Re: Regression in 2.6.27-git from commit 43ac2ca3840f64

From: Jean Tourrilhes
Date: Wed Oct 22 2008 - 14:00:58 EST

On Wed, Oct 22, 2008 at 07:46:27PM +0200, Johannes Berg wrote:
> On Wed, 2008-10-22 at 10:37 -0700, Jean Tourrilhes wrote:
> > If you want me to understand what it's about, you may want to
> > give me a bit more context.
> Sorry. Basically, Larry is saying that due to a kernel change, iwlist
> will print out things like
> IE: Unknown: 0017465249545A21426F7820466F6E20574C414E2037313133
> IE: Unknown: 010482848B96
> IE: Unknown: 030106
> IE: Unknown: 2A0106
> IE: IEEE 802.11i/WPA2 Version 1
> Group Cipher : TKIP
> Pairwise Ciphers (1) : CCMP
> Authentication Suites (1) : PSK
> IE: Unknown: 32080C1218243048606C
> IE: WPA Version 1
> Group Cipher : TKIP
> Pairwise Ciphers (1) : TKIP
> Authentication Suites (1) : PSK
> IE: Unknown: DD0A0800280101000200FF0F
> IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
> where all the IE: Unknown lines are unexpected.

Unexpected, but not broken. That's good.

> > Alternatively, just send me a patch for Wireless Tools, and
> > I'll put it in the next release. Wireless Tools is still maintained
> > and I still do releases, even if I don't put much cycles into it.
> The problem is that we don't quite know what to do about them :)

We are not supposed to "do" anything, but to show the
underlying data in a user friendly way. I can't believe that we could
not parse this data properly, we manage to parse other IEs
correctly. If you are debugging a problem with wpa_supplicant, or a
Access Point issue, what would *you* want to see there.

> johannes

Have fun...


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