OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Medium
  • Priority Very Low
  • Reported Version openwrt-18.06
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by zorxd - 07.10.2019

FS#2537 - Ath9k on Archer C7 v2: disassociated due to inactivity

Hello

Every few weeks I have to restart the 2.4 GHz radio or reboot my Archer C7 v2 router otherwise no client can connect to it.
All stations end up being “deauthenticated due to inactivity” and can’t reconnect.

Tested on OpenWRT 18.06.4. It is quite hard to reproduce for me as it doesn’t happen frequently.

Forum post: https://forum.openwrt.org/t/ath9k-on-archer-c7-v2-disassociated-due-to-inactivity/13328

Björn Strömberg commented on 15.11.2019 06:08

this is a pretty irritating bug, and the reproduction of it is something i have not either been able to do on cue.

on my Archer C7 v2 it happens very random, some times it "hangs" the 2.4 GHz radio once a week, sometimes it only takes a few days, and the longest running working is more then a month, by that time i was sure the issue was gone (right after flash of 18.06.2) but then it slowly started to randomly drop connection to the radio.

worth noting the 5 GHz radio never does this so its a contained issue to the 2.4 GHz. probably driver related?

i have tested it with: 17 (Lede) and 18.06 all point versions tested with same issue, and the time it takes are never the same, so it feels random.

i have thought of deploying a counter measure to run a scripted interface restart of the 2.4 GHz every week. i know its wrong to work around the problem and not fixing it but this issue seems to live on forever.

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