Re: Cannot use RT2870 Ralink Wifi USB stick on Ubuntu in Beagle Board
avi
I had similar issue!! with RT2870 based Linksys WiFi Dongle.
I did not workaround much, due to lack of experience and time ;)
Instead switched to RT73 based D-Link DWA110 .
It Worked great without any problem!! [Plug n Play]. Works in both Ad-
Hoc and Managed Mode.
Netgear WG111V3 also works in Managed Mode, but I could not bring it
up in Ad-Hoc Mode.
Btw, which version of Kernal are you using ? I had used 2.6.31.5-x5.3
I could help you with D-Link as I am working on it.
Experts could help you better with 2870 :)
Regards
Avinash
Robert Nelson
On Sun, Mar 14, 2010 at 4:37 PM, gianluca <gian...@gmail.com> wrote:
> Dear all,
>
> I have managed to get Ubuntu running on my BB by using the demo image
> as explained here:
>
> http://www.elinux.org/BeagleBoardUbuntu
>
> with the Karmic distro option.
>
> My RT2870 wifi stick is detected automatically in Ubuntu Karmic on my
> PC, but is not detected on my BB.
>
> I noted that in /lib/modules section, my PC has much more files and
> folders present than /lib/modules on Beagle Board. In fact, my PC has
> a file /lib/modules/2.6.31-14-generic/kernel/drivers/staging/rt2870/
> rt2870sta.ko, while BB does not, if this helps.
>
> Could someone help me out so I can get the Wifi stick to work on BB?
>
> Thanks and regards,
>
> Gianluca Valentino
What Kernel? (uname -a)
The RT2xxx devices usually have two drivers in the kernel. In staging
the Ralink gpl driver and the rt2x00 project...
http://rt2x00.serialmonkey.com/wiki/index.php/Main_Page
Some users have had better luck with this hardware by using the
network-manager gui vs iwconfig...
Regards,
--
Robert Nelson
http://www.rcn-ee.com/
Robert Nelson
On Mon, Mar 15, 2010 at 11:03 AM, gianluca <gian...@gmail.com> wrote:
> I am using the 2.6.32.7-x7.1 kernel.
>
> So there is no need to build the module from the source on Ralink's
> website? I found guides to do this on Internet (for a PC), however
> make (on the board) would fail since it cannot find the /lib/modules/
> 2.6.32.7-x7.1/build folder where linux headers should be located. I
> tried doing sudo make to make the module on my PC, however after
> transferring the .ko and .dat files to the board and doing insmod, I
> got "invalid module format". I think this is the case because you
> cannot insert modules which were compiled with kernel sources of one
> particular kernel into another kernel version.
I don't remember if 2.6.32.7-x7.1 had those modules external or internal...
But with 2.6.32.9-x9.1 they are here:
ls -lh /lib/modules/`uname -r`/kernel/drivers/net/wireless/rt2x00
total 180K
-rw-r--r-- 1 root root 28K 2010-02-25 10:17 rt2500usb.ko
-rw-r--r-- 1 root root 50K 2010-02-25 10:17 rt2800usb.ko
-rw-r--r-- 1 root root 38K 2010-02-25 10:17 rt2x00lib.ko
-rw-r--r-- 1 root root 17K 2010-02-25 10:17 rt2x00usb.ko
-rw-r--r-- 1 root root 36K 2010-02-25 10:17 rt73usb.ko
> When I do a search for .ko modules related to rt2870, I find nothing
> on the board. However I did find a file rt2870.bin in /lib/firmware.
Robert Nelson
> I did the following:
>
> sudo ./rootstock --fqdn beagleboard --login ubuntu --password temppwd
> --imagesize 2G --dist karmic \
> --serial ttyS2 --seed linux-firmware,wireless-tools \
> --kernel-image http://rcn-ee.net/deb/kernel/beagle/karmic/v2.6.32.9-x9.1/linux-image-2.6.32.9-x9.1_1.0karmic_armel.deb
>
> However the /lib/modules folder is empty. How can I get the 'uname -r'
> dir with the kernel, build, and so on, folders into it? Am I missing a
> seed?
Look again, it's there... "--kernel image" extracts a *.deb file
directly to /lib/modules/
tallakt
i did use a RT73 DLink device as well, lsusb gave me:
Bus 001 Device 042: ID 07d1:3c03 D-Link System DWL-G122 802.11g
Adapter ralink rt73
It did work really well out of the box (in ubuntu and angstrom) as
long as I turned off WPA encryption, but I am not sure wether this is
due to the hardware or other settings. Ad-Hoc worked as well.
BUT: whenever the system gets laoded, I end up with a driver crash.
This usually happens to me after ~30 minutes to a few hours. At this
stage I can unplug the device and replug or reboot the machine, but
this is not quite satisfactory. I have since ordered a few more
different WLAN devices to test since they are quite cheap.
If this is not a big concern (I am able to install packages and such)
it does work well.
Tallak
Robert Nelson
> I forgot to mention that I have disabled all passwords (PSK WPA etc)
> from the router.
>
> On Mar 16, 8:50 pm, gianluca <gianva...@gmail.com> wrote:
>> I booted with the 2.6.32.9-x9.1 kernel, and sure enough the rt2x00 and
>> rt2800usb drivers were there.
>>
>>
>> Doing iwlist scanning, I initially get results of the different access
>> points around. However, after a short period of time I get No scan
>> results.
Looks like it kinda works...
Note, Some users have had better luck keeping the connection going
thru network-manager then thru the iwconfig interface..
>> Have the drivers been installed correctly? Is there a way to bind a
>> driver to wlan0 so that it shows up in lshw?
>>
>> Why do I get "ADDRCONF(NETDEV_UP): wlan0: link is not ready" in dmesg,
>> and why does the wifi stick led switch off (in my pc, it remains on)?
Looks common:
http://www.google.com/search?hl=en&q=ADDRCONF%28NETDEV_UP%29%3A+wlan0%3A+link+is+not+ready
Andruk Tatum
Hi Avinash,
thanks for your advice! Could you tell me whether with the RT73 D-link
DWA110 you could do anything that you could with a wired network..
i.e. ping, wget any website or even use firefox in the GUI?
Thanks,
Gianluca
> I had similar issue!! withRT2870based Linksys WiFi Dongle.
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Robert Nelson
> I have a Rosewill RNX-N1 usb wifi dongle that uses the rt2870 chipset, and
> when I tried to use it on my laptop I got driver conflicts between the
> rt2x00usb and rt2870sta drivers. The card sort of works during the driver
> fighting, but the biggest clue to me was that every scanned wireless network
> in the NetworkManager applet's list had 100% signal strength, and I couldn't
> actually access the internet (or any wireless network). On my computer
> (running Ubuntu Karmic x86), when I blacklisted the rt2x00usb drivers with
> these two lines added in my /etc/modprobe.d/blacklist.conf file:
> blacklist rt2800usb
> blacklist rt2x00usb
> After a reboot the NetworkManager applet uses the card normally, the
> wireless network have different signal strengths, and I can access the
> internet with the device. The only side effect is there seems to be more
> messages in dmesg, but the card works perfectly AFAICT.
> So, Robert: would it be possible to build the rt2870sta driver, or would you
> post a guide as to how to do it? I think the source for the driver is
> available from Ralink's website here:
> http://www.ralinktech.com/support.php?s=2 [ click on
> "RT2870USB(RT2870/RT2770)" and agree to the GPLv2 license to download ]
> I will try to build the staging driver today, and if I'm successful I'll
> post a guide.
> Thanks.
Actually, one step a head of you, it's Kconfig was set correct (wasn't
built on arm) and I just enabled it with in the last couple days..
I've been fighting it too with my wifi adapters...
Use 2.6.32.11-x12
voodoo@beagle-256mb-0:~$ ls -lh
/lib/modules/2.6.32.11-x12/kernel/drivers/staging/rt2870/
total 548K
-rw-r--r-- 1 root root 544K 2010-04-02 18:20 rt2870sta.ko
You'll more then likely have to set "/etc/modprobe.d/blacklist.conf"
just like on the x86, since all the rt28xx usb drivers are built as
modules....