Re: LinuxKPI (iwlwifi, rtw8x) Please test! Important! (in stable/15 in three days)

On Thu, Mar 5, 2026 at 3:59 PM Bjoern A. Zeeb <bz@freebsd.org> wrote:
>
> In the last 48 hours I pushed the next round of LinuxKPI 802.11
> changes which would be good to validate on a wide set of chipsets
> and supported drivers.  One of them fixed a firmware crash, another
> one re-enabled some code again which was silently not doing its things
> due to Linux KPI changes (and surprisingly most of it worked anyway the
> last months).

 Unfortunately I am observing regression so my

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

can't connect to 2.4 Ghz access point again

rtw880: lkpi_sta_scan_to_auth:2575: lvif 0xfffffe01146ba000 vap
0xfffffe01146ba010 iv_bss 0xfffffe011463e000 lvif_bss 0 lvif_bss->ni 0
synched 0, ni 0xfffffe0115ba2000 lsta 0xfffff80042084000
rtw880: lkpi_sta_a_to_a:3418: lvif 0xfffffe01146ba000 vap
0xfffffe01146ba010 iv_bss 0xfffffe011463e000 lvif_bss
0xfffff80042084000 lvif_bss->ni 0xfffffe0115ba2000 synched 0
rtw880: lkpi_iv_newstate: error 95 during state transition 2 (AUTH) -> 2 (AUTH)
rtw880: lkpi_sta_auth_to_assoc:2660: lvif 0xfffffe01146ba000 vap
0xfffffe01146ba010 iv_bss 0xfffffe011463e000 lvif_bss
0xfffff80042084000 lvif_bss->ni 0xfffffe0115ba2000 synched 0
rtw880: lkpi_iv_newstate: error 95 during state transition 2 (AUTH) -> 3 (ASSOC)


> I can only emphasize that all your testing will help us with what will be
> shipping in 15.1-R.  The earlier we catch possible problems the more likely
> your wifi will work in the release!
>
> Lots of health and joy,
> /bz
>
> --
> Bjoern A. Zeeb                                                     r15:7
>