Bug 125688 – iwconfig hangs when trying to use ndiswrapper 0.7 with WEP

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Bug 125688 - iwconfig hangs when trying to use ndiswrapper 0.7 with WEP

Summary:	iwconfig hangs when trying to use ndiswrapper 0.7 with WEP

Status:	CLOSED WONTFIX

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	modutils (Show other bugs)
Sub Component:
Version:	2
Hardware:	i686 Linux

Priority	medium Severity high
Target Milestone:	---
Target Release:	---
Assigned To:	Bill Nottingham
QA Contact:
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Reported:	2004-06-09 23:18 EDT by Vadim Gritsenko
Modified:	2014-03-16 22:46 EDT (History)
CC List:	1 user (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2004-06-19 07:35:23 EDT
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Description Vadim Gritsenko 2004-06-09 23:18:39 EDT

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040510

Description of problem:
Installed ndiswrapper-0.7 and bcmwl5 driver for Dell True Mobile card
built into Dell Inspiron 8600.

Attempt to activate wlan0 with system-config-network fails with
message "Segmentation fault", and dmesg shows:


Unable to handle kernel paging request at virtual address fee6b440
 printing eip:
42bb015e
*pde = 00000000
Oops: 0000 [#1]
CPU:    0
EIP:    0060:[<42bb015e>]    Tainted: P
EFLAGS: 00010206   (2.6.5-1.358)
EIP is at ndis_set_wep+0xa2/0x157 [ndiswrapper]
eax: 0000000d   ebx: 40e86220   ecx: 00000003   edx: 0000000d
esi: fee6b440   edi: 2b18bed0   ebp: 40e86000   esp: 2b18beac
ds: 007b   es: 007b   ss: 0068
Process iwconfig (pid: 3178, threadinfo=2b18b000 task=2908b9b0)
Stack: 29094fec 000009ac 2b122800 034e1e40 02135342 0000000d 0000002c
80000000
       0000000d 0213f1ba 034e1e40 290f2000 00000000 fee6b44d 0000000d
fee6b440
       316129fc 00008b2a 0228b4d8 00000001 2b18bf44 00008b2a 0223db68
316129fc
Call Trace:
 [<02135342>] follow_page+0xda/0xe5
 [<0213f1ba>] rw_vm+0x1ce/0x1ea
 [<0223db68>] wireless_process_ioctl+0x2bf/0x59a
 [<42bb00bc>] ndis_set_wep+0x0/0x157 [ndiswrapper]
 [<0223701b>] dev_ioctl+0x24e/0x283
 [<0222ff8f>] sock_ioctl+0x52/0x280
 [<0213816b>] do_brk+0x1a5/0x1d0
 [<0214ea0e>] sys_ioctl+0x1f2/0x224

Code: f3 a5 a8 02 74 02 66 a5 a8 01 74 01 a4 8d 44 24 04 ba 13 01


Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Get Dell Inspiron 8600 with 802.11g card, ndiswrapper-0.7, and
bcmwl5.dll
2. Follow http://www.linuxelectrons.com/article.php/20040507104718960
(or similar from fedoranews.org)
3. Put WEP key in hexadecimal format

Actual Results:  Segmentation fault, system-config-network hangs.
Subsequent execution of iwconfig hangs.

Expected Results:  Working wireless connection.

Additional info:

Comment 1 Vadim Gritsenko 2004-06-10 08:05:58 EDT

Turns out segmentation fault was caused by WEP; once WEP key is
removed everything is working fine. This [1] also indicates that later
than 0.7 ndiswrapper should have WEP working.

[1] http://article.gmane.org/gmane.linux.drivers.ndiswrapper.general/2116

Comment 2 Vadim Gritsenko 2004-06-10 08:06:46 EDT

(updated summary)

Comment 3 Alan Cox 2004-06-19 07:35:23 EDT

This problem isn't in an Fedora shipped components so should be
reported upstream (if indeed its not fixed in 0.7)

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