High CPU usage from NetworkManager with QCNCM865 (WCN7850)

[Jeff Johnson]

On 6/1/2025 1:53 AM, g wrote:
> Hi, I'm experiencing a reproducible issue with the ath12k driver when 
> using a QCNCM865 Wi-Fi card based on the WCN7850 chipset.
> 
> After boot, everything works normally, NetworkManager shows 0-3% CPU 
> usage. However, if I toggle Wi-Fi off and on (using rfkill block/unblock 
> wlan), NetworkManager begins consuming 100% of a CPU core and stays at 
> full usage indefinitely, until Wi-Fi is turned off again. This is fully 
> reproducible on my system.

Can you check if this fixes your issue:
https://msgid.link/20250609-ath12k-fw-stats-done-v1-1-2b3624656697@oss.qualcomm.com

If so, can you reply to that patch with a Tested-by: tag?
And I'll take the contents of that tag to also add a reported-by: tag and link
to this thread with a Closes: tag

/jeff