Maybe this will help:
Here's what the serial debug output looks like when it doesn't work. I need some help interpreting it. Thanks U-Boot SPL 2013.04 (Sep 25 2013 - 00:49:30) musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Peripheral mode controller at 47401000 using PIO, IRQ 0 musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Host mode controller at 47401800 using PIO, IRQ 0 OMAP SD/MMC: 0 reading u-boot.img reading u-boot.img U-Boot 2013.04 (Sep 25 2013 - 00:49:30) I2C: ready DRAM: 512 MiB WARNING: Caches not enabled NAND: No NAND device found!!! 0 MiB MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 *** Warning - readenv() failed, using default environment musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Peripheral mode controller at 47401000 using PIO, IRQ 0 musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, SoftConn) musb-hdrc: MHDRC RTL version 2.0 musb-hdrc: setup fifo_mode 4 musb-hdrc: 28/31 max ep, 16384/16384 memory USB Host mode controller at 47401800 using PIO, IRQ 0 Net: <ethaddr> not set. Validating first E-fuse MAC cpsw, usb_ether Hit any key to stop autoboot: 0 mmc0 is current device SD/MMC found on device 0 reading uEnv.txt 236 bytes read in 7 ms (32.2 KiB/s) Loaded environment from uEnv.txt Importing environment from mmc ... Running uenvcmd ... reading uImage 11748096 bytes read in 1322 ms (8.5 MiB/s) reading /am335x-boneblack.dtb 24884 bytes read in 12 ms (2 MiB/s) ## Booting kernel from Legacy Image at 80200000 ... Image Name: Linux-3.8.13 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 11748032 Bytes = 11.2 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK ## Flattened Device Tree blob at 81ff0000 Booting using the fdt blob at 0x81ff0000 Loading Kernel Image ... OK OK Using Device Tree in place at 81ff0000, end 81ff9133 Starting kernel ... Uncompressing Linux... done, booting the kernel. [ 1.368993] omap2_mbox_probe: platform not supported [ 1.380022] tps65217-bl tps65217-bl: no platform data provided [ 1.456012] bone-capemgr bone_capemgr.9: slot #0: No cape found [ 1.493120] bone-capemgr bone_capemgr.9: slot #1: No cape found [ 1.530230] bone-capemgr bone_capemgr.9: slot #2: No cape found [ 1.567340] bone-capemgr bone_capemgr.9: slot #3: No cape found [ 1.594051] omap_hsmmc mmc.5: of_parse_phandle_with_args of 'reset' failed [ 1.659528] pinctrl-single 44e10800.pinmux: pin 44e10854 already requested by 44e10800.pinmux; cannot claim for gpio-leds.8 [ 1.671234] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.8) status -22 [ 1.678546] pinctrl-single 44e10800.pinmux: could not request pin 21 on device pinctrl-single Starting logging: OK Initializing random number generator... done. Starting network... /etc/init.d/S93-am335x-pm-firmware-load: line 4: can't create /sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/loading: nonexistent directory /etc/init.d/S93-am335x-pm-firmware-load: line 5: can't create /sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/data: nonexistent directory /etc/init.d/S93-am335x-pm-firmware-load: line 6: can't create /sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/loading: nonexistent directory Running /dev/mmcblk0p1/autorun.sh... dd: can't open '/dev/mmcblk1': No such file or directory Welcome to Buildroot beaglebone login: Welcome to Buildroot beaglebone login: -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/d2799675-8314-473b-a0b8-b83e33f1d79d%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
