Re: 15-STABLE: if_iwlwifi dysfunctional ...

Reply: Adrian Chadd : "Re: 15-STABLE: if_iwlwifi dysfunctional ..."
Reply: Bjoern A. Zeeb: "Re: 15-STABLE: if_iwlwifi dysfunctional ..."
In reply to: Bjoern A. Zeeb: "Re: 15-STABLE: if_iwlwifi dysfunctional ..."
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From: FreeBSD User <freebsd_at_walstatt-de.de>
Date: Sat, 29 Nov 2025 11:34:32 UTC
On Fri, 28 Nov 2025 17:20:43 +0000 (UTC)
"Bjoern A. Zeeb" <bz@FreeBSD.org> wrote:

> On Fri, 28 Nov 2025, FreeBSD User wrote:
> 
> > Running 15-STABLE (15.0-STABLE #16 stable/15-n281349-b903f27e171b: Fri Nov 28 05:20:32
> > CET 2025 amd64) on a Lenovo T580 laptop. The system is equipted with an Intel i8265/8275
> > WiFi chipset (for recognized technical details see below).
> > [...]
> >
> > From my perseptive anything seems to be OK:
> >
> > [...]
> > end FB_INFO
> > iwlwifi0: <iwlwifi> mem 0xe8100000-0xe8101fff at device 0.0 on pci2
> > iwlwifi0: Detected crf-id 0xbadcafe, cnv-id 0x10 wfpm id 0x80000000
> > iwlwifi0: PCI dev 24fd/0010, rev=0x230, rfid=0xd55555d5
> > iwlwifi0: Detected Intel(R) Dual Band Wireless-AC 8265
> > iwlwifi0: successfully loaded firmware image 'iwlwifi-8265-36.ucode'
> > iwlwifi0: loaded firmware version 36.ca7b901d.0 8265-36.ucode op_mode iwlmvm
> > iwlwifi0: base HW address: MACxxxxxMAC , OTP minor version: 0x0
> > hms0: <Logitech Wireless Receiver Mouse> on hidbus0
> > hms0: 5 buttons and [XYW] coordinates ID=1
> > [...]
> >
> > I'm unable to connect to any access point. I use at home a OpenWRT based AP with latest
> > firmware, connecting with the Linux- and Windows hosts of my employer (so: functionality
> > at a basic level guaranteed). FreeBSD - 14-STABLE (last time I used until branch of
> > 16-CURRENT) and 15-STABLE do not. A similar misbehaviour is observed when trying to
> > access APs at several campi via "eduroam" - the hardware behind those APs is probably
> > Cisco technology, I do not know.
> >
> > The log and console are filled with "dramatic" messages like
> >
> > iwlwifi0: lkpi_sta_scan_to_auth:2419: lvif 0xfffffe00c3307000 vap 0xfffffe00c3307010 iv_bss 0xfffffe00b4135000 lvif_bss 0 lvif_bss->ni 0 synched 0, ni 0xfffffe00c2bf4000 lsta
> > 0xfffff8002e01e800 iwlwifi0: lkpi_iv_newstate: error 95 during state transition 2 (AUTH) -> 2 (AUTH)  
> 
> This is net80211 chaning the iv_bss under us.
> 
> > wlan0: link state changed to UP
> > wlan0: link state changed to DOWN
> > wlan0: link state changed to UP
> > wlan0: link state changed to DOWN
> > wlan0: link state changed to UP
> > wlan0: link state changed to DOWN  
> 
> This indicates that you get associated.  Hard to say without timestamps but ...
> 
> > iwlwifi0: Not associated and the time event is over already...
> > iwlwifi0: linuxkpi_ieee80211_connection_loss: vif 0xfffffe00c3307f00 vap 0xfffffe00c3307010 state ASSOC (synched 1, assoc 0 beacons 0 dtim_period 0)  
> 
> But then things are timing out.
> 
> That is a problem Oleg has reported on rtw88, I had last night with an AX101 but after a reboot was gone again, ...
> 
> 
> > iwlwifi0: fail to flush all tx fifo queues Q 5
> > iwlwifi0: Queue 5 is active on fifo 3 and stuck for 10000 ms. SW [2, 3] HW [2, 3] FH TRB=0x080305002  
> 
> This is the 2nd report I lately got with queue stuck.
> 
> > wlan0: link state changed to UP
> > wlan0: link state changed to DOWN
> > iwlwifi0: Not associated and the time event is over already...
> > iwlwifi0: linuxkpi_ieee80211_connection_loss: vif 0xfffffe00c3307f00 vap 0xfffffe00c3307010 state ASSOC (synched 1, assoc 0 beacons 0 dtim_period 0)  
> 
> > iwlwifi0: fail to flush all tx fifo queues Q 5
> > iwlwifi0: Queue 5 is active on fifo 3 and stuck for 10000 ms. SW [2, 3] HW [2, 3] FH TRB=0x080305002
> > wlan0: link state changed to UP
> > wlan0: link state changed to DOWN
> > [...]
> >
> > I'm helpless here ...  
> 
> What would be interesting to me:
> 
> What does wpa_supplicant say?  What are the errors?
> 
> I am thinking of messages like:
> Nov 27 18:37:59 x wpa_supplicant[5946]: wlan0: Authentication with xx:xx:xx:xx:xx: timed out.
> Nov 27 19:30:02 x wpa_supplicant[5689]: wlan0: CTRL-EVENT-DISCONNECTED bssid=xx:xx:xx:xx:xx:xx reason=3 locally_generated=1
> 

Hello,

I guess you mean the output wpa_cli showing some debug info? If not,please point me to the correct output
 you desire to investigate. Attached I will provide a /var/log/messages excerpt.

[...]
> relog 
OK
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-SSID-REENABLED id=0 ssid="AP-WiFi"
<3>Added BSSID SOMEMAC0 into ignore list, ignoring for 10 seconds
<3>Trying to associate with SOMEMAC0 (SSID='AP-WiFi' freq=2437 MHz)
<3>Associated with SOMEMAC0
<4>WPA: Failed to configure IGTK to the driver
<3>RSN: Failed to configure IGTK
<3>CTRL-EVENT-DISCONNECTED bssid=SOMEMAC0 reason=1 locally_generated=1
<3>BSSID SOMEMAC0 ignore list count incremented to 2, ignoring for 10 seconds
<3>CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="AP-WiFi" auth_failures=31 duration=120 reason=CONN_FAILED
<3>CTRL-EVENT-DSCP-POLICY clear_all
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>Removed BSSID fa:bf:9e:3a:43:bf from ignore list (clear)
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-SSID-REENABLED id=1 ssid="Alt-AP"
<3>Added BSSID SOMEMAC into ignore list, ignoring for 10 seconds
<3>Trying to associate with SOMEMAC1 (SSID='Alt-AP' freq=2437 MHz)
<3>Associated with SOMEMAC1
<4>WPA: Failed to configure IGTK to the driver
<3>RSN: Failed to configure IGTK
<3>CTRL-EVENT-DISCONNECTED bssid=SOMEMAC1 reason=1 locally_generated=1
<3>BSSID SOMEMAC1 ignore list count incremented to 2, ignoring for 10 seconds
<3>CTRL-EVENT-SSID-TEMP-DISABLED id=1 ssid="Alt-AP" auth_failures=31 duration=120 reason=CONN_FAILED
<3>CTRL-EVENT-DSCP-POLICY clear_all
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>Removed BSSID SOMEMAC from ignore list (clear)
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 
<3>WPS-AP-AVAILABLE 
<3>CTRL-EVENT-NETWORK-NOT-FOUND 
<3>CTRL-EVENT-SCAN-RESULTS 



> 
> 
> 
> 
> > [... pciconf ...]
> > # pciconf -lvceb iwlwifi0@pci0:4:0:0
> > iwlwifi0@pci0:4:0:0:    class=0x028000 rev=0x78 hdr=0x00 vendor=0x8086 device=0x24fd subvendor=0x8086 subdevice=0x0010
> >    vendor     = 'Intel Corporation'
> >    device     = 'Wireless 8265 / 8275'  
> 
> 
>