linux-kernel - Re: 2.6.30-rc1: intel 3945 no wireless

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Date:	Wed, 08 Apr 2009 23:48:05 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Alex Romosan <romosan@...orax.lbl.gov>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Justin Madru <jdm64@...ab.com>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-wireless@...r.kernel.org
Subject: Re: 2.6.30-rc1: intel 3945 no wireless

Alex Romosan wrote:
> Larry Finger <Larry.Finger@...inger.net> writes:
> 
>> Andrew Morton wrote:
>>> (cc linux-wireless)
>>>
>>> On Tue, 07 Apr 2009 22:36:48 -0700 Justin Madru <jdm64@...ab.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> Decided to test out .30-rc1, but I've run into some bugs.
>>>> My intel 3945 wireless card doesn't work. Bellow is the relevant 
>>>> portions of dmesg
>>>> The full dmesg and config can be found at: 
>>>> http://jdserver.homelinux.org/bugreports/003/
>>>>
>>>> iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for 
>>>> Linux, 1.2.26ks
>>>> iwl3945: Copyright(c) 2003-2009 Intel Corporation
>>>> iwl3945 0000:0b:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
>>>> iwl3945 0000:0b:00.0: setting latency timer to 64
>>>> input: SynPS/2 Synaptics TouchPad as 
>>>> /devices/platform/i8042/serio1/input/input6
>>>> iwl3945 0000:0b:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels
>>>> iwl3945 0000:0b:00.0: Detected Intel Wireless WiFi Link 3945ABG
>>>>   alloc irq_desc for 26 on cpu 0 node 0
>>>>   alloc kstat_irqs on cpu 0 node 0
>>>> iwl3945 0000:0b:00.0: irq 26 for MSI/MSI-X
>>>> phy0: Selected rate control algorithm 'iwl-3945-rs'
>>>> input: HDA Intel Mic at Ext Right Jack as 
>>>> /devices/pci0000:00/0000:00:1b.0/input/input7
>>>> input: HDA Intel HP Out at Ext Right Jack as 
>>>> /devices/pci0000:00/0000:00:1b.0/input/input8
>>>> phy0: Failed to initialize wep: -2
>>>> iwl3945 0000:0b:00.0: Failed to register hw (error -2)
>>>> iwl3945 0000:0b:00.0: PCI INT A disabled
>>>> iwl3945: probe of 0000:0b:00.0 failed with error -2
>>>>
>>> I assume this is a regression?  2.6.29 was OK?
>> See the discussion in the thread containing
>> http://marc.info/?l=linux-kernel&m=123922531327539&w=2. This one also contains
>> the fix that was accepted by Rusty Russell.
> 
> i have the same problem. 2.6.29 was fine, 2.6.30-rc1 doesn't work. i
> tried applying the above mentioned patch but it didn't make any
> difference. at any rate, i have iwl3945 compiled in the kernel and not
> as a module and i don't use wep. this is the relevant part from syslog:
> 
> iwl3945 0000:03:00.0: firmware: requesting iwlwifi-3945-2.ucode
> iwl3945 0000:03:00.0: loaded firmware version 15.28.2.8
> Registered led device: iwl-phy0::radio
> Registered led device: iwl-phy0::assoc
> Registered led device: iwl-phy0::RX
> Registered led device: iwl-phy0::TX
> wlan0: authenticate with AP XX:XX:XX:XX:XX:XX
> wlan0: authenticate with AP XX:XX:XX:XX:XX:XX
> iwl3945 0000:03:00.0: Microcode SW error detected. Restarting 0x82000008.
> iwl3945 0000:03:00.0: Error Reply type 0x00000005 cmd REPLY_PHY_CALIBRATION_CMD (0xB0) seq 0x013A ser 0x004E0000
> Registered led device: iwl-phy0::radio
> Registered led device: iwl-phy0::assoc
> Registered led device: iwl-phy0::RX
> Registered led device: iwl-phy0::TX
> wlan0: authenticate with AP XX:XX:XX:XX:XX:XX
> wlan0: authentication with AP XX:XX:XX:XX:XX:XX timed out
> 
> looking through the logs i also noticed this:
> 
> REISERFS warning (device sda4): jdm-20004 reiserfs_delete_xattrs: Couldn't delete all xattrs (-13)
> 
> REISERFS warning (device sda4): jdm-20004 reiserfs_delete_xattrs: Couldn't delete all xattrs (-13)
> 
> REISERFS warning (device sda2): jdm-20004 reiserfs_delete_xattrs: Couldn't delete all xattrs (-13)

Obviously your problem is different. The one I reported was due to problems
loading modules.

If you have the Linux-2.6 git tree, please do a bisection. In any case, you
should post this as a separate regression. Your problem will get lost in this
thread.

Larry
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