[sf-lug] thanks for the help : need help with wifi access

Wed Jan 9 12:30:30 PST 2019

oh: by "electronic shriek" I mean the
possibility that during the electronic
death of this external device, the
external device sent signals inbound
to my laptop that disrupted configuration.

On 1/9/19 12:05 PM, James Stockford wrote:
>
> info interspersed below.
>
> On 1/8/19 9:05 PM, Rick Moen wrote:
>> Quoting Jim Stockford (jim at well.com):
>>
>>> both Sunday, from Ken, Bobby, and John,
>>> and, hopefully, in subsequent emails.
>>>
>>> My Ubuntu 18.04 laptop was successfully
>>> using wifi until my wifi gizmo died, maybe
>>> with a last electronic shriek.
>> What the gehenna does the above mean?
>>
>> Some identified wifi gizmo _died_?
> I should have written "doohickey" rather than "gizmo".
> It was a hardware thing that's got Linksys written on it.
> It is a router plus a four-port switch plus antennae for
> a wifi access point, along with a dhcp server and other
> software. I do not know the correct name for these
> things. By "died" I mean is no longer electrically or
> otherwise functional.
>> What does 'died' mean in this
>> context?  What does 'electronic shriek' mean?  And what does the 'maybe'
>> signify in this context?  i.e., are you saying something happened, or
>> _not_ saying it happened?  Saying _maybe_ something happened tells your
>> readers nothing.
> I'm saying that not only did my doohickey die, but my laptop's
> ability to use wi-fi ceased, if not deceased. I'm guessing that
> the death of the doohickey somehow created damage to my
> laptop's networking software. The IP address for my laptop
> changed from 192.168.1.something to 169.?.?.?
>> Whatever 'died' means, do you mean that you subsequently got and
>> installed a new one?  What's the new one?
> Yes, I took the dead doohickey to Actnet Computer, on
> Judah at 27th. They confirmed it was non-functional and
> sold me a used similar doohickey that says Linksys on it
> and works. Below "Linksys" is printed EA6900.
>> Is the new one perhaps an Intel Wireless-AC model 9260-series
>> wireless/Bluetooth card in M.2 2230 physical format, one like this (as
>> suggested by your dmesg output)?
>> https://www.amazon.com/Intel-Wireless-Ac-9260-2230-Gigabit/dp/B079QJQF4Y
>> My point is, you haven't even told us what the wireless hardware in
>> question _is_ (make and model), let alone why it should be surprising to
>> have a lack of functionality if something 'died'.
> I hope that's cleared up.
>> Maybe you should back up and start over, because the entire anecdote
>> starts out hopelessly confused.  Include a coherent account of what you
>> mean when you say that your gizmo 'died', please.
>>
>> And, when you do that, you should consider writing a Subjet header more
>> descriptive than 'tahnks for the help'.
>>> I've got wired networking up, but not wifi. So far I've encountered
>>> only the unhelpful tips via the internet.
>> But you don't bother saying what the exact symptom is,
>> JS: the symptoms are that my laptop does not show any
>> wifi access points, none at all, and that using Settings
>> and choosing "Wi-Fi" the information panel shows "No Wi-Fi
>> Adaptor <CR> Make sure you have a Wi-Fi adapter plugged
>> and turned on"
>> The physical wifi components are built-in, probably on
>> the motherboard. This is a ZaReason re-branded laptop that
>> ZaReason labels it Ultralap 6440 i5"
>>
>> or what you've so
>> far done to investigate,  except:
>>
>>
>>> When I use the settings feature for wifi,
>>> the system returns "No Wi-Fi Adapter Found
>>> Make sure you have a wifi adapter plugged and turned on"
>> Speaking for myself, I have absolutely no idea what you mean when you
>> say 'the settings feature for wifi', but I'm guessing that you're making
>> a vague reference to some GNOME DE thing (that gives nearly totally
>> useless problem feedback).
>>
>> You should run iwconfig -- to see what interfaces are valid.
> Thank you!
>
> # iwconfig
> lo        no wireless extensions.
>
> enp58s0f1  no wireless extensions.
>
> wlp59s0   IEEE 802.11  ESSID:off/any
>           Mode:Managed  Access Point: Not-Associated Tx-Power=off
>           Retry short limit:7   RTS thr:off   Fragment thr:off
>           Encryption key:off
>           Power Management:on
>> Just running through marginally relevant suggestions you find on
>> https://ubuntuforums.org/ is a poor substitute for diagnosis and
>> testing.
>> JS: I don't know what to do. I'm guessing trying things
>> in some sequence.
>>
>>
>> What wouldn't hurt is removing and then reloading the iwlwifi module:
>>
>> $ sudo modprobe -r iwlwifi
>> $ sudo modprobe iwlwifi
>>
>> JS: DONE. Need to reboot?
>> Results were to turn Airplane Mode on. I turned it off.
>>> root at UltraLap-6440:~# lspci
>>> 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core
>>> Processor Host Bridge/DRAM Registers (rev 08)
>>> 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics
>>> 620 (rev 07)
>>> 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0
>>> xHCI Controller (rev 21)
>>> 00:14.2 Signal processing controller: Intel Corporation Sunrise
>>> Point-LP Thermal subsystem (rev 21)
>>> 00:16.0 Communication controller: Intel Corporation Sunrise Point-LP
>>> CSME HECI #1 (rev 21)
>>> 00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA
>>> Controller [AHCI mode] (rev 21)
>>> 00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express
>>> Root Port (rev f1)
>>> 00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express
>>> Root Port #5 (rev f1)
>>> 00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express
>>> Root Port #6 (rev f1)
>>> 00:1f.0 ISA bridge: Intel Corporation Device 9d4e (rev 21)
>>> 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC 
>>> (rev 21)
>>> 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio 
>>> (rev 21)
>>> 00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
>>> 3a:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd.
>>> RTL8411B PCI Express Card Reader (rev 01)
>>> 3a:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd.
>>> RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
>>> 3b:00.0 Network controller: Intel Corporation Device 2526 (rev 29)
>>>
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>
>
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