AP mode. Both 2.4 and 5ghz channels. Using WLE600VX (QCA986x/988x), we are seeing the following errors in kernel logs: [12978.022077] ath10k_pci 0000:04:00.0: failed to flush transmit queue (skip 0 ar-state 1): 0 [13343.069189] ath10k_pci 0000:04:00.0: failed to flush transmit queue (skip 0 ar-state 1): 0 They are somewhat random but frequent. Can happen once a day or many times per hour. They are associated with 3-4 seconds of radio silence. Full packet loss. Then everything resumes normally, STA are still associated and traffic resumes. I have tested with major kernel versions: 6.1.97: stable (tested for many days on 10+ access points) 6.2.16: stable (tested for few hours single machine) 6.3.13: stable (tested for few hours single machine) 6.4.16: unstable (we have errors within an hour) 6.5.13: unstable (we have errors within an hour) 6.6.39: unstable (we have errors within an hour) 6.7.12: unstable (we have errors within an hour) 6.8.10: unstable (we have errors within an hour) 6.9.7: unstable (we have errors within an hour)