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Linux: Embedded Development by Chris Simmonds, Alex González, Alexandru Vaduva

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Troubleshooting your Wandboard's first boot

If you have problems booting your image, follow this recipe to troubleshoot.

Getting ready

  1. Without the microSD card inserted, plug in a microUSB-to-USB cable to the USB OTG interface of your Wandboard. Check the lsusb utility on your Linux host to see whether the Wandboard appears as follows:
    Bus 002 Device 006: ID 15a2:0054 Freescale Semiconductor, Inc. i.MX6Q SystemOnChip in RecoveryMode

    If you don't see this, try a different power supply. It should be 5V, 10W.

  2. Make sure you connect a NULL modem serial cable between the RS232 connector in your Wandboard target and a serial port on your Linux host. Then open a terminal program like minicom with the following:
    $ minicom -D /dev/ttyS0 -b 115200
    

    Note

    You will ...

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