Public bug reported:
how to reproduce:
dd the iso to an usb drive and boot from it.
List all wifi devices in live-mode and connect to one of it. Use the web for
some minutes. Open up the wifi on the top right again and list the available
networks - it dont show any others any more. Just the one you are connected to.
How to overcome the bug: put the computer into airplane mode and go away
from airplane mode again. Or: disconnect the usb wifi device and connect
it again.
Does this bug exist also on installed 18.04 and updated to last (apt update,
apt upgrade, apt dist-upgrade)?
Yes
What wifi device is been used:
ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3572, rev 0223 detected
ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0009 detected
ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
usbcore: registered new interface driver rt2800usb
...
ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file
'rt2870.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version:
0.36
uname -a
Linux t 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
** Affects: ubuntu
Importance: Undecided
Status: Confirmed
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https://bugs.launchpad.net/bugs/1769480
Title:
Ubuntu 18.04 - networkmanager dont show other wifi after few minutes
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