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TP-Link TL-WN725N not recognized
5th May, 2013, 12:37 AM
Post: #1
TP-Link TL-WN725N not recognized
Hi,

I bought a TP-Link TL-WN725N (listed on the supported hardware page in the wiki) for my RPi, but it is does not work. It is plugged into a powered usb hub (when I plugged it directly into the Pi, it restarted immediately, probably a power issue).

lsusb lists it as
Bus 001 Device 008: ID 0bda:8179 Realtek Semiconductor Corp.

after plugging it in, dmesg says
[ 1853.301279] usb 1-1.3.7: USB disconnect, device number 7
[ 1855.843529] usb 1-1.3.7: new high-speed USB device number 8 using dwc_otg
[ 1855.945063] usb 1-1.3.7: New USB device found, idVendor=0bda, idProduct=8179
[ 1855.945098] usb 1-1.3.7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1855.945115] usb 1-1.3.7: Product: 802.11n NIC
[ 1855.945131] usb 1-1.3.7: Manufacturer: Realtek
[ 1855.945145] usb 1-1.3.7: SerialNumber: 00E04C0001

No modules are loaded automatically. I tried "modprobe 8192cu", but the result of replugging the stick was the same according to dmesg. There is no wifi device listed by ifconfig, nor by xbian-config. I use the lastest xbian with kernel 3.6.11+.

Any suggestions?

Cheers,
Henning
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5th May, 2013, 04:18 AM
Post: #2
RE: TP-Link TL-WN725N not recognized
It seems, that TP-Link changed the Chip in their TL-WN725N device and that this revision is currently not compatible with the Raspberry Pi, see e.g. http://www.forum-raspberrypi.de/Thread-tl-wn725n-unter-raspian (in german) and http://forums.gentoo.org/viewtopic-t-954862-start-0.html for a similar problem. The Product ID (see dmesg) for my device is 8179 -- does anyone have a working TL-WN725N and can post his Product ID?

In the Gentoo Forum, someone posted a link to a driver that _might_ handle this revision: http://www.spinics.net/lists/linux-wireless/msg105579.html. Is it possible to use this on ARM with the Raspberry Pi?

Anyway, it could be a good idea to place a note in the list of recommended hardware, that the TP-Link stick does not seem to work in newer revision...

Cheers,
Henning
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5th May, 2013, 09:37 PM
Post: #3
RE: TP-Link TL-WN725N not recognized
It works perfectly fine for me. I have exactly the same adapter and it works with any Raspberry Pi distribution out of the box.
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5th May, 2013, 09:42 PM
Post: #4
Re: TP-Link TL-WN725N not recognized
than it might be an power issue.maybe your hub do not feed enough juice??

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5th May, 2013, 09:43 PM
Post: #5
RE: TP-Link TL-WN725N not recognized
Can you post the according output of dmesg? In particular, I'm interested in the Vendor and Product ID...
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19th May, 2013, 07:44 AM
Post: #6
RE: TP-Link TL-WN725N not recognized
I've got the same adapter a few days ago.

Did you try this
https://www.zhujunsan.net/index.php/2013/03/make-tp-link-tl-wn725n-v2-work-on-raspbian/ ?
Not sure if it applies to your/my versoin of the firmware.

Diego
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21st May, 2013, 05:15 AM
Post: #7
RE: TP-Link TL-WN725N not recognized
(5th May, 2013 09:43 PM)bergfruehling Wrote:  Can you post the according output of dmesg? In particular, I'm interested in the Vendor and Product ID...

I have exactly the same issue with my TP-Link TL-WN725N.

I also get:
dmesg -> usb 1-1: New USB device found, idVendor=0424, idProduct=9512
lsusb -> Bus 001 Device 004: ID 0bda:8179 Realtek Semiconductor Corp.

Did you finally solve it?
Anything to do with power supply?

I have no powered hub either, but with raspbian worked fine directly plugged to my raspberrypi

Cheers!
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23rd May, 2013, 06:50 AM
Post: #8
RE: TP-Link TL-WN725N not recognized
(21st May, 2013 05:15 AM)loilop Wrote:  
(5th May, 2013 09:43 PM)bergfruehling Wrote:  Can you post the according output of dmesg? In particular, I'm interested in the Vendor and Product ID...

I have exactly the same issue with my TP-Link TL-WN725N.

I also get:
dmesg -> usb 1-1: New USB device found, idVendor=0424, idProduct=9512
lsusb -> Bus 001 Device 004: ID 0bda:8179 Realtek Semiconductor Corp.

Did you finally solve it?
Anything to do with power supply?

I have no powered hub either, but with raspbian worked fine directly plugged to my raspberrypi

Cheers!

Same model, same problem. My TL-WN725N is v2. But my dmesg is

[ 2.708191] usb 1-1.3: new high-speed USB device number 4 using dwc_otg
[ 2.805340] usb 1-1.3: New USB device found, idVendor=0bda, idProduct=8179
[ 2.805369] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2.805384] usb 1-1.3: Product: 802.11n NIC
[ 2.805396] usb 1-1.3: Manufacturer: Realtek
[ 2.805408] usb 1-1.3: SerialNumber: 00E04C0001

and lusb
Bus 001 Device 004: ID 0bda:8179 Realtek Semiconductor Corp.
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2nd Jun, 2013, 05:59 AM
Post: #9
RE: TP-Link TL-WN725N not recognized
Does anyone could make this chipset work? Thanks

Tried this http://www.raspberrypi.org/phpBB3/viewtopic.php?f=26&t=29752&start=25 but seems to work in raspbian

May be this work, will try it soon... https://github.com/macliu010/pi_plus/tree/master/linux/drivers/net/wireless/rtl8188eu
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4th Jun, 2013, 12:39 PM
Post: #10
RE: TP-Link TL-WN725N not recognized
I am also wondering if a fix it out for this yet?
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6th Jun, 2013, 10:08 PM
Post: #11
RE: TP-Link TL-WN725N not recognized
im interested to get this working. none of my wifi dongle that i purchase works. dlink dwa-123 v2 and tplink wn725n.

thanks.
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1st Jul, 2013, 03:47 AM
Post: #12
Re: TP-Link TL-WN725N not recognized
Did anyone find a fix yet? I'm having the same problem
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15th Jul, 2013, 12:33 AM
Post: #13
RE: TP-Link TL-WN725N not recognized
I have been having this problem as well with Xbian Beta 1 running the 3.8.13+ kernel. It seems that this dongle works with openelec. As soon as I installed openelec latest it ran out of the box -___-
That being said they use an older kernel and it seems that no one has attempted to create a module for the later kernels yet.
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15th Jul, 2013, 01:16 PM
Post: #14
RE: TP-Link TL-WN725N not recognized
http://forum.xbian.org/showthread.php?tid=1114&highlight=TL-WN725N

if someone confirms the builded module works as well (not only builds), we can add it to the kernel package.

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16th Jul, 2013, 05:55 PM
Post: #15
RE: TP-Link TL-WN725N not recognized
(15th Jul, 2013 01:16 PM)mk01 Wrote:  http://forum.xbian.org/showthread.php?tid=1114&highlight=TL-WN725N

if someone confirms the builded module works as well (not only builds), we can add it to the kernel package.

I'd be glad to confirm it but not sure how...

Shall I unpack "mach.tar.gz" (http://forum.xbian.org/attachment.php?aid=206) and copy it to /usr/src/.../include
and then run:
CONFIG_RTL8188EU=m make -C /lib/modules/$(uname -r)/build M=`pwd`
?

Thanks a lot,
-
Eloi
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