Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Loading iwl3945 erratic
Date: Wed, 17 Sep 2008 20:03:34
Message-Id: 200809172203.52587.alan.mckinnon@gmail.com
1 Hi all,
2
3 I have a Dell XPS M1530 with an Intel IWL3945 wireless card. On
4 power-up/reboot it sometimes works, sometimes doesn't. I can find no pattern
5 at all, success does not depend on the machine being hot/cold rebooted,
6 powered up from shutdown, hibernate, suspend or any other usual thing. I
7 don't use the wireless-rf kill switch at all.
8
9 I've googled, read the comments in the source and read heaps of howtos without
10 success. Ideas anyone?
11
12 On failure, the exact error message in dmesg is:
13 Sep 17 18:04:48 nazgul [ 5.304072] iwl3945: Intel(R) PRO/Wireless
14 3945ABG/BG Network Connection driver for Linux, 1.2.26kds
15 Sep 17 18:04:48 nazgul [ 5.304072] iwl3945: Copyright(c) 2003-2008 Intel
16 Corporation
17 Sep 17 18:04:48 nazgul [ 6.229313] iwl3945: Detected Intel Wireless WiFi
18 Link 3945ABG
19 Sep 17 18:04:48 nazgul [ 6.230984] iwl3945: Error: saturation power is -1,
20 less than minimum expected 40
21 Sep 17 18:04:48 nazgul [ 6.230984] iwl3945: Invalid power index
22 Sep 17 18:04:48 nazgul [ 6.230984] iwl3945: initializing regulatory
23 failed: -5
24 Sep 17 18:04:48 nazgul [ 6.237253] iwl3945: probe of 0000:0b:00.0 failed
25 with error -5
26
27 On success, the dmesg output is:
28 Sep 17 18:37:52 nazgul [ 4.576768] iwl3945: Intel(R) PRO/Wireless
29 3945ABG/BG Network Connection driver for Linux, 1.2.26ks
30 Sep 17 18:37:52 nazgul [ 4.576768] iwl3945: Copyright(c) 2003-2008 Intel
31 Corporation
32 Sep 17 18:37:52 nazgul [ 5.490369] iwl3945: Detected Intel Wireless WiFi
33 Link 3945ABG
34 Sep 17 18:37:52 nazgul [ 5.603457] iwl3945: Tunable channels: 13 802.11bg,
35 23 802.11a channels
36 Sep 17 18:37:52 nazgul [ 5.609491] phy0: Selected rate control
37 algorithm 'iwl-3945-rs'
38
39
40 The hardware:
41 alan@nazgul ~ $ sudo lspci | grep -i wireless
42 0b:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network
43 Connection (rev 02)
44
45 Kernel: 2.6.26-gentoo
46
47 Config:
48 alan@nazgul ~ $ zgrep IWL /proc/config.gz
49 CONFIG_IWLWIFI=m
50 CONFIG_IWLCORE=m
51 # CONFIG_IWLWIFI_LEDS is not set
52 CONFIG_IWLWIFI_RFKILL=y
53 # CONFIG_IWL4965 is not set
54 CONFIG_IWL3945=m
55 CONFIG_IWL3945_SPECTRUM_MEASUREMENT=y
56 CONFIG_IWL3945_LEDS=y
57 # CONFIG_IWL3945_DEBUG is not set
58
59 alan@nazgul /etc $ grep -i iwl /etc/mod*conf
60 /etc/modprobe.conf:alias wlan0 iwl3945
61
62 --
63 alan dot mckinnon at gmail dot com

Replies

Subject Author
Re: [gentoo-user] Loading iwl3945 erratic Espen Hustad <espen.hustad@×××××.com>