Re: 2.6.18-git9 wireless fixes break ipw2200 association to AP with WPA

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On 9/29/06, Jean Tourrilhes <[email protected]> wrote:
On Fri, Sep 29, 2006 at 10:40:29PM +0200, Alessandro Suardi wrote:
> On 9/29/06, John W. Linville <[email protected]> wrote:
> >On Fri, Sep 29, 2006 at 09:25:53PM +0200, Alessandro Suardi wrote:
> >> Dell Latitude D610, FC5-latest, ipw2200 configured to associate
> >> with a D-Link DSL-G604T (combo of router/ADSL modem/802.11g AP).
> >>
> >> 2.6.18-git8 (plus semaphore.h) is ok
> >> -git9, -git10, -git11 fail to associate
> >> -git11 with reverted wireless changes is ok
> >>
> >> Attaching diff of what I reverted in -git11 to make it work again.
> >>
> >> wpa_supplicant log of failing session available upon request.
> >
> >It looks like you reverted the WE-21 stuff.  Is your wireless-tools
> >package up to date?
>
> Well, that's the latest I get under FC5:
>
> [asuardi@sandman ~]$ rpm -q wireless-tools
> wireless-tools-28-0.pre13.5.1

        That's too old, the cutoff is 27-pre15.

Are you sure ? For how I read it, 28-0.pre13.5.1 is more recent
than 27-pre15, not older.

> but indeed (-git11 minus the reverts) iwconfig says
>
> [asuardi@sandman ~]$ iwconfig eth1
> Warning: Driver for device eth1 has been compiled with version 21
> of Wireless Extension, while this program supports up to version 19.
> Some things may be broken...

        That's exactly the point of this warning (some distro like to
kill it), I think it spells pretty clearly what's wrong. Don't say I
did not warn you...

Oh, but I think I've seen these warnings forever in the last years ;)

> If you have suggestions about either upgrading wireless-tools
> from a non-FC5 repository or narrowing down the reverts, I'm
> up for giving them a go :)

        If you run a custom kernel, I think you won't see any problems
running a custom version of Wireless Tools. They are available on my
web site, pretty easy to install, and have minimal
implications. Usually distro do no customisation of my tools.

Indeed - it's not a problem to me :)

However, I downloaded and built the wireless_tools.29.pre10.tar.gz
sources from your pages and the problem is still there - minus the
iwconfig warning... more precisely,

-git8 works
-git9 fails
-git11 fails
-git11 minus the reverts works, and says

[asuardi@sandman ~]$ iwconfig -v
iwconfig  Wireless-Tools version 29
         Compatible with Wireless Extension v11 to v21.

Kernel    Currently compiled with Wireless Extension v21.

eth1      Recommend Wireless Extension v18 or later,
         Currently compiled with Wireless Extension v21.

[asuardi@sandman ~]$ ldd /sbin/iwconfig
       linux-gate.so.1 =>  (0xb7f87000)
       libiw.so.29 => /lib/libiw.so.29 (0xb7f72000)
       libm.so.6 => /lib/libm.so.6 (0x46b0d000)
       libc.so.6 => /lib/libc.so.6 (0x469d8000)
       /lib/ld-linux.so.2 (0x469bb000)

So I guess there's an actual bug that doesn't depend on the
wireless-tools. Or maybe it's wpa_supplicant that has to be
upgraded ?

[asuardi@sandman ~]$ rpm -q wpa_supplicant
wpa_supplicant-0.4.8-10.fc5

        On the other hand, FC6, which is in beta, contains already the
proper version of the tools. I have been monitoring the various distro
in the last few months before sending those WE-21 patches, and all
major distro have WT-28 in the pipeline.

Even if so, wireless-tools would be the only package I have to
build out of the FC5 distribution to keep up with the latest -git
snapshot of the Torvalds kernel... I'm not especially troubled
with this anyway. Perhaps you could push the Fedora folks to
be a bit more up-to-date with wireless-tools in their current
main version ?

        Actually, you might be able to install the wireless-tools RPM
of FC6 of FC-dev onto your FC5.

Still listening on how to further research the issue... many thanks
in the meantime, ciao,

--alessandro

"Well a man has two reasons for things that he does
 the first one is pride and the second one is love
 all understandings must come by this way"

    (Husker Du, 'She Floated Away')
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