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Message-Id: <200510111045.j9BAjD3k072321@www.freebsd.org>
Date: Tue, 11 Oct 2005 10:45:13 GMT
From: Stephan van Maris <svmaris@madline.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Data-corruption while using WEP on if_iwi
X-Send-Pr-Version: www-2.3

>Number:         87248
>Category:       kern
>Synopsis:       [iwi] Data-corruption while using WEP on if_iwi
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Oct 11 10:50:15 GMT 2005
>Closed-Date:    Sat May 17 10:21:25 UTC 2008
>Last-Modified:  Sat May 17 10:21:25 UTC 2008
>Originator:     Stephan van Maris
>Release:        7-CURRENT (2005-10-10)
>Organization:
>Environment:
FreeBSD soupnazi 7.0-CURRENT FreeBSD 7.0-CURRENT #4: Mon Oct 10 13:07:13 CEST 2005     root@soupnazi:/usr/obj/usr/src/sys/SOUPNAZI  i386
>Description:
I'm using if_iwi with my Intel Pro/Wireless 2200BG

pciconf -vl:

iwi0@pci3:3:0:	class=0x028000 card=0x27228086 chip=0x42208086 rev=0x05 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = 'PRO/Wireless 2200BG Network Connection'
    class    = network

When I transfer large files over the network (10MB+) I get random errors.

'cp' over NFS bails with a 'protocol not supported' error almost every time.

'scp' occasionaly fails with a 'MAC address corrupted'. This doesn't happen nearly as much as with NFS, but I presume there's some error-detection/correction in the SSH protocol.

There are also random timeouts on a remote SSH-login and regular browsing/e-mailing also suffers from this.

The above only happens when I have WEP (104bit) enabled.

I have net/iwi-firmware-2.3_1 (the latest port) installed.
>How-To-Repeat:
Transfer a large file over NFS, using if_iwi and WEP enabled.
>Fix:
Disable WEP and the problems are gone.
>Release-Note:
>Audit-Trail:

From: Roberto de Iriarte <roberto@spock.cl>
To: bug-followup@FreeBSD.org, svmaris@madline.net, roberto@spock.cl
Cc:  
Subject: Re: kern/87248: [iwi] Data-corruption while using WEP on if_iwi
Date: Thu, 10 Nov 2005 18:17:24 -0300

 The very same happens under 6.0-STABLE (as of Nov 9), with a 40 bit wep 
 key. (i have not tried 104 bit wep
 
 iwi0@pci2:2:0:  class=0x028000 card=0x27518086 chip=0x42208086 rev=0x05 
 hdr=0x00
     vendor   = 'Intel Corporation'
     device   = 'PRO/Wireless 2200BG Network Connection'
     class    = network
 
 Firmware version
 
 [ibmito /home/roberto] % pkg_info |grep iwi
 iwi-firmware-2.3_3  Intel PRO/Wireless 2200 Driver Firmware
 

From: Anders Nordby <anders@FreeBSD.org>
To: bug-followup@FreeBSD.org, svmaris@madline.net
Cc:  
Subject: Re: kern/87248: [iwi] Data-corruption while using WEP on if_iwi
Date: Wed, 1 Mar 2006 20:58:59 +0100

 Hi,
 
 I have the same/similar problems when using iwi and WPA(2).
 
 Cheers,
 
 -- 
 Anders.
State-Changed-From-To: open->feedback  
State-Changed-By: matteo 
State-Changed-When: Sab 17 Mag 2008 10:20:05 UTC 
State-Changed-Why:  
Can you experience this problem on newer FreeBSD versions too? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=87248 
State-Changed-From-To: feedback->closed 
State-Changed-By: matteo 
State-Changed-When: Sab 17 Mag 2008 10:21:09 UTC 
State-Changed-Why:  
Sumitter's email bounces. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=87248 
>Unformatted:
