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SubjectRe: [2.6.26-rc4] Problems with rt2x00 USB interface on powerpc
Hi again, John.

I'm including Ivo van Doorn in this e-mail. I hope that the
problem gets solved soon.

On Jun 07 2008, Rogério Brito wrote:
> Hi, again, John.
>
> On Jun 07 2008, John W. Linville wrote:
> > On Fri, Jun 06, 2008 at 09:52:27PM -0300, Rog?rio Brito wrote:
> > > I have taken dmesg "snapshots" of my system together with many other
> > > information regarding how it is configured and I put it at my
> > > homepage, at <http://www.ime.usp.br/debug/>.
> >
> > 404
>
> I think that you should have received a later reply telling about the typo
> in the address above. It should have been:
> <http://www.ime.usp.br/~rbrito/debug/>.

This time I hope that I have not done anything incorrectly.

> > > >From what I am seeing, it looks like the bug mentioned in
> > > <http://bugzilla.kernel.org/show_bug.cgi?id=9388>, but I don't get the
> > > stack trace that is present there and I'm just trying to use WEP
> > > instead of WPA or anything fancier.
> >
> > Did you apply this patch?
> >
> > http://bugzilla.kernel.org/attachment.cgi?id=14384
>
> No, I did not. Is it still relevant with -rc4 or with -rc5? I still get the
> same problem with -rc5 (but I will have to test it a bit more with -rc5).

Unfortunately, this patch won't even apply with 2.6.26-rc5 as the code
seems to have changed a lot between that date and today. For instance,
there doesn't seem to exist a function called "rt2500usb_config_mac_addr"
in the rt2x00 directory (just did a grep on my unconnected iBook).

I hope that this helps Ivo to understand what the issue is:

> Just as a refresher:
>
> * I can set everything on the iBook with the wireless key plugged;
> * The wireless key *sees* the AP, even with encryption (that is, it grabs
> the MAC address of the AP, it (sometimes) shows me the signal strength,
> and if I issue "iwconfig wlan0 ap any", I see both the led of the
> wireless key blink and an increase of amount of data transmitted and
> received with "ifconfig wlan0");
> * With everything set this way, if I do "dhclient wlan0", it doesn't get a
> lease from the AP---actually, despite the fact that it is possible to see
> the other point, dhclient goes, after some attempts of getting a lease,
> to background, but no address is ever gotten;
> * Just to rule out possible problems with something sent to the address
> 255.255.255.255 (which is reported as being done by dhclient), I tried to
> configure the address by hand via ifconfig, but, for instance, I couldn't
> ping my AP (which I can from other computers with a rt61pci driver and a
> PCMCIA connection);
> * As I mentioned above, I have no problems with the rt61pci driver, but the
> USB one doesn't seem to work (unfortunately, the iBook does not have a
> PCMCIA slot). With a notebook with an on-board Intel wireless card, I
> *also* don't have any problems.
>
> Well, thanks, for the help so far. I hope that we can solve this issue
> quite soon, as I need this iBook for work.
>
> I am willing to help as much as I can and test anything (even something
> that might be "experimental"). I think that this is as good a tester that
> you can get, right? :-)

Again, I am willing to test any "intrusive" change as I still don't have
valuable data on that machine. BTW, I have firmware from Debian's
ralink-firmware package (which should be what ralink has released)
installed on this machine.

I don't know if the firmware is needed in my case or not, though (my USB
adaptor is a D-Link DWL-G122 H/W Ver. B1, F/W Ver.: 2.03---took that info
from the back of the stick).

Oh, I should mention that MacOS X is able to use the card without any
problems on this machine and with encryption. (I may have forgotten to say
that before). And, just to rule out things, I can test this USB adaptor on
a ia32 notebook running Ubuntu's Hardy Heron, but I don't know how much
patched their kernel is.


Thanks, Rogério Brito.

--
Rogério Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8
http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito
Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org
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