Date: Sun, 7 Aug 2022 17:30:43 -0700 From: Bakul Shah <bakul@iitbombay.org> To: "Bjoern A. Zeeb" <bz@FreeBSD.org> Cc: FreeBSD wireless mailing list <wireless@freebsd.org> Subject: Re: New iwlwifi firmware for testing in main Message-ID: <E6034B2C-17C3-48FC-B5D8-E4A2612BC52B@iitbombay.org> In-Reply-To: <alpine.BSF.2.00.2208080002420.68830@ai.fobar.qr> References: <alpine.BSF.2.00.2207310046220.68830@ai.fobar.qr> <94EE09A2-C890-4450-8A52-D0A8E1AA9FF5@iitbombay.org> <alpine.BSF.2.00.2208021959390.68830@ai.fobar.qr> <E533E61A-4F2B-45E1-BE87-5CD026E9FD99@iitbombay.org> <alpine.BSF.2.00.2208072140280.68830@ai.fobar.qr> <9760D163-2882-489A-AD17-A77729303944@iitbombay.org> <alpine.BSF.2.00.2208080002420.68830@ai.fobar.qr>
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On Aug 7, 2022, at 5:13 PM, Bjoern A. Zeeb <bz@FreeBSD.org> wrote:
>=20
> On Sun, 7 Aug 2022, Bakul Shah wrote:
>=20
>>=20
>> in /etc/rc.conf changed
>> ifconfig_wlan0=3D"WPA DHCP"
>> to
>> ifconfig_wlan0=3D"WPA inet 192.168.123.45 netmask 255.255.255.0"
>>=20
>> and
>> # service netif restart wlan0
>=20
> That's a slightly different story than I thought. Good you mentioned!
> I was assuming adding the static address makes it crash at boot time
> already every time.
>=20
> The fact that you are now taearing an interface down, destroying the
> clone and trying to create a new one goes by the documented fact of
> stability problems and synching state as still listed on the Wiki.
>=20
> I wonder if I can ask you to do yet another test? Does the same thing
> happenif you simply run the service command without any changes to the
> configuration?
>=20
> (1) boot up
> (2) wait a bit, possibly until it associated.
> (3) please make no changes whatsoever
> (4) run `service netif restart wlan0` and see if that panics too?
>=20
> The reason I am asking is that I dont' have to spend time then to
> try to make it break with a static IP address (which I failed based on
> past reports) and the problem description simply is "restarting the
> interface makes it crash".
If I use the static address, on reboot it panics as before.
If I use dhcp, on reboot it associates fine. Then if I restart,
it takes a few seconds to associate but it does come up:
# service netif restart wlan0
Aug 7 10:21:59 xxxx dhclient[836]: My address (192.168.123.45) was =
deleted, dhclient exiting
Stopping wpa_supplicant.
Waiting for PIDS: 622.
Aug 7 10:21:59 xxxx dhclient[836]: connection closed
Aug 7 10:21:59 xxxx dhclient[836]: exiting.
Stopping Network: wlan0.
wlan0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 12:34:56:78:9a:bc
groups: wlan
ssid "" channel 10 (2457 MHz 11g)
regdomain FCC country US authmode OPEN privacy OFF txpower 30 =
bmiss 7
scanvalid 60 protmode CTS wme
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
iwlwifi0: iwl_trans_send_cmd bad state =3D 0
iwlwifi0: Failed to remove MAC context: -5
Destroyed wlan(4) interfaces: wlan0.
net.wlan.0.debug: 0x0 =3D> =
0x11c91000<crypto,node,assoc,auth,state,dot1xsm,wpa>
Created wlan(4) interfaces: wlan0.
Starting wpa_supplicant.
Aug 7 10:21:59 xxxx wpa_supplicant[1119]: ioctl[SIOCS80211, op=3D20, =
val=3D0, arg_len=3D7]: Invalid argument
Starting Network: wlan0.
wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
ether 12:34:56:78:9a:bc
groups: wlan
ssid "" channel 1 (2412 MHz 11b)
regdomain FCC country US authmode OPEN privacy OFF txpower 30 =
bmiss 7
scanvalid 60 wme bintval 0
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
10:21:59 xxxx:/usr/home/bakul 971# iwlwifi0: Not associated and the time =
event is over already...
10:22:03 xxxx:/usr/home/bakul 971# 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=3D0x080305001
10:22:05 xxxx:/usr/home/bakul 971# ifconfig wlan0
wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
ether 12:34:56:78:9a:bc
groups: wlan
ssid "" channel 4 (2427 MHz 11g)
regdomain FCC country US authmode WPA2/802.11i privacy ON
deftxkey UNDEF txpower 30 bmiss 7 scanvalid 60 protmode CTS wme
roaming MANUAL
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
status: no carrier
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
10:22:10 xxxx:/usr/home/bakul 972# Aug 7 10:21:59 xxxx syslogd: last =
message repeated 1 times
Aug 7 10:22:12 xxxx dhclient[1162]: send_packet: No buffer space =
available
ifconfig wlan0
wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
ether 12:34:56:78:9a:bc
inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
groups: wlan
ssid yyyy channel 10 (2457 MHz 11g) bssid 34:56:78:9a:bc:de
regdomain FCC country US authmode WPA2/802.11i privacy ON
deftxkey UNDEF AES-CCM 2:128-bit txpower 30 bmiss 7 scanvalid 60
protmode CTS wme roaming MANUAL
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11g
status: associated
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
10:22:15 xxxx:/usr/home/bakul 972# ifconfig wlan0
wlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
ether 12:34:56:78:9a:bc
inet 192.168.123.45 netmask 0xffffff00 broadcast 192.168.123.255
groups: wlan
ssid yyyy channel 10 (2457 MHz 11g) bssid 34:56:78:9a:bc:de
regdomain FCC country US authmode WPA2/802.11i privacy ON
deftxkey UNDEF AES-CCM 2:128-bit txpower 30 bmiss 7 scanvalid 60
protmode CTS wme roaming MANUAL
parent interface: iwlwifi0
media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11g
status: associated
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
10:22:20 xxxx:/usr/home/bakul 972# ping google.com
PING google.com (74.125.136.139): 56 data bytes
64 bytes from 74.125.136.139: icmp_seq=3D0 ttl=3D50 time=3D67.761 ms
^C
--- google.com ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/stddev =3D 67.761/67.761/67.761/0.000 ms
10:23:17 xxxx:/usr/home/bakul 973#=
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