Re: Please test iwlwifi/rtw88/rtw89 now

From: Bjoern A. Zeeb <bz_at_freebsd.org>
Date: Mon, 06 Oct 2025 14:12:54 UTC
On Tue, 23 Sep 2025, Oleg Nauman wrote:

Hi,

brief update.

> On Fri, Sep 5, 2025 at 5:08 PM Bjoern A. Zeeb <bz@freebsd.org> wrote:
>>
>> On Fri, 5 Sep 2025, Oleg Nauman wrote:
>>
>>> On Wed, Sep 3, 2025 at 12:06 AM Bjoern A. Zeeb <bz@freebsd.org> wrote:
>>>>
>>>> Hi,
>>>>
>>>> with the changes (especially for scanning--rtw88) and all the other
>>>> minor details gone in the last days I would love to ask people to test
>>>> as much as they can on main before I'll merge to stable/14 and also
>>>> given stable/15 is imminent.
>>>
>>> Unfortunately rtw88 now ( CURRENT revision d3462294c1f0 ) can't
>>> associate with access points while It was working in 659962f96a15 (
>>> Jul 29 )
>>>
>>> rtw880@pci0:2:0:0:      class=0x028000 rev=0x00 hdr=0x00 vendor=0x10ec
>>> device=0xc821 subvendor=0x1a3b subdevice=0x3040
>>>    vendor     = 'Realtek Semiconductor Co., Ltd.'
>>>    device     = 'RTL8821CE 802.11ac PCIe Wireless Network Adapter'
>>>    class      = network
>>>
>>> wlan2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
[...]
>> ...
>>
>> This is like net80211 battling against itself.  Starts a connection and
>> then (likely wpa_supplicant) triggers a new one and the previous one
>> gets abandoned.  It's the very old problem which kept iwlwifi from
>> working so long (along with the fact that we have to unlock/re-lock).
>>
>> Can you check wpa_supplicant logging what it says?  Authentication timed out?
>
> Please let me remind
>
> Output of wpa_supplicant log provided below
>
[...]
>
>>
>>> Sep  5 08:41:41 kernel: [95] rtw880: lkpi_stop_hw_scan: failed to cancel scan: 35 (0xfffffe011439f240, 0xfffffe01155d0f00)
>>
>> What wonders me a lot more is this.

It's on releng's open issues list now [1] as I notified them.

I also just strated a clean main build to look into it as time permits; please stay tuned.

/bz


[1] https://wiki.freebsd.org/Releng/15.0ISSUES

-- 
Bjoern A. Zeeb                                                     r15:7