On Wed, Nov 4, 2009 at 6:16 AM, strowger <[email protected]> wrote:
> Adding this symlink fixes things for me:
>
> rwxrwxrwx 1 root root 34 2009-11-04 11:01
> /lib/firmware/2.6.31-14-generic/lbm-iwlwifi-5000-2.ucode ->
> /lib/firmware/iwlwifi-5000-2.ucode
>
> It may be co-incidence, but without the symlink I was experiencing very
> unstabie connections - Thinkpad R500, Karmic amd64 - whereas with it
> things are stable. Without the symlink I get logged:
>
> [   40.952984] iwlagn 0000:03:00.0: firmware: requesting 
> lbm-iwlwifi-5000-2.ucode
> [   42.076259] iwlagn 0000:03:00.0: lbm-iwlwifi-5000-2.ucode firmware file 
> req failed: -2
> [   42.077434] iwlagn 0000:03:00.0: firmware: requesting 
> lbm-iwlwifi-5000-1.ucode
> [   42.290014] iwlagn 0000:03:00.0: Loaded firmware lbm-iwlwifi-5000-1.ucode, 
> which is deprecated. Please use API v2 instead.
>
> I then have frequent disconnections of the wireless, accompanied by:
>
> iwlagn 0000:03:00.0: Microcode SW error detected.  Restarting 0x2000000
>
> As well as numerous Kernel oops'es.
>
> [Without the backports installed I, I experience frequent lockups unless
> I disable wireless]
>
> --
> Incorrect Intel firmware file name
> https://bugs.launchpad.net/bugs/453064
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “linux-backports-modules-2.6.31” package in Ubuntu: Confirmed
>
> Bug description:
> /lib/firmware/2.6.31-14-generic/lbm-iwlwifi-5000-1.ucode is API v2 and
> should be named lbm-iwlwifi-5000-2.ucode. As you see the -1 LBM
> package matches the -2 file in linux-firmware:
>
> $ sha1sum /lib/firmware/{,"2.6.31-14-generic/"}*iwlwifi-5000-*
> f06ff86c8baa8616de584f8b0fff072a9aab6a44  /lib/firmware/iwlwifi-5000-1.ucode
> b1dc5068cd536a97af7e3c0090a5a632d09ab2f3  /lib/firmware/iwlwifi-5000-2.ucode
> b1dc5068cd536a97af7e3c0090a5a632d09ab2f3  
> /lib/firmware/2.6.31-14-generic/lbm-iwlwifi-5000-1.ucode
>
> Also confirmed this by downloading the firmware iwlwifi-5000-2.ucode
> from Intel:
>
> b1dc5068cd536a97af7e3c0090a5a632d09ab2f3  iwlwifi-5000-2.ucode
>
>
> WiFi works, but the file name problem case the following kernel error
> messages:
>
> [  137.691196] iwlagn 0000:03:00.0: firmware: requesting 
> lbm-iwlwifi-5000-2.ucode
> [  138.136768] iwlagn 0000:03:00.0: lbm-iwlwifi-5000-2.ucode firmware file 
> req failed: -2
> [  138.136828] iwlagn 0000:03:00.0: firmware: requesting 
> lbm-iwlwifi-5000-1.ucode
> [  138.290188] iwlagn 0000:03:00.0: Loaded firmware lbm-iwlwifi-5000-1.ucode, 
> which is deprecated. Please use API v2 instead.
> [  138.290254] iwlagn 0000:03:00.0: loaded firmware version 8.24.2.12
> [  138.466569] Registered led device: iwl-phy0::radio
> [  138.466595] Registered led device: iwl-phy0::assoc
> [  138.466625] Registered led device: iwl-phy0::RX
> [  138.466643] Registered led device: iwl-phy0::TX
>
> After renaming lbm-iwlwifi-5000-1.ucode to lbm-iwlwifi-5000-2.ucode
> the above messages is replaced by:
>
> [   30.302953] iwlagn 0000:03:00.0: firmware: requesting 
> lbm-iwlwifi-5000-2.ucode
> [   30.400389] iwlagn 0000:03:00.0: loaded firmware version 8.24.2.12
> [   30.576366] Registered led device: iwl-phy0::radio
> [   30.576389] Registered led device: iwl-phy0::assoc
> [   30.576407] Registered led device: iwl-phy0::RX
> [   30.576423] Registered led device: iwl-phy0::TX
>
> ProblemType: Bug
> Architecture: amd64
> Date: Fri Oct 16 14:24:08 2009
> DistroRelease: Ubuntu 9.10
> Package: linux-backports-modules-2.6.31-14-generic 2.6.31-14.16
> ProcEnviron:
>  LANGUAGE=
>  PATH=(custom, no user)
>  LANG=en_US.UTF-8
>  SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.31-14.47-generic
> SourcePackage: linux-backports-modules-2.6.31
> Uname: Linux 2.6.31-14-generic x86_64
> XsessionErrors: (polkit-gnome-authentication-agent-1:2123): GLib-CRITICAL **: 
> g_once_init_leave: assertion `initialization_value != 0' failed
>

There is a bug in LBM - it is based on comapt-wireless 2.6.32-rc4..
Ubuntu needs to change this immediately..  Kernel oops's are common in
that release across many wireless drivers..  It has been fixed in
rc5..  I cannot use lbm because of it..

-- 
Incorrect Intel firmware file name
https://bugs.launchpad.net/bugs/453064
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