again i fail . but someone can solve it . i think micro SD in sd slot as CD , and micro SD in USB card reader as hard disk .
-------------- # minicom -s Welcome to minicom 2.7 OPTIONS: I18n Compiled on Sep 6 2015, 19:49:19. Port /dev/ttyUSB0, 11:52:24 Press CTRL-A Z for help on special keys U-Boot 2017.03 (Apr 01 2017 - 04:27:09 -0600) DRAM: 944 MiB RPI 3 Model B (0xa02082) MMC: bcm2835_sdhci: 0 reading uboot.env ** Unable to read "uboot.env" from mmc0:1 ** Using default environment In: serial Out: lcd Err: lcd Net: Net Initialization Skipped No ethernet found. starting USB... USB0: Core Release: 2.80a scanning bus 0 for devices... USB device not accepting new address (error=0) 3 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 1 Ethernet Device(s) found Hit any key to stop autoboot: 0 U-Boot> setenv boot_targets usb0 mmc0 pxe dhcp U-Boot> saveenv Saving Environment to FAT... writing uboot.env FAT: Misaligned buffer address (000000003ab2ab50) sdhci_send_command: MMC: 0 busy timeout increasing to: 200 ms. done U-Boot> boot USB device 0: unknown device switch to partitions #0, OK mmc0 is current device Scanning mmc 0:1... Found EFI removable media binary efi/boot/bootaa64.efi reading efi/boot/bootaa64.efi 75737 bytes read in 68 ms (1.1 MiB/s) ## Starting EFI application at 01000000 ... Scanning disks on usb... Scanning disks on mmc... MMC Device 1 not found MMC Device 2 not found MMC Device 3 not found Found 5 disks >> OpenBSD/arm64 BOOTAA64 0.2 boot> booting sd0a:/bsd: 3735180+568620+500856+672776 [86+438216+232907]=0x7c2b70 [ using 672496 bytes of bsd ELF symbol table ] Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. Copyright (c) 1995-2017 OpenBSD. All rights reserved. https://www.OpenBSD.org OpenBSD 6.1-current (GENERIC) #0: Thu Apr 6 22:45:47 AEST 2017 j...@arm64.jsg.id.au:/usr/src/sys/arch/arm64/compile/GENERIC real mem = 989855744 (944MB) avail mem = 931606528 (888MB) mainbus0 at root: Raspberry Pi 3 Model B Rev 1.2 simplefb0 at mainbus0: 656x416 wsdisplay0 at simplefb0 mux 1 wsdisplay0: screen 0 added (std, vt100 emulation) simplebus0 at mainbus0: "soc" bcmintc0 at simplebus0 bcmdog0 at simplebus0 pluart0 at simplebus0 com0 at simple�].�.r��6550, no workingcom0: console dwctwo0 at simplebus0 agtimer0 at simplebus0: tick rate 19200 KHz simplebus1 at mainbus0: "clocks" usb0 at dwctwo0: USB revision 2.0 uhub0 at usb0 configuration 1 interface 0 "Broadcom DWC2 root hub" rev 2.00/1.00 addr 1 uhub1 at uhub0 port 1 configuration 1 interface 0 "Standard Microsystems product 0x9514" rev 2.00/2.2 smsc0 at uhub1 port 1 configuration 1 interface 0 "Standard Microsystems SMSC9512/14" rev 2.00/2.00 3 smsc0: address b8:27:eb:c3:cc:1a ukphy0 at smsc0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI 0x0001f0, model 0x000c umass0 at uhub1 port 2 configuration 1 interface 0 "Generic Mass Storage Device" rev 2.00/1.00 addr 4 umass0: using SCSI over Bulk-Only scsibus0 at umass0: 2 targets, initiator 0 sd0 at scsibus0 targ 1 lun 0: <Multi, Flash Reader, 1.00> SCSI0 0/direct removable serial.058f6366051 vscsi0 at root scsibus1 at vscsi0: 256 targets softraid0 at root scsibus2 at softraid0: 256 targets bootfile: sd0a:/bsd boot device: sd0 panic: root device (22c292d19a866a8d) not found Stopped at panic+0x158: TID PID UID PRFLAGS PFLAGS C PU COMMAND * 0 0 0 0x10000 0x200 0 swapper Debugger() at panic+0x154 panic() at diskconf+0xac diskconf() at main+0x46c main() at $x.2+0x70 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> - regards