Ubuntu 23 wlan hotspot not working

Bug #2037157 reported by Pierre Lauber
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This bug affects 1 person
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Ubuntu
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Bug Description

Since upgrade from Ubuntu 22 to 23, the WLAN hotspot does not yet work again -
neither using in-kernel nor the https://github.com/morrownr/ dkms driver after several updates.

See attached file wlan-hotspot-bug.syslog . Everything seems to start with the line

wpa_supplicant[717]: Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures

About this bug, one can find several solution trials on the internet. None of the one I tried worked.
It seems to be the one described in:
https://bugs.launchpad.net/ubuntu/+source/wpasupplicant/+bug/1886169
But, I am not totally sure.

Version infos:
Distribution "Ubuntu 23.04 (lunar)" .
wlan chipset is rtl8821cu .
kernel version is 6.2.0-32-generic .
gcc version 12.3.0 (Ubuntu 12.3.0-1ubuntu1~23.04) .

Revision history for this message
Pierre Lauber (pilauber) wrote :
Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Libera.chat.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/2037157/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

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