OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Kernel
  • Assigned To No-one
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version openwrt-19.07
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Leon Möller - 12.05.2021

FS#3802 - DFS channel change causes 5GHz WiFi to fail

My TP-Link AC1750 Archer C7 v5 just detected another WiFi on the same 5GHz channel. Thus it tried to switch to a different channel, which apparently succeeded. Afterwards the kernel experienced a bug causing the 5GHz WiFi to fail indefinitely.

I’ve attached a list of installed packages and the relevant syslog:
Lines 1 - 7 show the change to a different channel
Lines 8 - 10 show a device disconnecting and reconnecting (probably because of the channel switch)
Lines 11 - 82 are SWBA overrun warnings
Lines 90 - 190 are kernel traces
Lines 255 - 261 show a device connecting to the 2.4GHz WiFi, because the 5GHz is no longer available
Lines 271 - 278 show other devices being disassociated as they are also unable to connect again

 


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