Re: QCA9984 all devices being de-authenticated and unable to re-connect

[Ben Greear <greearb@candelatech.com>]

Try down this page a bit, you just need to copy the firmware-5.bin and reboot usually.

https://www.candelatech.com/ath10k-bugs.php

Thanks,
Ben

On 04/01/2019 04:04 PM, Carlito Nueno wrote:
> Hi Ben,
>
> Can you tell me how I can compile ath10k-ct firmware version present
> in 18.06.2 into the latest snapshot?
>
> I want to try and see if it's firmware related.
>
> Awesome to know you had 64+ stations connected to your firmware.
>
> Thanks for the help.
>
> On Sun, Mar 31, 2019 at 8:06 PM Ben Greear <greearb@candelatech.com> wrote:
>>
>> Hello,
>>
>> You could try using the ath10k-ct firmware that does NOT work for you (18.06.2) in
>> the latest snapshot.  If problem still happens, then it is firmware related,
>> and I can then build you a series of images so you can do a bisect to find what
>> commit fixes the issue if you really want to know what is the fix.
>>
>> Otherwise, maybe something else fixed the problem.  For what it is worth, we
>> have regularly done 64+ stations connected to our ath10k firmware/driver
>> for years.
>>
>> Thanks,
>> Ben
>>
>> On 03/29/2019 07:02 PM, Carlito Nueno wrote:
>>> Hi all,
>>>
>>> I am using:
>>>
>>> ath10k-firmware-qca9984 - 2018-12-16-211de167-1
>>> kmod-ath10k - 4.14.109+4.19.23-1-5
>>>
>>> ## Problem
>>> I am able to associate and authenticate many clients. Max I tested was
>>> 15 clients.
>>> But when more than 4 clients start to play video stream (youtube,
>>> twitch, netflix):
>>>
>>> 1. all the clients loose internet connectivity
>>> 2. all of them are _de-authenticated_
>>>
>>> 3. when trying to reconnect, they connect but are _disassociated_ immediately.
>>>
>>> c2:44:2f:f3:3c:22  -64 dBm / -109 dBm (SNR 45)  40 ms ago
>>>     RX: 200.0 MBit/s, VHT-MCS 9, 40MHz, VHT-NSS 1        48 Pkts.
>>>     TX: 12.0 MBit/s                                    9 Pkts.
>>>     expected throughput: unknown
>>>
>>> c2:44:2f:f3:3c:22  -57 dBm / -109 dBm (SNR 52)  10 ms ago
>>>     RX: 12.0 MBit/s                                   17 Pkts.
>>>     TX: 12.0 MBit/s                                    5 Pkts.
>>>     expected throughput: unknown
>>>
>>> 4. internet on the AP works. (I am able to ping google.com)
>>>
>>> ## Firmware and OS this problem occurs
>>> - ath10k + 18.06.2 = yes, there is this problem
>>> - ath10k + snapshot = yes, there is this problem
>>> - ath10k-ct + 18.06.2 = yes, similar problem occurs
>>> (https://github.com/greearb/ath10k-ct/issues/82)
>>> - ath10k-ct + snapshot = no, works fine
>>>
>>> ## OpenWRT info
>>>
>>> ### Release
>>> DISTRIB_ID='OpenWrt'
>>> DISTRIB_RELEASE='SNAPSHOT'
>>> DISTRIB_REVISION='r9753-6df5ab89cf'
>>> DISTRIB_TARGET='ar71xx/generic'
>>> DISTRIB_ARCH='mips_24kc'
>>> DISTRIB_DESCRIPTION='OpenWrt SNAPSHOT r9753-6df5ab89cf'
>>> DISTRIB_TAINTS='no-all'
>>>
>>> ### Logs
>>> Include:
>>> - Full list of OPKGs installed: 2_opkg_installed-txt
>>> - Logs up to the point of crash: 3_ath10k_crash-txt
>>> - Logs after the crash and trying to reconnect: 4_after_crash_reconnect-txt
>>>
>>> https://gist.github.com/ironpillow/96ce9173721163a8c8c93113b2a677d7
>>>
>>> ### More logs
>>> I noticed that the some devices stay connected :man_shrugging: and
>>> when these connected devices make a dns request, the request is
>>> reaching the DNS server but the AP is not receiving response.
>>>
>>> I ran ping on *one device* and captured packets on AP (two interfaces):
>>> - tcpdump -i wlan0-ap
>>> - tcpdump -i br-lan
>>>
>>> ping google.com:
>>> https://gist.github.com/ironpillow/50cb0e2010ac5bc9acc7abc7e20ab910
>>> ping 8.8.8.8: https://gist.github.com/ironpillow/97cb3dd6eb8e9d028a8231f142fae01f
>>>
>>> Packets are not reaching wifi wlan0-ap interface.
>>>
>>> I am happy to run more tests.
>>>
>>> Any advice?
>>>
>>> _______________________________________________
>>> ath10k mailing list
>>> ath10k@lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/ath10k
>>>
>>
>> --
>> Ben Greear <greearb@candelatech.com>
>> Candela Technologies Inc  http://www.candelatech.com
>

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

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