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Re: [RFTv2 0/5] ath10k: ath10k: fix flushing and tx stalls

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On 04/09/2014 02:46 PM, Ben Greear wrote:
> Here's another log snippet with these 5 patches (and lots more
> mostly non ath10k patches of my own) applied:

And another one, this time with more debugging enabled.
The 0x7110XXXX numbers indicate the command-id (the XXXX part
is the cmd id).

After this below, I see a debug-log message come from
the firmware, and then nothing else.  I had added a sort
of keep-alive message in the firmware, and I do not see that
in my logs, so probably firmware is wedged in such a way that
it cannot or will not send packets to the host at this point.

I had chased this sort of problem previously, and ended up
with a hack to reset firmware when the flush failed twice.
I backed that out when applying your patches, but I guess
it is still needed.


ath10k: ep 2 got 1 credits tot 2
ath10k: mac vdev 20 start 04:f0:21:03:38:99
ath10k: mac vdev 20 start center_freq 5180 phymode 11ac-vht80
ath10k: ep 2 used 1 credits, remaining 1 dbg 1896910867 (0x71109013)
ath10k: ep 2 got 1 credits tot 2
sta219: send auth to 04:f0:21:03:38:99 (try 1/3) at: 1397086238.721985
ath10k: ep 2 used 1 credits, remaining 1 dbg 1896910888 (0x71109028)
ath10k: mac flushing peer 04:f0:21:03:38:99 on vdev 20 mgmt tid for unicast mgmt (204 msecs)
ath10k: ep 2 used 1 credits, remaining 0 dbg 1896910878 (0x7110901e)
ath10k: Creating vdev id: 22  map: 12582912
ath10k: mac vdev create 22 (add interface) type 2 subtype 0
sta219: send auth to 04:f0:21:03:38:99 (try 2/3) at: 1397086239.28088
[firmware logging msg]
ath10k: failed to create WMI vdev 22: -11
ath10k: failed to transmit management frame via WMI: -11
ath10k: Creating vdev id: 22  map: 12582912
ath10k: mac vdev create 22 (add interface) type 2 subtype 0
ath10k: failed to create WMI vdev 22: -11
sta219: deauthenticating from 04:f0:21:03:38:99 by local choice (reason=3)
ath10k: failed to wait for tx to flush: -110, forcing
ath10k: failed to request peer 04:f0:21:03:38:99 on vdev 20 to flush ffffffff: -11
....




> 
> No (significant) user traffic was running.
> 
> sta215: authenticated at: 1397076587.913186
> sta215: associate with 04:f0:21:03:38:99 (try 1/3), at: 1397076587.915143
> ath10k: mac flushing peer 04:f0:21:03:38:99 on vdev 16 mgmt tid for unicast mgmt (204 msecs)
> sta215: RX AssocResp from 04:f0:21:03:38:99 (capab=0x1 status=0 aid=17) at: 1397076588.120218
> ath10k: mac vdev 16 dtim_period 2
> ath10k: mac vdev 16 slot_time 2
> ath10k: mac ht peer 04:f0:21:03:38:99 mcs cnt 24 nss 3
> ath10k: mac vht peer 04:f0:21:03:38:99 max_mpdu 65535 flags 0x6003001
> ath10k: mac peer 04:f0:21:03:38:99 phymode 11ac-vht80
> ath10k: mac vdev 16 up (associated) bssid 04:f0:21:03:38:99 aid 17
> sta215: associated at: 1397076588.122484
> IPv6: ADDRCONF(NETDEV_CHANGE): sta215: link becomes ready
> sta216: authenticate with 04:f0:21:03:38:99 at: 1397076588.124830
> ath10k: mac vdev 17 beacon_interval 100
> ath10k: mac vdev 17 create peer 04:f0:21:03:38:99
> ath10k: mac vdev 17 start 04:f0:21:03:38:99
> ath10k: mac vdev 17 start center_freq 5180 phymode 11ac-vht80
> sta216: send auth to 04:f0:21:03:38:99 (try 1/3) at: 1397076588.125811
> ath10k: mac flushing peer 04:f0:21:03:38:99 on vdev 17 mgmt tid for unicast mgmt (204 msecs)
> sta216: send auth to 04:f0:21:03:38:99 (try 2/3) at: 1397076588.431144
> ath10k: failed to transmit management frame via WMI: -11
> sta216: send auth to 04:f0:21:03:38:99 (try 3/3) at: 1397076591.431376
> ath10k: failed to wait for tx to flush: -110, forcing
> ath10k: failed to request peer 04:f0:21:03:38:99 on vdev 17 to flush ffffffff: -11
> ath10k: failed to flush all peer tids: -11
> sta216: deauthenticating from 04:f0:21:03:38:99 by local choice (reason=3)
> ath10k: failed to wait for tx to flush: -110, forcing
> ath10k: failed to request peer 04:f0:21:03:38:99 on vdev 17 to flush ffffffff: -11
> ath10k: failed to flush all peer tids: -11
> ath10k: mac vdev 17 peer delete 04:f0:21:03:38:99 (sta gone)
> ath10k: failed to request wmi peer 04:f0:21:03:38:99 on vdev 17 removal: -11
> ath10k: removing peer 04:f0:21:03:38:99 on vdev 17 still being mapped in firmware
> ath10k: mac vdev 17 stop (disassociated
> ath10k: failed to stop WMI vdev 17: -11
> ath10k: mac vdev 17 down
> ath10k: failed to wait for tx to flush: -110, forcing
> ath10k: failed to request peer 04:f0:21:03:38:99 on vdev 16 to flush ffffffff: -11
> ath10k: failed to flush all peer tids: -11
> ath10k: failed to wait for tx to flush: -110, forcing
> ath10k: failed to request peer 04:f0:21:03:38:99 on vdev 16 to flush ffffffff: -11
> ath10k: failed to flush all peer tids: -11
> sta218: authenticate with 04:f0:21:03:38:99 at: 1397076616.431328
> ath10k: failed to wait for tx to flush: -110, forcing
> ath10k: failed to request peer 04:f0:21:03:38:99 on vdev 16 to flush ffffffff: -11
> ath10k: failed to flush all peer tids: -11
> ath10k: mac vdev 19 beacon_interval 100
> ath10k: failed to set beacon interval for vdev 19: -11
> ath10k: mac vdev 19 create peer 04:f0:21:03:38:99
> ath10k: failed to create wmi peer 04:f0:21:03:38:99 on vdev 19: -11
> ath10k: failed to add peer 04:f0:21:03:38:99 for vdev 19 when changing bssid: -11
> ath10k: mac vdev 19 start 04:f0:21:03:38:99
> ath10k: mac vdev 19 start center_freq 5180 phymode 11ac-vht80
> 
> 
> Thanks,
> Ben
> 


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

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