Unknown symbol cfg80211_get_station

[Stefan Bader]

On 10.07.19 10:28, Sven Eckelmann wrote:
> On Wednesday, 10 July 2019 10:23:21 CEST Stefan Bader wrote:
>> On 06.07.19 17:22, Moritz Warning wrote:
>>> Thanks Sven for having a good look.
>>>
>>> There is no cfg80211 module present on the system (find /lib/modules/4.15.0-1032-aws/ -name *80211*).
>>> Package linux-modules-4.15.0-1032-aws is installed.
>>
>> The aws kernel is intended to be used on instances in the Amazon cloud. There is
>> no wifi hardware present on those instances, so it generally makes no sense to
>> have those modules.
> 
> Yes, but then please don't compile it in. Otherwise other modules (which make 
> sense on a server) build against functions from cfg80211 and *don't* end up with 
> a nop-stub - just because the actual implementation was compiled as part of the 
> cfg80211 module (but not shipped).
> 
>> As Jens pointed out the missing modules are in linux-modules-extra not in
>> linux-modules (the former is not installed by default).
> 
> Who is Jens and where did he point something out?
> 
> On Saturday, 6 July 2019 17:22:01 CEST Moritz Warning wrote:
>> The module linux-modules-extra-4.15.0-1032 installs the following files:

Sorry, I meant Moritz ^

>>
>> /lib/modules/4.15.0-1032-gcp/kernel/net/wireless/cfg80211.ko
>> /lib/modules/4.15.0-1032-gke/kernel/net/wireless/cfg80211.ko
>> /lib/modules/4.15.0-1032-azure/kernel/net/wireless/cfg80211.ko
>>
>> But this is not in the *-aws path.
> 
> It looks to me like Moritz checked it (I didn't) and they were not available 
> for his aws kernel.
> 
> Kind regards,
> 	Sven
> 


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