Hi, I'm using a SD combo card, it works as a micro SD card reader and SDIO wifi device. When i'm not inserting any micro SD card, it works fine for wifi. But once i insert micro SD card in combo card, it is blocking actual micro SD card contianing rootfs and boot partition. New card is detected but none of them is working. It gives mmcblk0 -110 error or sometimes -84 error and also gives error messages like read failed unable to mount rootfs. I'm using 2.6.38 kernel (Linux). Thanks in Advance Regards, Swaraj