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[Bug 586711] New: no wireless connection after kde 4 login: iwl3945 must be reloaded to activate wlan0
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 9 Mar 2010 17:25:33 +0000
  • Message-id: <bug-586711-21960@xxxxxxxxxxxxxxxxxxxxxxxx/>
http://bugzilla.novell.com/show_bug.cgi?id=586711

http://bugzilla.novell.com/show_bug.cgi?id=586711#c0


Summary: no wireless connection after kde 4 login: iwl3945 must
be reloaded to activate wlan0
Classification: openSUSE
Product: openSUSE 11.3
Version: Factory
Platform: i386
OS/Version: openSUSE 11.3
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Network
AssignedTo: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: andi@xxxxxxxxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


Created an attachment (id=347417)
--> (http://bugzilla.novell.com/attachment.cgi?id=347417)
The attachment tells the log (var/log/messages) of 3 steps workaround
described.

User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.0)
Gecko/20100115 SUSE/3.6.0-1.10 Firefox/3.6

After login to KDE 4 desktop, Wireless connection is disabled in
KNetworkManager, and the LED is off.

wlan0 does not appear in 'ifconfig' command, except 'iwconfig', so 'ifconfig
wlan0 up' will result: SIOCSIFFLAGS: Unknown error 132

The "only" workaround (to get it worked) is by:

1. Switching the LED (Wireless Communication Button) on (it still off though)
2. Running: su -c 'service network restart'
3. Running: su -c 'modprobe -r iwl3945 && modprobe iwl3945'

After that the LED is on, and finally wireless connection appears in
KnetworkManager again and it can connect to any Access Point.


Reproducible: Always

Steps to Reproduce:
1. Disable all openSUSE 11.2 repositories, and add factory:repo:oss and
factory:repo:non-oss repositories
2. 'zypper dup' to openSUSE 11.3 M3 (KDE 4.4)
3. Login to KDE 4
Actual Results:
Wireless connection is disabled in KNetworkManager, and the LED is off.

Expected Results:
The LED is on, and wireless connection appears in KnetworkManager again and it
can connect to any Access Point.

It failed to get wlan0 up if the steps on the workaround is done randomly.

It is on Acer Aspire 5620.

The wireless adapter info (lspci | grep Network):

03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan]
Network Connection (rev 02)

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