linux-kernel - Re: Regression in 2.6.27-git from commit 43ac2ca3840f64

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Message-ID: <48FE913D.9060205@lwfinger.net>
Date:	Tue, 21 Oct 2008 19:34:37 -0700
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Johannes Berg <johannes@...solutions.net>
CC:	Jouni Malinen <jouni.malinen@...eros.com>,
	wireless <linux-wireless@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	John Linville <linville@...driver.com>
Subject: Re: Regression in 2.6.27-git from commit 43ac2ca3840f64

Johannes Berg wrote:
> On Tue, 2008-10-21 at 09:01 -0700, Larry Finger wrote:
>> On my x86_64 system, the mainline 2.6.27-git kernel (v2.6.27-6030-g6da0b38)
>> shows the following anomaly with the 'iwlist scan' command:
>>
>>           Cell 03 - Address: 00:14:BF:85:49:FA
>>                     ESSID:"lwfdjf"
>>                     Mode:Master
>>                     Channel:1
>>                     Frequency:2.412 GHz (Channel 1)
>>                     Quality=66/100  Signal level:-62 dBm  Noise level=-68 dBm
>>                     Encryption key:on
>>                     IE: Unknown: 00066C7766646A66
>>                     IE: Unknown: 010882848B962430486C
>>                     IE: Unknown: 030101
>>                     IE: Unknown: 2A0104
>>                     IE: Unknown: 2F0104
>>                     IE: Unknown: 32040C121860
>>                     IE: Unknown: DD09001018020014000000
>>                     IE: WPA Version 1
>>                         Group Cipher : TKIP
>>                         Pairwise Ciphers (1) : TKIP
>>                         Authentication Suites (1) : PSK
>>                     Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
>>                               24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
>>                               12 Mb/s; 48 Mb/s
>>                     Extra:tsf=0000014488aeb18b
>>                     Extra: Last beacon: 448ms ago
>>
>> This problem was bisected to commit 43ac2ca3840f64f699a239535c590fa7ebaaac27,
>> entitled "mac80211: Handle scan result IEs in one block". The same bug is
>> present in the wireless-testing tree.
> 
> I'm probably too tired, what exactly is the problem?

The unknown IE's don't show up before this commit.

Larry
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