My ax9000 radios go offline after ~ 3 - 4 days, a restart fixes the issue. At first, radio0 and radio1 would go offline and finally radio3. I checked the logs and can see the following error.
Firmware Version OpenWrt SNAPSHOT r22882-7ad1fa12ef / LuCI Master git-23.118.79121-6fb185f
[358132.021068] ath11k_warn: 70 callbacks suppressed
[358132.021087] ath11k c000000.wifi: failed to send WMI_PDEV_BSS_CHAN_INFO_REQUEST cmd
[358132.024801] ath11k c000000.wifi: failed to send pdev bss chan info request
[358132.032611] ath11k c000000.wifi: failed to send WMI_PDEV_SET_PARAM cmd
[358132.039226] ath11k c000000.wifi: Failed to set beacon mode for VDEV: 0
[358132.045817] ath11k c000000.wifi: failed to send WMI_BCN_TMPL_CMDID
[358132.052378] ath11k c000000.wifi: failed to submit beacon template command: -108
[358132.058650] ath11k c000000.wifi: failed to update bcn template: -108
[358132.066281] ath11k c000000.wifi: failed to send WMI_VDEV_SET_PARAM_CMDID
[358132.072604] ath11k c000000.wifi: failed to set BA BUFFER SIZE 256 for vdev: 0
[358132.079399] ath11k c000000.wifi: failed to send WMI_VDEV_SET_PARAM_CMDID
[358138.086982] ath11k_warn: 70 callbacks suppressed
[358138.087004] ath11k c000000.wifi: failed to send WMI_PDEV_BSS_CHAN_INFO_REQUEST cmd
[358138.090695] ath11k c000000.wifi: failed to send pdev bss chan info request
[358138.098428] ath11k c000000.wifi: failed to send WMI_PDEV_SET_PARAM cmd
[358138.105156] ath11k c000000.wifi: Failed to set beacon mode for VDEV: 0
[358138.111727] ath11k c000000.wifi: failed to send WMI_BCN_TMPL_CMDID
[358138.118322] ath11k c000000.wifi: failed to submit beacon template command: -108
[358138.124581] ath11k c000000.wifi: failed to update bcn template: -108
[358138.132198] ath11k c000000.wifi: failed to send WMI_VDEV_SET_PARAM_CMDID
[358138.138544] ath11k c000000.wifi: failed to set BA BUFFER SIZE 256 for vdev: 0
[358138.145315] ath11k c000000.wifi: failed to send WMI_VDEV_SET_PARAM_CMDID
[358144.152989] ath11k_warn: 70 callbacks suppressed
[358144.153012] ath11k c000000.wifi: failed to send WMI_PDEV_BSS_CHAN_INFO_REQUEST cmd
[358144.156739] ath11k c000000.wifi: failed to send pdev bss chan info request
[358144.164411] ath11k c000000.wifi: failed to send WMI_PDEV_SET_PARAM cmd
[358144.171111] ath11k c000000.wifi: Failed to set beacon mode for VDEV: 0
[358144.177741] ath11k c000000.wifi: failed to send WMI_BCN_TMPL_CMDID
[358144.184319] ath11k c000000.wifi: failed to submit beacon template command: -108
[358144.190556] ath11k c000000.wifi: failed to update bcn template: -108
[358144.198219] ath11k c000000.wifi: failed to send WMI_VDEV_SET_PARAM_CMDID
[358144.204562] ath11k c000000.wifi: failed to set BA BUFFER SIZE 256 for vdev: 0
[358144.211304] ath11k c000000.wifi: failed to send WMI_VDEV_SET_PARAM_CMDID
Anyone here experienced similar wifi issues?