(In reply to Jeffrey Cheung from comment #29) > Hi Takashi, > > is there any more patches that we can try on ? >From the fail log, I saw below Feb 23 16:05:26 LWT484d7eabf5cb ctx_usb_isactive[494]: ftok: No such file or directory Feb 23 16:05:26 LWT484d7eabf5cb systemd-udevd[395]: ctx=0x564abfb9e4a0 path=/lib/modules/4.4.39-93.1.12343.2.PTF.1019061-default/kernel/drivers/net/wireless/mwifiex/mwifiex.ko error=No such file or directory Just wonder if anything relate to Marvell wifi driver ?