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

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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

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up



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