Hi, >> > the parameter is file=/dev/mmcblk0p1 > > Perhaps you have already realized this... mmcblk0p1 is the first > partition of the mmcblk0 device. Block 0 of the partition is the boot > sector, not the MBR. The MBR is block 0 of the mmcblk0 device. So > perhaps you really meant to use: > > file=/dev/mmcblk0 > >> I see a problem here. The first 32 bytes of the boot sector is >> correct. The rest of the bytes are 00000000, which is wrong. See the >> usbmon trace below. >> > > Are you certain this is wrong? All those 0's could be unoccupied > entries in a FAT. For testing purpose, i would like to create a backing file, and then use it with g_file_storage, such as below: # modprobe g_file_storage file=/tmp/backing_file Can i use an ordinary text file as the backing file? Thanks, victor -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
