Re: A problem loading ssb module

[Tim Gardner <tim.gardner@canonical.com>]

Luis R. Rodriguez wrote:
> On Thu, Sep 24, 2009 at 11:33 AM, Hauke Mehrtens <hauke@hauke-m.de> 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

No, initramfs is not updated when LBM is installed. I think maybe its a 
bug that ssb is in the initramfs modules list since AFAIK its not a boot 
essential device. Even in the netboot case, ssb/b44 should be in a udeb.

rtg
-- 
Tim Gardner tim.gardner@canonical.com