[Bug 277336] Occasional iwlwifi instability

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 27 Feb 2024 06:24:31 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277336

--- Comment #2 from rkoberman@gmail.com ---
I really did not look at this properly. When I looked at the full log, instead
of just doing a grep for iwlwifi in kernel messages. When I look at the whole
text of the incident, the outage was much more significant with the network
down for 1:33.

Feb 23 10:03:07 ptavv wpa_supplicant[414]: wlan0: WPA: Group rekeying completed
with c0:89:ab:60:ae:68 [GTK=TKIP]
Feb 23 10:03:07 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=c0:89:ab:60:ae:68 reason=0
Feb 23 10:03:07 ptavv kernel: wlan0: link state changed to DOWN
Feb 23 10:03:08 ptavv wpa_supplicant[414]: wlan0: Trying to associate with
c0:89:ab:60:ae:68 (SSID='babcom' freq=2412 MHz)
Feb 23 10:03:08 ptavv wpa_supplicant[414]: ioctl[SIOCS80211, op=21, val=0,
arg_len=42]: No such file or directory
Feb 23 10:03:08 ptavv wpa_supplicant[414]: wlan0: Association request to the
driver failed
Feb 23 10:03:08 ptavv kernel: iwlwifi0: Not associated and the session
protection is over already...
Feb 23 10:03:08 ptavv kernel: iwlwifi0: linuxkpi_ieee80211_connection_loss: vif
0xfffffe0166d6bdc0 vap 0xfffffe0166d6b010 state AUTH
Feb 23 10:03:13 ptavv wpa_supplicant[414]: wlan0: Authentication with
c0:89:ab:60:ae:68 timed out.
Feb 23 10:03:13 ptavv wpa_supplicant[414]: BSSID c0:89:ab:60:ae:68 ignore list
count incremented to 2, ignoring for 10 seconds
Feb 23 10:03:13 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=c0:89:ab:60:ae:68 reason=3 locally_generated=1
Feb 23 10:03:13 ptavv wpa_supplicant[414]: BSSID c0:89:ab:60:ae:68 ignore list
count incremented to 3, ignoring for 60 seconds
Feb 23 10:03:13 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DSCP-POLICY
clear_all
Feb 23 10:03:14 ptavv wpa_supplicant[414]: wlan0: Trying to associate with
c0:89:ab:60:ae:68 (SSID='babcom' freq=2412 MHz)
Feb 23 10:03:15 ptavv kernel: iwlwifi0: Not associated and the session
protection is over already...
Feb 23 10:03:15 ptavv kernel: iwlwifi0: linuxkpi_ieee80211_connection_loss: vif
0xfffffe0166d6bdc0 vap 0xfffffe0166d6b010 state ASSOC
Feb 23 10:03:24 ptavv wpa_supplicant[414]: wlan0: Authentication with
c0:89:ab:60:ae:68 timed out.
Feb 23 10:03:24 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=c0:89:ab:60:ae:68 reason=3 locally_generated=1
Feb 23 10:03:24 ptavv wpa_supplicant[414]: BSSID c0:89:ab:60:ae:68 ignore list
count incremented to 2, ignoring for 10 seconds
Feb 23 10:03:24 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DSCP-POLICY
clear_all
Feb 23 10:03:25 ptavv wpa_supplicant[414]: wlan0: Trying to associate with
c0:89:ab:60:ae:68 (SSID='babcom' freq=2412 MHz)
Feb 23 10:03:26 ptavv kernel: iwlwifi0: Not associated and the session
protection is over already...
Feb 23 10:03:26 ptavv kernel: iwlwifi0: linuxkpi_ieee80211_connection_loss: vif
0xfffffe0166d6bdc0 vap 0xfffffe0166d6b010 state ASSOC
Feb 23 10:03:35 ptavv wpa_supplicant[414]: wlan0: Authentication with
c0:89:ab:60:ae:68 timed out.
Feb 23 10:03:35 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=c0:89:ab:60:ae:68 reason=3 locally_generated=1
Feb 23 10:03:35 ptavv wpa_supplicant[414]: BSSID c0:89:ab:60:ae:68 ignore list
count incremented to 2, ignoring for 10 seconds
Feb 23 10:03:35 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED
id=1 ssid="babcom" auth_failures=1 duration=10 reason=CONN_FAILED
Feb 23 10:03:35 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DSCP-POLICY
clear_all
Feb 23 10:03:46 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-SSID-REENABLED
id=1 ssid="babcom"
Feb 23 10:03:46 ptavv wpa_supplicant[414]: wlan0: Trying to associate with
c0:89:ab:60:ae:68 (SSID='babcom' freq=2412 MHz)
Feb 23 10:03:47 ptavv kernel: iwlwifi0: Not associated and the session
protection is over already...
Feb 23 10:03:47 ptavv kernel: iwlwifi0: linuxkpi_ieee80211_connection_loss: vif
0xfffffe0166d6bdc0 vap 0xfffffe0166d6b010 state ASSOC
Feb 23 10:03:56 ptavv wpa_supplicant[414]: wlan0: Authentication with
c0:89:ab:60:ae:68 timed out.
Feb 23 10:03:56 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=c0:89:ab:60:ae:68 reason=3 locally_generated=1
Feb 23 10:03:56 ptavv wpa_supplicant[414]: BSSID c0:89:ab:60:ae:68 ignore list
count incremented to 2, ignoring for 10 seconds
Feb 23 10:03:56 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED
id=1 ssid="babcom" auth_failures=2 duration=35 reason=CONN_FAILED
Feb 23 10:03:56 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-DSCP-POLICY
clear_all
Feb 23 10:04:32 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-SSID-REENABLED
id=1 ssid="babcom"
Feb 23 10:04:32 ptavv wpa_supplicant[414]: wlan0: Trying to associate with
c0:89:ab:60:ae:68 (SSID='babcom' freq=2412 MHz)
Feb 23 10:04:32 ptavv wpa_supplicant[414]: wlan0: Associated with
c0:89:ab:60:ae:68
Feb 23 10:04:32 ptavv dhclient[32989]: send_packet: No buffer space available
Feb 23 10:04:32 ptavv wpa_supplicant[414]: wlan0: WPA: Key negotiation
completed with c0:89:ab:60:ae:68 [PTK=CCMP GTK=TKIP]
Feb 23 10:04:32 ptavv wpa_supplicant[414]: wlan0: CTRL-EVENT-CONNECTED -
Connection to c0:89:ab:60:ae:68 completed [id=1 id_str=]
Feb 23 10:04:32 ptavv kernel: wlan0: link state changed to UP
Feb 23 10:04:40 ptavv dhclient[32989]: unknown dhcp option value 0x7d
Feb 23 10:04:40 ptavv dhclient[23875]: New IP Address (wlan0): 192.168.1.5
Feb 23 10:04:40 ptavv dhclient[23879]: New Subnet Mask (wlan0): 255.255.255.0
Feb 23 10:04:40 ptavv dhclient[23883]: New Broadcast Address (wlan0):
192.168.1.255
Feb 23 10:04:40 ptavv dhclient[23887]: New Routers (wlan0): 192.168.1.1

Here are the details on my interface:
iwlwifi0@pci0:0:20:3:   class=0x028000 rev=0x01 hdr=0x00 vendor=0x8086
device=0x51f0 subvendor=0x8086 subdevice=0x0090
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-P PCH CNVi WiFi

I have rebuilt with the printf. The issue does not happen frequently, but I'll
post an update when it happens.

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