ath12k: WCN7858 data path stalls under load while association remains active

[Jeff Johnson]

On 8/6/2026 2:17 PM, Pau.M.M at proton.me wrote:
> 
> Hello,
> 
> I am reporting a reproducible data-path stall affecting a Qualcomm WCN7850
> hw2.0 using ath12k.
> 
> Under sustained traffic, usually during an Ookla Speedtest, traffic to both
> the local gateway and the Internet stops. However, the station remains
> authenticated, associated and authorized according to iw.
> 
> The issue is severe on Kubuntu and still reproducible, although less severe,
> on Manjaro. It does not reproduce in the same way when connected to a mobile-
> phone hotspot.
> 
> Hardware:
> 
> MSI PRO X870E-P WIFI
> 
> Qualcomm WCN7850 hw2.0
> 
> ZTE F8748 access point supplied by DIGI
> 
> I have attached a detailed technical report and logs.

Wrong process, try:
https://wireless.docs.kernel.org/en/latest/en/users/drivers/ath12k/bugreport.html