OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version openwrt-21.02
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by zorxd - 06.10.2021

FS#4064 - high latency / no packet transmitted on WRT1900ACS (88W8864)

Hi

On Linksys WRT1900ACS (and possibly other devices using marvel 88W8864 WiFi), WiFi connectivity is intermittently unreliable. On my Galaxy S10e smartphone, the symptom is that the device reports being connected to WiFi, but when trying to load a web page, it takes forever. The device switches to cellular connectivity after some time, and reconnect to WiFi (possibly on the other band) and then it works for a while.

As a couple users have reported, it is necessary to disable TX AMSDU to fix this bug.
This can be accomplished by issuing the following commands:

echo 0 > /sys/kernel/debug/ieee80211/phy1/mwlwifi/tx_amsdu
echo 0 > /sys/kernel/debug/ieee80211/phy0/mwlwifi/tx_amsdu

This should be done by default.

Related discussions:
https://forum.openwrt.org/t/openwrt-21-02-0-first-stable-release/105395/209 https://github.com/kaloz/mwlwifi/issues/207

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