> [ 172.702897] mmc0: new SDXC card at address aaaa
> [ 172.727538] mmcblk0: mmc0:aaaa SN64G 59.5 GiB
> [ 172.729685] mmcblk0: p1
That suggests that it might be a reader or driver problem.
I check the doc and it should really read SDXC.
Check the output of lspci to see what your SD reader device is.
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd.
RTS525A PCI Express Card Reader (rev 01)
Also check "journalctl -b" to check for initialization
messages. Searching for mmc
should find the right area.
Oct 16 17:58:45 alpha kernel: mmc0: cannot verify signal voltage switch
Oct 16 17:58:46 alpha kernel: mmc0: error -110 whilst initialising SD card
Oct 16 17:58:47 alpha kernel: mmc0: cannot verify signal voltage switch
Oct 16 17:58:47 alpha kernel: mmc0: error -110 whilst initialising SD card
Oct 16 17:58:48 alpha kernel: mmc0: cannot verify signal voltage switch
Oct 16 17:58:48 alpha kernel: mmc0: error -110 whilst initialising SD card
That's all about it...
Kind regards,
F