Hello, I have a Realtek RTL8411 Card Reader and by applying this little patch my SD card reader now works, read and write seem to be OK.
Index: rtsx_pci.c =================================================================== RCS file: /cvs/src/sys/dev/pci/rtsx_pci.c,v retrieving revision 1.9 diff -u -p -r1.9 rtsx_pci.c --- rtsx_pci.c 14 Mar 2015 03:38:49 -0000 1.9 +++ rtsx_pci.c 14 Mar 2015 16:18:32 -0000 @@ -60,6 +60,7 @@ rtsx_pci_match(struct device *parent, vo PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5227 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTS5229 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8411B || + PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8411 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RTL8402) return 1; If someone have a patch for improve support, I can test for you.