On Sat, Oct 05, 2024 at 06:14:33PM +0800, Chris Billington wrote: > > >Synopsis: O2 Micro PCI SD/MMC Card Reader "sdmmc0: can't enable card" > >Category: system > >Environment: > System : OpenBSD 7.6 > Details : OpenBSD 7.6-current (GENERIC.MP) #344: Wed Oct 2 > 12:26:27 MDT 2024 > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > Architecture: OpenBSD.amd64 > Machine : amd64 > >Description: > > Machine: Panasonic Let's Note CF-SZ6 laptop with O2 Micro PCI-attached SD/MMC > reader with PCIid: 1217:8520 > When an SDHC/SDXC card is inserted into the reader, the card is not detected > and > /bsd: sdmmc0: can't enable card > is written to the system log. > The behaviour is not consistent. > The first time the card is plugged in, the SD-card access light flashes > several times and "can't enable card" is logged. > The second time, the access light does not flash and nothing is logged. > Third and subsequent attempts go back to the first behaviour: it alternates. > In both cases the disk is not available (sysctl hw.disknames).
The symptoms are the same as the ones apparently fixed by hastings in this diff: https://marc.info/?l=openbsd-tech&m=172698492122450&w=2 It's probably worth a try.
