[Bug 271979] bsdinstall(8): iwlwifi(4): system crash when authenticating for Wi-Fi: panic: lkpi_sta_auth_to_scan: lsta 0x... state not NONE: 0, nstate 1 arg 1

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 21 Nov 2023 17:16:02 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271979

--- Comment #30 from Cheng Cui <cc@FreeBSD.org> ---
I found a good workaround. Basically, the following commands did the job
without scanning or restarting the wlan0 interface.

root@n1_iwl_vm:~ # ifconfig
lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
root@n1_iwl_vm:~ # 
root@n1_iwl_vm:~ # uname -a
FreeBSD n1_iwl_vm 15.0-CURRENT FreeBSD 15.0-CURRENT #19 main-488bc7e9a: Tue Nov
21 11:42:00 EST 2023    
root@n1_iwl_vm:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64

root@n1_iwl_vm:~ # pciconf -lv | grep -B3 network
iwlwifi0@pci0:0:5:0:    class=0x028000 rev=0x1a hdr=0x00 vendor=0x8086
device=0x2723 subvendor=0x8086 subdevice=0x0084
    vendor     = 'Intel Corporation'
    device     = 'Wi-Fi 6 AX200'
    class      = network
root@n1_iwl_vm:~ #

root@n1_iwl_vm:~ # ifconfig wlan0 create wlandev iwlwifi0 regdomain fcc country
US
root@n1_iwl_vm:~ # wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf
Successfully initialized wpa_supplicant
ioctl[SIOCS80211, op=20, val=0, arg_len=7]: Invalid argument
ioctl[SIOCS80211, op=20, val=0, arg_len=7]: Invalid argument

root@n1_iwl_vm:~ # ifconfig
lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=0
        ether e0:2e:0b:92:e5:82
        groups: wlan
        ssid SpectrumSetup-0F channel 157 (5785 MHz 11a) bssid
f4:69:42:57:3f:0e
        regdomain FCC country US authmode WPA2/802.11i privacy ON
        deftxkey UNDEF AES-CCM 2:128-bit txpower 23 bmiss 7 mcastrate 6
        mgmtrate 6 scanvalid 60 wme roaming MANUAL
        parent interface: iwlwifi0
        media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11a
        status: associated                                                     
<<< associated!
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

root@n1_iwl_vm:~ # dhclient wlan0
DHCPREQUEST on wlan0 to 255.255.255.255 port 67                                
<<< request IP addr through DHCP
DHCPACK from 192.168.1.1
Nov 21 11:51:35 n1_iwl_vm dhclient[654]: Bogus Host Name option 12: n1_iwl_vm
(n1_iwl_vm)
Bogus Host Name option 12: n1_iwl_vm (n1_iwl_vm)
bound to 192.168.1.214 -- renewal in 21600 seconds.

root@n1_iwl_vm:~ # ifconfig
lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=0
        ether e0:2e:0b:92:e5:82
        inet 192.168.1.214 netmask 0xffffff00 broadcast 192.168.1.255
        groups: wlan
        ssid SpectrumSetup-0F channel 157 (5785 MHz 11a) bssid
f4:69:42:57:3f:0e
        regdomain FCC country US authmode WPA2/802.11i privacy ON
        deftxkey UNDEF AES-CCM 2:128-bit txpower 23 bmiss 7 mcastrate 6
        mgmtrate 6 scanvalid 60 wme roaming MANUAL
        parent interface: iwlwifi0
        media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11a
        status: associated
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

root@n1_iwl_vm:~ # ping -c 3 -S 192.168.1.214 192.168.1.1
PING 192.168.1.1 (192.168.1.1) from 192.168.1.214: 56 data bytes
64 bytes from 192.168.1.1: icmp_seq=0 ttl=64 time=2.904 ms
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=1.073 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.924 ms

--- 192.168.1.1 ping statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 1.073/1.967/2.904/0.748 ms

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