DMESG:

[  184.304769] mmc0: SD Status: Invalid Allocation Unit size.
[  184.304802] mmc0: card lacks mandatory switch function, performance might suf                                                                                                                                                             fer.
[  184.305009] mmc0: new SDHC card at address b368
[  184.319583] mmcblk0: mmc0:b368 SMI-S 7.55 GiB
[  184.321388]  mmcblk0: unknown partition table