AP doesn't work at 5 GHz after upgrading hostapd from 2.10 to 2.11

[me at beroal.in.ua]

26.12.2024 11:42, Jouni Malinen пишет:
> On Fri, Nov 08, 2024 at 02:09:32PM +0200,me at beroal.in.ua wrote:
>> Hi. I set up my Wi-Fi USB dongle EDUP AC1200 2.4 GHz / 5 GHz (the Realtek
>> RTL8812BU chipset inside, driver
>> https://aur.archlinux.org/packages/rtl88x2bu-dkms-git/ ) as a Wi-Fi access
>> point in the 5 GHz band. After upgrading hostapd from version 2.10 to
>> version 2.11 the AP stopped working. I see the AP in WiFiAnalyzer, but with
>> a narrower channel (20 MHz instead of 80 MHz). The first smartphone sees the
>> AP, but can't connect. The second smartphone see the AP, says that it uses
>> WEP (which isn't correct), and asks for a password. It shouldn't ask for a
>> password because it remembers the password. I can't enter my password anyway
>> probably because WEP restricts its length too much. When I switch to the old
>> version of hostapd, all smartphones connect without asking for a password. I
>> can make the 2.11 version of hostapd work in the 2.4 GHz band though.
> Would you happen to have means for capturing a full Beacon frame from
> that AP? I'd like to see what exactly it ends up including, i.e.,
> whether this truly is just because of the DSSS Parameter Set element
> being removed or whether there could be something else involved with
> this.

I'm afraid I do not. Can you describe these means in more detail? The 
only Wi-Fi cards that can work in the 5 GHz band that I have are 
embedded into these two Android smartphones. AFAIK, Android restricts 
what you can run very much.