Re: Buster on laptop cannot find Nokia 3 hotspot...

[Nimrod <nimrod@virgilio.it>]

On Thu, 2019-08-08 at 01:02 +0100, nektarios wrote:

On Wed, 07 Aug 2019 23:05:13 +0200

Nimrod <

nimrod@virgilio.it

> wrote:

On Wed, 2019-08-07 at 14:45 -0400, bw wrote:

In-Reply-To:

<

[🔎] c5618c98-2bad-490f-8ae5-61191e1d9e7d@email.android.com">

[🔎] c5618c98-2bad-490f-8ae5-61191e1d9e7d@email.android.com

>  

    2) The output of `iwlist scan` to see if the network you

re  looking for is detected from the hardware.  

This is interesting, I didn't know this command. It would rather

strange if the hotspot is shown by the above command but not by

Network Manager.  

No, it would not be strange at all.  Network-manager is in it's own

time-zone, and is often rather strange and hard to figure

out.  Sometimes you must be patient, it does not scan immediately.

For CLI tools I prefer 'iw' to the older iwlist command, but either

may help you.  If the device is scanning and finding other ap, then

it probably is a network-manager quirk.  It often

misses/adds/deletes aps from the list IME.  

I tried iw while Network Manager was not finding my hotspot, and iw

found it instead.

But suddenly NM found it too! Last time it worked was several days

ago. I really can't understand. I'm happy it's working now, but I'm

afraid it will stop working sooner or later. I restarted several

times both laptop and hotspot, using both Gnome Shell and Mate, and

the hotspot always appeared almost immediately, as it was used to do

before. I then turned on another Nokia 3 hotspot (I have three

identical smartphone, mine and those of my sons). The second one is

still invisible, while other devices, including my own smartphone, can

connect to it with no problems.

Issuing iw scan now has no effect.

For everyone who answered here is the output of dmesg | grep wl:

[   10.811861] wlan0: Broadcom BCM4315 802.11 Hybrid Wireless

Controller 6.30.223.271 (r587334)[   11.084358] wl 0000:02:00.0 wls1:

renamed from wlan0[   16.562792] IPv6: ADDRCONF(NETDEV_UP): wls1: link

is not ready[   17.614802] IPv6: ADDRCONF(NETDEV_UP): wls1: link is

not ready[  161.102549] IPv6: ADDRCONF(NETDEV_CHANGE): wls1: link

becomes ready[  725.746601] IPv6: ADDRCONF(NETDEV_UP): wls1: link is

not ready[  725.770340] ERROR @wl_cfg80211_scan : [  729.858749] IPv6:

ADDRCONF(NETDEV_CHANGE): wls1: link becomes ready[ 1264.074169] IPv6:

ADDRCONF(NETDEV_UP): wls1: link is not ready[ 1537.300735] IPv6:

ADDRCONF(NETDEV_CHANGE): wls1: link becomes ready[ 1540.111204] IPv6:

ADDRCONF(NETDEV_UP): wls1: link is not ready[ 1655.286877] IPv6:

ADDRCONF(NETDEV_CHANGE): wls1: link becomes ready[ 1821.082896] IPv6:

ADDRCONF(NETDEV_UP): wls1: link is not ready[ 1845.425123] IPv6:

ADDRCONF(NETDEV_CHANGE): wls1: link becomes ready[ 1849.392169] IPv6:

ADDRCONF(NETDEV_UP): wls1: link is not ready[ 1909.187372] IPv6:

ADDRCONF(NETDEV_UP): wls1: link is not ready[ 1909.219378] ERROR

@wl_cfg80211_scan : [ 1909.248580] ERROR @wl_cfg80211_scan : 

After the link became ready, I disabled wifi intentionally, and

reenabled after some seconds. Also, I tried many time "iw scan".

I can provide other data if you need it, just tell me.

Many thanks.

Good Luck,bw  

`iwlist` command was very useful to me once debugging a raspberi pi

with failing wireless adapter (networks appearing and disappearing).

Sorry for the long delay, I had no connection till now.

iwlist doesn't show the Nokia 3 hotspot, while it shows any other kind of hotspot, AP, SSID etc... round here.

Tbh the errors there don't look good but not serious either. 

If the related output from `iwlist scan` shows only 2.4 Ghz networks (it

maybe detecting only networks in the 2.4 GHz - if your nic is old).

`lshw` output might be of use if you know what hardware you have in the

laptop as a driver/device mismatch might cause the device not work very

well (I ve seen it once only with usb wireless adapter).

Here is the output of lshw, limited to the wireless interface:

*-network

             description: Wireless interface

                product: BCM4312 802.11b/g LP-PHY

                vendor: Broadcom Limited

                physical id: 0

                bus info: pci@0000:02:00.0

                logical name: wls1

                version: 01

                serial: 00:21:00:81:d9:85

                width: 64 bits

                clock: 33MHz

                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless

                configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) latency=0 multicast=yes wireless=IEEE 802.11

                resources: irq:17 memory:d4700000-d4703fff

Best regards.

Regards