>> > > Can you please try to comment out the following lines in > brcmf_feat_attach? That's the only suspicious line that interact with > firmware in the patch. > > + brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN, "pfn_gscan_cfg", > + &gscan_cfg, sizeof(gscan_cfg)); > > I don't have a pi zero w but will try to see if I can reproduce it on a pi 3. Franky/Arend, if a ZeroW would help now and in future Pi Wifi issues, I can get one to you. Email me off list. James >>> [2] - https://www.kraxel.org/cgit/linux/log/?h=bcm2837