Re: Wifi connection issues with Intel?

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On Wed, Jun 11, 2014 at 1:06 PM, poma <pomidorabelisima@xxxxxxxxx> 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@xxxxxxxxx>
>>>>> 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
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