[FS#1467] ieee80211_tx_status: headroom too small

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Enrique Rodriguez (enrique.rodriguez) 

Attached to Project - OpenWrt/LEDE Project
Summary - ieee80211_tx_status: headroom too small
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Critical
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Latest LEDE on Gateworks Newport GW6300 (octeontx) with Compex WLE900VX ath10k radio. Using 4.14.13 mainline OpenWrt kernel

The syslog is getting spammed with "headroom too small" errors when a monitor wireless interface exists and a station gets connected:


Thu Jan  1 00:52:00 1970 kern.err kernel: [  157.740108] ieee80211_tx_status: headroom too small
Thu Jan  1 00:52:01 1970 kern.err kernel: [  158.764099] ieee80211_tx_status: headroom too small
Thu Jan  1 00:52:02 1970 kern.err kernel: [  159.788129] ieee80211_tx_status: headroom too small


These errors are shown using ath10k and ath10k-ct driver versions (currently using ath10k-ct)

Steps to reproduce:


  - Create a new monitor wireless interfaceiw phy phy0 interface add mon0 type monitor
ip l set dev mon0 up
  - Connect a client to the access point configured radio  

Full logread info attached separately
 

One or more files have been attached.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1467