[rt2x00-users] Indirect register access failed

Helmut Schaa helmut.schaa at googlemail.com
Sun Jun 20 11:36:03 UTC 2010


Am Sonntag 20 Juni 2010 schrieb Antonio Quartulli:
> On Sun, Jun 20, 2010 at 12:54:27PM +0200, Helmut Schaa wrote:
> > Am Freitag 18 Juni 2010 schrieb Antonio Quartulli:
> > > On Fri, Jun 18, 2010 at 10:29:12PM +0200, Helmut Schaa wrote:
> > > > Am Freitag 18 Juni 2010 schrieb Antonio Quartulli:
> > > > > Hi Helmut, hi all, sorry for the large delay..
> > > > 
> > > > No Problem ;)
> > > > 
> > > > > I tried a few minutes ago the last wireless-testing (.35-rc3-wl) kernel 
> > > > > and the rt2800pci was able to come up even without your patch, but at 
> > > > > this point it was not able to associate to any AP. Any request got time out..
> > > > 
> > > > Ok, that's good. What's the output of dmesg during association?
> > > > 
> > > 
> > > The classic time out error:
> > > 
> > > Jun 18 21:54:57 eagle3 kernel: [   96.206662] phy0: device no longeridle - scanning
> > > Jun 18 21:54:58 eagle3 kernel: [   97.161141] wlan0: direct probe to 00:22:3f:03:81:dd (try 1)
> > > Jun 18 21:54:58 eagle3 kernel: [   97.361146] wlan0: direct probe to 00:22:3f:03:81:dd (try 2)
> > > Jun 18 21:54:58 eagle3 kernel: [   97.561100] wlan0: direct probe to 00:22:3f:03:81:dd (try 3)
> > > Jun 18 21:54:59 eagle3 kernel: [   97.761324] wlan0: direct probe to 00:22:3f:03:81:dd timed out
> > > Jun 18 21:54:59 eagle3 kernel: [   97.766249] phy0: device now idle
> > 
> > Ok, might be something in mac80211 as well. Or maybe even with your AP ;)
> > 
> > If this 100% reproducible? Of does it work sometimes?
> 100% reproducible, I also tried to change AP and the result was the
> same.
> 
> Then i retried with my working driver version on 2.6.33 and everything
> started working again.

Hmpf, ok.

First possibility: the probe requests are not sent out at all
Second possibility: the probe requests are sent out but not received by the AP

One way to find that out would be to sniff the wireless traffic with a second
wireless card and check if the rt2800 card sends out probe requests and if
the AP answers them. Do you think you can do that?

Helmut



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