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Re: [REGRESSION] hostapd 2.4..2.7 broken with 4.18+

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On 1/11/2019 3:15 PM, Russell King - ARM Linux wrote:
On Wed, Jan 09, 2019 at 10:56:22AM +0000, Russell King - ARM Linux wrote:
On Wed, Jan 09, 2019 at 11:27:31AM +0100, Arend Van Spriel wrote:
On 1/9/2019 12:26 AM, Russell King - ARM Linux wrote:
On Tue, Jan 08, 2019 at 06:40:46PM +0200, Kalle Valo wrote:
Arend Van Spriel <arend.vanspriel@xxxxxxxxxxxx> writes:

Response using Gmail on phone

Unfortunately it had HTML and not sure if it made it to the list, so
copying your response in full below just in case. Russell, does the
commit below fix your problem?

861cb5eb467f brcmfmac: Fix access point mode

 From a quick test this evening, it does seem to allow brcmfmac to work
with hostapd again, which is good news.

However, I've been seeing other issues with the brcmfmac over the course
of the last week, which needs the brcmfmac module to be removed and
re-loaded to rescue the situation - ultimately, it means that running
brcmfmac in host AP mode is unreliable.  This is with 4.19 and my
patch - we will see how 4.20 with the above mentioned patch behaves over
the coming week.

[1036107.225569] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[1036108.217519] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[1043906.813243] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[1043907.809184] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[1044220.587626] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[1045006.357728] br0: received packet on wlan0 with own address as source address (addr:6c:ad:f8:05:0d:81, vlan:0)
[1049743.889412] br0: received packet on wlan0 with own address as source address (addr:6c:ad:f8:05:0d:81, vlan:0)
[1061305.953430] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[1061308.641378] brcmfmac: send_key_to_dongle: wsec_key error (-110)
[1061309.665234] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[1061312.993053] brcmfmac: brcmf_cfg80211_change_station: Setting SCB (de-)authorize failed, -110

Is this with hostapd? If so, this br0 message suggest you let hostapd create
a bridge, is that correct? Just trying to get a good picture in case I want
to replicate things over here although I am pretty sure I do not have the
same platform lying around here. Although, what platform do you have?

Yes, it's with hostapd.  With the nl80211 driver, hostapd will only add
the device to a bridge, rather than creating the bridge itself.

I'm using Debian Stretch, and my /etc/network/interfaces contains:

iface br0 inet manual
         bridge-ports eth0.nnn
         bridge-maxwait 0

iface eth0.224 inet manual

iface wlan0 inet manual
         pre-up nmcli d set wlan0 managed no
         hostapd /etc/hostapd/rmk-home.conf

and these are scripted to be brought up in the order: eth0.224, then
br0, then wlan0.

These are iMX6 Hummingboards - one is a Hummingboard2, the other is
a Hummingboard.  Both have the 4330 device on, and both are running
the same firmware.

The timeout (-110) error can mean either firmware crashed or the sdio host
controller went in limbo. If this happens again on 4.20 (or 5.0-rc1), you
could build the driver with CONFIG_BRCMDBG and load the driver with
debug=0x100010. If it is a firmware crash it should show up in the log.

Interestingly, I've just checked another Hummingboard2 running in
hostapd mode (with a 4.13 kernel) which had been up for over a year
until I recently did some maintenance on it.  It has a later firmware
and hasn't shown a problem.

brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Jan 23 2013 17:47:32 version 5.90.195.114 FWID 01-f9e7e464

so I wonder if it's just that the firmware in the Debian package
(firmware-brcm80211) is outdated.  Any ideas why distros don't
carry the 2013 firmware?

Okay, it's happened again - leading up to the event:

[52429.342374] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[52431.902035] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[52431.910749] brcmfmac: brcmf_cfg80211_get_station: GET STA INFO failed, -110
[64477.184237] br0: received packet on wlan0 with own address as source address (addr:6c:ad:f8:05:0d:81, vlan:0)
[72565.439122] br0: received packet on wlan0 with own address as source address (addr:6c:ad:f8:05:0d:81, vlan:0)

and I guess this is where things went pear shaped:

[77842.523962] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[77843.515863] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[78439.934016] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[78440.921980] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[81442.351749] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[81443.343667] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[157822.092920] br0: received packet on wlan0 with own address as source address (addr:6c:ad:f8:05:0d:81, vlan:0)
[209836.023622] brcmfmac: brcmf_netdev_wait_pend8021x: Timed out waiting for no pending 802.1x packets
[209838.651573] brcmfmac: send_key_to_dongle: wsec_key error (-110)
[209843.515226] brcmfmac: brcmf_cfg80211_del_station: SCB_DEAUTHENTICATE_FOR_REASON failed -110
[219678.790941] br0: received packet on wlan0 with own address as source address (addr:6c:ad:f8:05:0d:81, vlan:0)

I'm now going to try with the later firmware:

brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4330/4 wl0: Jan 23 2013 17:47:32 version 5.90.195.114 FWID 01-f9e7e464

Could you try the compile and load test I suggested earlier. I will try to replicate things over here as well.

Regards,
Arend



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