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Re: Fwd: Fwd: lspci not working

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On 05/17/2015 06:49 PM, Arend van Spriel wrote:
> 
> 
> On 17-05-15 16:48, Schmirr Wurst wrote:
>> ---------- Forwarded message ----------
>> From: Schmirr Wurst <schmirrwurst@xxxxxxxxx>
>> Date: 2015-05-17 16:47 GMT+02:00
>> Subject: Re: Fwd: lspci not working
>> To: Arend van Spriel <aspriel@xxxxxxxxx>
>>
>>
>> 2015-05-17 16:34 GMT+02:00 Arend van Spriel <aspriel@xxxxxxxxx>:
>>> On 17-05-15 16:08, Schmirr Wurst wrote:
>>>>
>>>> ---------- Forwarded message ----------
>>>> From: Schmirr Wurst <schmirrwurst@xxxxxxxxx>
>>>> Date: 2015-05-17 16:07 GMT+02:00
>>>> Subject: Re: lspci not working
>>>> To: Hauke Mehrtens <hauke@xxxxxxxxxx>
>>>>
>>>>
>>>> 2015-05-17 15:17 GMT+02:00 Hauke Mehrtens <hauke@xxxxxxxxxx>:
>>>>>
>>>>> On 05/17/2015 03:00 PM, Schmirr Wurst wrote:
>>>>>>
>>>>>> 2015-05-17 14:57 GMT+02:00 Schmirr Wurst <schmirrwurst@xxxxxxxxx>:
>>>>>>>
>>>>>>> I'm not familiar with inline answers and mailing list, tried to put
>>>>>>> some order in my answer + log file
>>>>>>>
>>>>>>> 2015-05-17 13:18 GMT+02:00 Rafał Miłecki <zajec5@xxxxxxxxx>:
>>>>>>>>
>>>>>>>> On 17 May 2015 at 12:23, Arend van Spriel <arend@xxxxxxxxxxxx>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> On 05/17/15 02:21, Schmirr Wurst wrote:
>>>>>>>>>>
>>>>>>>>>> I tried as suggested to had a look at
>>>>>>>>>> /sys/bus/sdio/devices, but the only devices around there a 3
>>>>>>>>>> mmc1:0001:1 to :3, I guess it is something else...
>>>>>>>>>>
>>>>>>>>>> I already try to install brcmfmac_sdio , with some tutorial
>>>>>>>>>> from the
>>>>>>>>>> internet, but it didn't work...
>>>>>>>>>> actually, I see under /sys/bus/sdio/drivers brcmfmac_sdio ...
>>>>>>>>>>
>>>>>>>>>> In that directory, I see a directory mmc1:0001:2
>>>>>>>>>> under device I have 0xa94d
>>>>>>>>>>
>>>>>>>>>> I completly lost, maybe you understand that information, sorry..
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I do. The fact that you see a subdirectory mmc1:0001:2 in
>>>>>>>>> /sys/bus/sdio/drivers/brcmfmac_sdio means that the driver was
>>>>>>>>> probed
>>>>>>>>> for
>>>>>>>>> this device. Now would be a good time to share your (friends')
>>>>>>>>> kernel
>>>>>>>>> log,
>>>>>>>>> but my guess is you are either missing firmware or nvram data
>>>>>>>>> or both
>>>>>>>>> for
>>>>>>>>> this device.
>>>>>>>
>>>>>>> I ve attatched the kernel.log here
>>>>>>> https://drive.google.com/file/d/0B8gm4mLCCQAgMmNlVVFSYmNjOGs/view?usp=sharing
>>>>>>>
>>>>>>> In dmsg I see following linked with the brc driver :
>>>>>>> dmesg | grep brc
>>>>>>> [    7.987661] brcmf_sdio_drivestrengthinit: No SDIO Drive strength
>>>>>>> init done for chip 43340 rev 2 pmurev 20
>>>>>>> [    7.993487] usbcore: registered new interface driver brcmfmac
>>>>>>> [    7.996318] brcmfmac_sdio mmc1:0001:1: Direct firmware load for
>>>>>>> brcm/brcmfmac43340-sdio.bin failed with error -2
>>>>>>> [    9.011572] brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl
>>>>>>> 0x50
>>>>>>> [   10.037365] brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl
>>>>>>> 0x50
>>>>>>>>
>>>>>>>>
>>>>>>>> It could also mean driver was loaded manually. So please also make
>>>>>>>> sure the friend uses kernel 4.0 or newer.
>>>>>>>
>>>>>>> Kernel : 4.0.0 #3 SMP PREEMPT Wed Apr 22 17:52:53 MSK 2015
>>>>>>> Distro:
>>>>>>> Distributor ID:    T100 Ubuntu 15.04
>>>>>>> Description:    Ubuntu 15.04
>>>>>>> Release:    15.04
>>>>>>> Codename:    vivid
>>>>>>> I ve installed it from the magic stick here
>>>>>>> https://plus.google.com/communities/117853703024346186936
>>>>>
>>>>>
>>>>> The driver complains about missing firmware and Ubuntu 15.04 does not
>>>>> contain it.
>>>>>
>>>>> Please place this file
>>>>>
>>>>> https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/plain/brcm/brcmfmac43340-sdio.bin
>>>>>
>>>>>
>>>>> to /lib/firmware/brcm/brcmfmac43340-sdio.bin
>>>>>
>>>>> Hauke
>>>>
>>>>    Before that, the system was complaining about
>>>> brcm/brcmfmac43340-sdio.bin, and now about brcm/brcmfmac43340-sdio.txt
>>>> but errors are similar...
>>>
>>>
>>> I guess your system in jinxed because of the hostname you setup :-p
>>>
>>> Ok, more seriously now. This is the nvram data I mentioned earlier. This
>>> system may have that info stored in efi variable. You should be able
>>> to find
>>> it in /sys/firmware/efi/efivars/nvram-*.
>>>
>>> It may be necessary to run the following commands:
>>>
>>> # modprobe efivarfs
>>> # mount -t efivarfs efivarfs /sys/firmware/efi/efivars
>>>
>>> Regards,
>>> Arend
>>>
>> I cant be kind with manufacturer like broadcom and nvidia and those
>> that are builting in such hardware ;)
> 
> You are talking to a broadcom employee (in disguise ;-) ).
> 
>> cat /sys/firmware/efi/efivars/nvram-74b00bd9-805a-4d61-b51f-43268123d113
>> What am I supposed to do with this ?
> 
> You are kidding? I'll chew it for you:
> 
> $ cp /sys/firmware/efi/efivars/nvram-74b00bd9*
> /lib/firmware/brcm/brcmfmac43340-sdio.txt

Why can't the driver directly access this efi var? I haven't checked if
this is already done somewhere, but letting a user do this manually does
not seam nice.

> 
> Regards,
> Arend
> 

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