Re: ABYSMAL WiFi with broadcom-wl

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On 02/07/2017 02:31 PM, cen wrote:
> Well, all I know is that with secure boot enabled there was no wifi to
> be had.

Ah. Ok. I see now. It appears the driver has to be signed by a private
key during the build and, unless you got your own public and private
keys and did the actual signing process, that module probably isn't.

> Anyway, I blacklisted bcma now and things are looking much more promising.
> 
> But I'll use it for another 12 hours first just to make sure it actually
> works properly now.
> 
> Thanks for the tip!
> 
> 
> Rick Stevens je 07. 02. 2017 ob 23:21 napisal:
>> On 02/07/2017 01:26 PM, cen wrote:
>>> Yes, wifi is correct and works perfectly on two other Fedora laptops and
>>> my phone.
>>>
>>> Before I installed broadcom-wl and disabled secure boot, WiFi did not
>>> work at all by the way. It was installed following this:
>>> https://gist.github.com/markcaudill/c161b4d30f7f7ffdabbe
>>>
>>> [cen@localhost ~] $ lspci -vnn -d 14e4:
>>> 08:00.0 Network controller [0280]: Broadcom Limited BCM4352 802.11ac
>>> Wireless Network Adapter [14e4:43b1] (rev 03)
>>>      Subsystem: Lenovo Device [17aa:0623]
>>>      Flags: bus master, fast devsel, latency 0, IRQ 17
>>>      Memory at d1600000 (64-bit, non-prefetchable) [size=32K]
>>>      Memory at d1400000 (64-bit, non-prefetchable) [size=2M]
>>>      Capabilities: <access denied>
>>>      Kernel driver in use: wl
>>>      Kernel modules: bcma, wl
>> Don't bcma and wl fight with each other? Not sure.
>>
>> I don't get the disabling of secure boot in the post you cite. While
>> the post was for F22 and there may have been issues with secure boot
>> and F22, secure boot should only affect the boot loader--not the kernel
>> that's being loaded. I could be wrong on that...I don't profess to
>> understand UEFI fully.
>>
>>> Rick Stevens je 07. 02. 2017 ob 22:06 napisal:
>>>> On 02/07/2017 12:46 PM, cen wrote:
>>>>> 08:00.0 Network controller: Broadcom Limited BCM4352 802.11ac Wireless
>>>>> Network Adapter (rev 03)
>>>>>
>>>>> Nothing particularly interesting in dmesg:
>>>>>
>>>>> [cen@localhost ~] $ dmesg |grep WL
>>>>> [   17.624730] WLC_SCAN error (-22)
>>>>> [   18.626270] WLC_SCAN error (-22)
>>>>> [   19.627999] WLC_SCAN error (-22)
>>>>> [   20.629398] WLC_SCAN error (-22)
>>>>> [   21.631062] WLC_SCAN error (-22)
>>>>> [   22.632180] WLC_SCAN error (-22)
>>>>>
>>>>> [   11.270299] wl: loading out-of-tree module taints kernel.
>>>>> [   11.270302] wl: module license 'MIXED/Proprietary' taints kernel.
>>>>> [   11.272360] wl: module verification failed: signature and/or
>>>>> required
>>>>> key missing - tainting kernel
>>>>> [   11.387216] wl 0000:08:00.0 wlp8s0: renamed from eth0
>>>>> [   12.215523] IPv6: ADDRCONF(NETDEV_UP): wlp8s0: link is not ready
>>>>>
>>>>>
>>>>> Since only proprietary driver exists for this card, should I even
>>>>> bother
>>>>> debugging (how?) or is all hope lost? Wifi is super slow (100KB) and
>>>>> drops constantly.
>>>> Can you verify that the thing is connected to the correct wifi network,
>>>> on an uncluttered channel? Are you certain you don't have a different
>>>> Broadcom driver (e.g. b43 or bcma) loaded that might conflict?
>>>> ----------------------------------------------------------------------
>>>> - Rick Stevens, Systems Engineer, AllDigital    ricks@xxxxxxxxxxxxxx -
>>>> - AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
>>>> -                                                                    -
>>>> -      We are born naked, wet and hungry. Then things get worse.     -
>>>> ----------------------------------------------------------------------
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>>
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-- 
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital    ricks@xxxxxxxxxxxxxx -
- AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
-                                                                    -
-         Okay, who put a "stop payment" on my reality check?        -
----------------------------------------------------------------------
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