On 2018-10-15, Nathan Clement <clement.nat...@gmail.com> wrote: > Thank you, Maurice! > Now at least I have dmesg, and also the output of disklabel: > >> dmesg: > > OpenBSD 6.3 (RAMDISK_CD) #98: Sat Mar 24 14:26:39 MDT 2018
Try a snapshot (or 6.4). Not sure if it will help but there were some fixes to sdmmc since 6.3.