[OpenWrt-Devel] ath10k memory leak on 19.07 branch and mikrotik RB952Ui-5ac2nD?

[Matthias Schiffer]

On 11/29/19 3:40 AM, Joe Ayers wrote:
> Attempting to use the hAP ac lite model RB952Ui-5ac2nD with the 5GHz
> radio0 802.11ac seems to be unstable and consume available memory.
> This is only enabling radio0 with no other changes and bringing wifi
> up/down to reproduce.   Am I doing something silly, or should I submit
> a bug?

Sounds like the issue that this PR tried to work around:

https://github.com/openwrt/openwrt/pull/1077

Kind regards,
Matthias


> 
> root at OpenWrt:/tmp# cat /etc/openwrt_release
> DISTRIB_ID='OpenWrt'
> DISTRIB_RELEASE='19.07-SNAPSHOT'
> DISTRIB_REVISION='r10752-1859391e9e'
> DISTRIB_TARGET='ar71xx/mikrotik'
> DISTRIB_ARCH='mips_24kc'
> DISTRIB_DESCRIPTION='OpenWrt 19.07-SNAPSHOT r10752-1859391e9e'
> DISTRIB_TAINTS='no-all'
> root at OpenWrt:/tmp# free
>               total        used        free      shared  buff/cache   available
> Mem:          59264       14104       33232        7804       11928       23352
> Swap:             0           0           0
> root at OpenWrt:/tmp# wifi up
> 'radio1' is disabled
> 'radio1' is disabled
> root at OpenWrt:/tmp# free
>               total        used        free      shared  buff/cache   available
> Mem:          59264       19556       24204        7804       15504       16156
> Swap:             0           0           0
> root at OpenWrt:/tmp# date; free
> Tue Nov 26 23:32:37 UTC 2019
>               total        used        free      shared  buff/cache   available
> Mem:          59264       29768       13984        7804       15512        5944
> Swap:             0           0           0
> root at OpenWrt:/tmp# date; free
> Tue Nov 26 23:32:55 UTC 2019
>               total        used        free      shared  buff/cache   available
> Mem:          59264       33384       10368        7804       15512        2328
> Swap:             0           0           0
> root at OpenWrt:/tmp# date; free
> Tue Nov 26 23:33:14 UTC 2019
>               total        used        free      shared  buff/cache   available
> Mem:          59264       37424       10452        7804       11388         304
> Swap:             0           0           0
> root at OpenWrt:/tmp# wifi down
> -ash: can't fork: Out of memory
> root at OpenWrt:/tmp# wifi down
> -ash: can't fork: Out of memory
> root at OpenWrt:/tmp# wifi down
> /sbin/wifi: line 188: can't fork: Out of memory
> Failed to parse message data
> 'radio1' is disabled
> root at OpenWrt:/tmp# wifi down
> Segmentation fault
> Failed to parse message data
> 'radio1' is disabled
> root at OpenWrt:/tmp# free
>               total        used        free      shared  buff/cache   available
> Mem:          59264       39436        8508        7804       11320           0
> Swap:             0           0           0
> root at OpenWrt:/tmp# wifi down
> 'radio1' is disabled
> root at OpenWrt:/tmp# date; free
> Tue Nov 26 23:34:08 UTC 2019
>               total        used        free      shared  buff/cache   available
> Mem:          59264       13716       33932        7804       11616       23892
> Swap:             0           0           0
> root at OpenWrt:/tmp#
> 
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> 


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