-realtek_0.36_all.deb
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byteman
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« Reply #2 on: July 03, 2012, 08:14:07 AM »

First, thanks very much birdman for your reply and all of the work that you do on this forum.

Second, I got impatient (sorry) and installed Debian on a sd card thinking that might solve my problem.  Still no wlan of any variety.  Here's what I get:


Code:
[46849.871389] usb 1-1: new high speed USB device using orion-ehci and address 4
[46850.023184] usb 1-1: New USB device found, idVendor=7392, idProduct=7811
[46850.029918] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[46850.037104] usb 1-1: Product: 802.11n WLAN Adapter
[46850.041934] usb 1-1: Manufacturer: Realtek
[46850.046049] usb 1-1: SerialNumber: 00e04c000001
[46850.053289] usb 1-1: configuration #1 chosen from 1 choice

Also:

Code:
root@sheeva-dos:/home/geoff# lsusb
Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

I was able to install wireless-tools and firmware-realtek, but still no wlan of any flavor.

Code:
root@sheeva-dos:/# ls /lib/firmware/rtlwifi* -l
total 124
-rw-r--r-- 1 root root 122328 Sep 18  2011 rtl8712u.bin


I've tested the usb dongle on windows (and a PC-Linux machine) and know that it works. 

Not sure what to try next?
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birdman
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« Reply #3 on: July 03, 2012, 05:28:29 PM »

Is that the only file in /lib/firmware/rtlwifi?  There should be 4 rtl8192* files as well (and it should also have put RTL8192SU, RTL8192E and rtl_nic directories under /lib/firmware too).

However, the relevant thing is whether you end up with a wlan0 device.  I presume that ifconfig isn't showing anything (and that is what you mean when you say "but still no wlan of any flavor")?

What kernel are you using?  I have a dual-band Buffallo Wireless-N Nfiniti running on mine, and that needed a 3.x kernel to get it going (so I run the cbxbiker61 kernels).  That also needed a firmware file (rt2870.bin, but I had to get the one from the kernel git download last October to get that running).
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