Wifi connection issues with Intel?

[poma]

On 11.06.2014 19:13, Josh Boyer wrote:
> On Wed, Jun 11, 2014 at 1:06 PM, poma <pomidorabelisima at gmail.com> wrote:
>> On 11.06.2014 13:33, Josh Boyer wrote:
>>>
>>> On Wed, Jun 11, 2014 at 12:35:36PM +0200, poma wrote:
>>>>
>>>> On 11.06.2014 10:18, poma wrote:
>>>>>
>>>>> On 11.06.2014 04:34, Richard Shaw wrote:
>>>>>>
>>>>>> On Tue, Jun 10, 2014 at 6:09 PM, poma <pomidorabelisima at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Firmware, kernel module or userspace? :)
>>>>>>>
>>>>>>
>>>>>>     # uname -r
>>>>>> 3.14.5-200.fc20.x86_64
>>>>>>
>>>>>> No clue on firmware, I'm not exactly sure how to check which is being
>>>>>> loaded...
>>>>>>
>>>>>>
>>>>>> Did you mention an exact hardware in question?
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> 02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6235
>>>>>> (rev
>>>>>> 24)
>>>>>> Subsystem: Intel Corporation Centrino Advanced-N 6235 AGN
>>>>>> Flags: bus master, fast devsel, latency 0, IRQ 48
>>>>>> Memory at f0200000 (64-bit, non-prefetchable) [size=8K]
>>>>>> Capabilities: [c8] Power Management version 3
>>>>>> Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
>>>>>> Capabilities: [e0] Express Endpoint, MSI 00
>>>>>> Capabilities: [100] Advanced Error Reporting
>>>>>> Capabilities: [140] Device Serial Number c8-f7-33-ff-ff-f4-2d-ba
>>>>>> Kernel driver in use: iwlwifi
>>>>>> Kernel modules: iwlwifi
>>>>>>
>>>>>>
>>>>>> BTW how are you sure RF environment ain't changed?
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> Nothing new has come in or left the house since the problem...
>>>>>>
>>>>>> Thanks,
>>>>>> Richard
>>>>>
>>>>>
>>>>>
>>>>> - KERNEL:
>>>>> $ curl -s https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.6
>>>>> | grep iwlwifi
>>>>>
>>>>> So pick up kernel-3.14.6-200.fc20.x86_64.rpm
>>>>> http://koji.fedoraproject.org/koji/buildinfo?buildID=531773
>>>>>
>>>>> You can also try with kernel-core-3.15.0-1.fc21.x86_64.rpm
>>>>> http://alt.fedoraproject.org/pub/alt/rawhide-kernel-nodebug/x86_64/
>>>>>
>>>>>
>>>>> - FIRMWARE:
>>>>> $ modinfo -F firmware iwlwifi
>>>>>
>>>>> # yum --enablerepo updates-testing install iwl6000g2b-firmware
>>>>>
>>>>> $ rpm -qf /usr/lib/firmware/iwlwifi-6000g2b-6.ucode
>>>>> iwl6000g2b-firmware-17.168.5.2-38.fc20.noarch
>>>>>
>>>>> According to
>>>>> http://wireless.kernel.org/en/users/Drivers/iwlwifi#Firmware
>>>>> Intel® Centrino® Advanced-N 6235 goes with
>>>>> iwlwifi-6000g2b-ucode-18.168.6.1.tgz
>>>>> i.e. iwlwifi-6000g2b-6.ucode
>>>>> also stated within firmware itself:
>>>>>
>>>>> https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tree/iwlwifi-6000g2b-6.ucode
>>>>> "IWL.6000g2b.fw.v18.168.6.1.build.0"
>>>>>
>>>>> However in Fedora it is packaged as "17" i.e.
>>>>> iwl6000g2b-firmware-17.168.5.2-38.fc20.noarch
>>>
>>>
>>> Probably because I forgot to increment the version number.
>>>
>>>>> Josh, do these two firmwares should be in their own packages as "18"?
>>>
>>>
>>> No.
>>>
>>>>>
>>>>> Intel® Centrino® Advanced-N 6235 - iwlwifi-6000g2b-ucode-18.168.6.1
>>>>> i.e. iwlwifi-6000g2b-6.ucode - "IWL.6000g2b fw v18.168.6.1 build 0"
>>>>> in iwl6000g2b-firmware-18.168.6.1-1.f$releasever.noarch.rpm
>>>>>
>>>>> and
>>>>>
>>>>> Intel® Centrino® Advanced-N 6205 - iwlwifi-6000g2a-ucode-18.168.6.1
>>>>> i.e. iwlwifi-6000g2a-6.ucode - "IWL.6000g2a fw v18.168.6.1 build 0"
>>>>> in iwl6000g2a-firmware-18.168.6.1-1.f$releasever.noarch.rpm
>>>>
>>>>
>>>> e.g.
>>>>
>>>> - Intel® Centrino® Advanced-N 6235
>>>>
>>>> 1. Rename
>>>> iwl6000g2b-firmware-17.168.5.2-38.fc20.noarch
>>>> to
>>>> iwl6000g2b5-firmware-17.168.5.2-38.fc20.noarch
>>>> /usr/lib/firmware/iwlwifi-6000g2b-5.ucode
>>>>
>>>> 2. Create
>>>> iwl6000g2b6-firmware-18.168.6.1-1.f20.noarch.rpm
>>>> /usr/lib/firmware/iwlwifi-6000g2b-6.ucode
>>>>
>>>>
>>>> - Intel® Centrino® Advanced-N 6205
>>>>
>>>> 3. Rename
>>>> iwl6000g2a-firmware-17.168.5.3-38.fc20.noarch
>>>> to
>>>> iwl6000g2a5-firmware-17.168.5.3-38.fc20.noarch
>>>> /usr/lib/firmware/iwlwifi-6000g2a-5.ucode
>>>>
>>>> 4. Create
>>>> iwl6000g2a6-firmware-18.168.6.1-1.f20.noarch.rpm
>>>> /usr/lib/firmware/iwlwifi-6000g2a-6.ucode
>>>
>>>
>>> No.  That's really pointless work and makes the linux-firmware package
>>> even more complicated that it already is.
>>>
>>> The firmware is getting installed and it's correct.  Most times people
>>> don't need to worry about which firmware they have, and if they do they
>>> can consult the WHENCE file installed in /usr/share/doc/linux-firmware/.
>>>
>>> josh
>>>
>>
>> IF I correctly understood
>> http://wireless.kernel.org/en/users/Drivers/iwlwifi#Firmware
>> Fedora is shipping at least one unnecessary firmware version compared to the
>> kernels used,
>> e.g. for
>> Intel® Centrino® Advanced-N 6205
>> IS required only iwlwifi-6000g2a-6.ucode - kernel 3.2+
>> and NOT iwlwifi-6000g2a-5.ucode - kernel 2.6.35+
>
> Fedora ships whatever is in the upstream linux-firmware git repo in
> the linux-firmware package.  It's stand-alone.  We don't tie it to the
> kernel versions in Fedora.  People do strange things like running
> their own kernels on top of a Fedora OS install all the time.
>
> josh
>

Someone's always talking about how to reduce the burden on the packages, but it seems that this is not the case.
These people should be able to download a firmware tarball for themselves when they are already using ancient kernels. :)
Sugway!


poma