cyayon

ok, as soon as the issue return, I will take another diag file.

thanks but I already know which process (wlan_module) is concerned. Note that the cpu is stalled at 29% indefinitely ! Until I reboot. I really doubt that it process multicast and broadcast or background tasks for hours / days / weeks … until I reboot ! I am looking to debug inside the process itself with a strace like…

hi, Thanks for your answer. But I do not understand why there is CPU usage when all clients are disconnected and there is no activity on wifi. I made debug files just before disconnect all clients, this is why you see clients connected . But this abnormal cpu usage continue even after disconnect everything. I also sniffed…

hi, The CPU usage is definitely not normal. There is a loop process which consume 25% of cpu without doing anything. In the diag file and debug command we can see the wan_module process which use 25%. A reboot solve the issue. But issue come back again after a few days. Please check the ticket 378183, you can check the…

Hi, I opened a support ticket (#378183). it seems that there is currently an firmware 11ax issue. There is currently a hotfix in preparation about this. Support ask me to disable 11ax in 2GHz and 5GHz, but yesterday, i reboot the wap and CPU usage returned to normal. Before rebooting, i launched a full diag, here is the…