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Re: A problem loading ssb module

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Luis R. Rodriguez wrote:
> On Mon, Sep 28, 2009 at 01:38:46PM -0700, Tim Gardner wrote:
>> Luis R. Rodriguez wrote:
>>> On Mon, Sep 28, 2009 at 01:00:55PM -0700, Tim Gardner wrote:
>>>> Luis R. Rodriguez wrote:
>>>>> On Sun, Sep 27, 2009 at 12:50:19PM -0700, Luis R. Rodriguez wrote:
>>>>>> On Sun, Sep 27, 2009 at 8:15 AM, Clyde McPherson <ccmcphe@xxxxxxxxxxx> wrote:
>>>>>>>> On Thu, Sep 24, 2009 at 11:33 AM, Hauke Mehrtens <hauke@xxxxxxxxxx> wrote:
>>>>>>>>
>>>>>>>>> Bryan Wu wrote:
>>>>>>>>>
>>>>>>>>>> Mauro Di Domenico wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi,
>>>>>>>>>>> I'm testing new b43 modules for my 14e4:4315 broadcom card.
>>>>>>>>>>> I've compiled and installed compat-wireless-2009-09-16 in a debian
>>>>>>>>>>> machine with kernel version 2.6.30-6.
>>>>>>>>>>>
>>>>>>>>>>> During the boot I experience this problem:
>>>>>>>>>>>
>>>>>>>>>>> $ dmesg|egrep "b43|ssb"
>>>>>>>>>>>
>>>>>>>>>>> [    2.384463] b43-pci-bridge 0000:06:00.0: PCI INT A -> GSI 17 (level,
>>>>>>>>>>> low) -> IRQ 17
>>>>>>>>>>> [    2.384477] b43-pci-bridge 0000:06:00.0: setting latency timer to 64
>>>>>>>>>>> [    2.544344] ssb: Sonics Silicon Backplane found on PCI device
>>>>>>>>>>> 0000:06:00.0
>>>>>>>>>>> [    6.968981] b43: disagrees about version of symbol
>>>>>>>>>>> ssb_device_is_enabled
>>>>>>>>>>> [    6.968986] b43: Unknown symbol ssb_device_is_enabled
>>>>>>>>>>> [    6.969280] b43: Unknown symbol ssb_pmu_set_ldo_paref
>>>>>>>>>>> [    6.969407] b43: disagrees about version of symbol
>>>>>>>>>>> ssb_pcicore_dev_irqvecs_enable
>>>>>>>>>>> [    6.969410] b43: Unknown symbol ssb_pcicore_dev_irqvecs_enable
>>>>>>>>>>> .....
>>>>>>>>>>> ....
>>>>>>>>>>> ...
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>> I faced the exactly same issue as Mauro did. +1 from me, but currently
>>>>>>>>>> have
>>>>>>>>>> no time to take a deeper look.
>>>>>>>>>>
>>>>>>>>>> Thanks
>>>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> I had the same problem with the ssb module and compat-wireless in ubuntu
>>>>>>>>> 9.04. The problem is that the ssb module is integrated into the
>>>>>>>>> initramfs image. The version out of the initramfs image is loaded on
>>>>>>>>> startup and not the version of compat-wireless. Running "sudo
>>>>>>>>> update-initramfs -u" after installing compat-wireless and restaing the
>>>>>>>>> system fixes the problem for me. Either Debian/Ubuntu should remove ssb
>>>>>>>>> form default initramfs image or compat-wireless should update the image
>>>>>>>>> with the install command. At least the compat-wireless documentation
>>>>>>>>> needs an update.
>>>>>>>>>
>>>>>>>>> Hauke
>>>>>>>>>
>>>>>>>>> (adding Luis and linux-wireless list)
>>>>>>>>>
>>>>>>>> Tim, do you guys update the initramfs upon installation of lbm? If a
>>>>>>>> user does not use lbm and uses compat-wireless I suppose we need to do
>>>>>>>> something similar.
>>>>>>>>
>>>>>>>>  Luis
>>>>>>>> _______________________________________________
>>>>>>>> Bcm43xx-dev mailing list
>>>>>>>> Bcm43xx-dev@xxxxxxxxxxxxxxxx
>>>>>>>> https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
>>>>>>>>
>>>>>>> All:
>>>>>>> I have a large group that uses the ssb module along with the Broadcom 4318,
>>>>>>> in a CF form factor. If the CF card is inserted before boot, and the ssb
>>>>>>> module is not in the initrd process, the laptops lock up and do not become
>>>>>>> operational. The solution to this problem is/was adding the ssb.ko to the
>>>>>>> initrd process. So I agree with Luis on this, the ssb module will have to be
>>>>>>> added/updated to the initrd process. As for PCI operations, I don't know,
>>>>>>> but for PCMCIA operations ssb.ko has to be added and/or updated. Anytime I
>>>>>>> am testing new releases of b43, I run "update-initramfs -u" to update the
>>>>>>> ssb module. (Sometimes you can do a rmmod ssb and rmmod b43, and then
>>>>>>> modprobe them back in. - This saves a reboot)
>>>>>> But why is ssb, b43, b44 needed upon early boot?
>>>>> OK the reason seems to be netboot. Yeah the only fix for distros who want
>>>>> this on the initramfs is to update it after a compat-wireless package is
>>>>> installed. I suppose we can add a hook to compat-wireless for each distro.
>>>>> I'm only familiar with Ubuntu way of doing this so if people are interested
>>>>> in other distros you'll need to point/test how to do this on there.
>>>>>
>>>>> Please try this patch against compat-wireless: (also attached)
>>>>>
>>>>> From 99af88246c2de71aa799de2b63f9d9ccac41634f Mon Sep 17 00:00:00 2001
>>>>> From: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
>>>>> Date: Sun, 27 Sep 2009 13:58:22 -0700
>>>>> Subject: [PATCH] Add scripts/update-initramfs and use it
>>>>>
>>>>> Some distributions may ship b44 and ssb on the initramfs for
>>>>> netboot. To help with this we need to update the initrafms
>>>>> for those distributions.
>>>>>
>>>>> Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
>>>>> ---
>>>>>  Makefile                 |    1 +
>>>>>  scripts/update-initramfs |   33 +++++++++++++++++++++++++++++++++
>>>>>  2 files changed, 34 insertions(+), 0 deletions(-)
>>>>>  create mode 100755 scripts/update-initramfs
>>>>>
>>>>> diff --git a/Makefile b/Makefile
>>>>> index ab97de0..c7333a2 100644
>>>>> --- a/Makefile
>>>>> +++ b/Makefile
>>>>> @@ -65,6 +65,7 @@ install: uninstall install-modules install-scripts
>>>>>  install-modules: modules
>>>>>       $(MAKE) -C $(KLIB_BUILD) M=$(PWD) $(KMODDIR_ARG) $(KMODPATH_ARG) \
>>>>>               modules_install
>>>>> +     @./scripts/update-initramfs
>>>>>
>>>>>  install-scripts:
>>>>>       @# All the scripts we can use
>>>>> diff --git a/scripts/update-initramfs b/scripts/update-initramfs
>>>>> new file mode 100755
>>>>> index 0000000..412d885
>>>>> --- /dev/null
>>>>> +++ b/scripts/update-initramfs
>>>>> @@ -0,0 +1,33 @@
>>>>> +#!/bin/bash
>>>>> +# Copyright 2009        Luis R. Rodriguez <mcgrof@xxxxxxxxx>
>>>>> +#
>>>>> +# Since we provide ssb, the Ethernet module b44 some people may
>>>>> +# rely on it to netboot, so update the initrafms for each
>>>>> +# distribution.
>>>>> +#
>>>>> +# Note that in the future people may want to wireless-boot
>>>>> +# so this will help with that as well.
>>>>> +
>>>>> +LSB_RED_ID=$(/usr/bin/lsb_release -i -s)
>>>>> +
>>>>> +KLIB=/lib/modules/2.6.31-wl/build
>>>>> +ver=$(echo $KLIB | awk -F "/lib/modules/" '{print $2}' | awk -F"/" '{print $1}')
>>>>> +dir=/boot/
>>>>> +
>>>>> +case $LSB_RED_ID in
>>>>> +"Ubuntu")
>>>>> +     echo "Updating Ubuntu's initramfs for $ver under $dir ..."
>>>>> +     mkinitramfs -o $dir/initrd.img-$ver $ver
>>>>> +     echo "Will now run update-grub to ensure grub will find the new initramfs ..."
>>>>> +     update-grub
>>>>> +     ;;
>>>>> +*)
>>>>> +     echo "Warning:"
>>>>> +     echo "You may or may not need to update your initframfs, you should if"
>>>>> +     echo "any of the modules installed are part of your initramfs. To add"
>>>>> +     echo "support for your distribution to do this automatically send a"
>>>>> +     echo "patch against $0. If your distribution does not require this"
>>>>> +     echo "send a patch against the '/usr/bin/lsb_release -i -s': $LSB_RED_ID"
>>>>> +     echo "tag for your distribution to avoid this warning."
>>>>> +        ;;
>>>>> +esac
>>>>>
>>>> Luis - I'll do something similar in a post install script for Karmic LBM
>>> Great, thanks for the heads up.
>>>
>>>> since the install-modules target in your makefile isn't used for a
>>>> debian install.
>>> Not sure I followed this part, what do you mean?
>>>
>> It has to do with the way debian packages are installed. In the case of
>> LBM, the .ko files from the binary package are simply copied to their
>> target locations during 'apt-get install'. Therefore, a post
>> installation script needs to be run that updates the initramfs.
> 
> Oh I see, the debian/rules file entry for install, got it.
> 
>   Luis
> 

Ok, this turned out to not be a debian package problem. Rather its a
build issue for compat-wireless. Patch to follow.

rtg
-- 
Tim Gardner tim.gardner@xxxxxxxxxxxxx
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