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I'm trying to follow the instructions in this answer on how to copy the Ubuntu image to an SD card for the Raspberry Pi.

I get the following error using the imagewriter application:

Trying to unmount /dev/mmcblk0p1...
/dev/mmcblk0p1 successfully unmounted
Executing: dd if=/media/ewilson/KINGSTON/2012-08-08-wheezy-armel.img of=/dev/mmcblk0
The dd process ended with an error!

I have no idea how to troubleshoot this. Any ideas?

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Feel free to tag this question better. –  Eric Wilson Jan 25 '13 at 13:17

2 Answers 2

up vote 2 down vote accepted

are you root, or using sudo? you need to be, to write to a block device.

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It seems it was an issue related to not having administrative privileges. I did the same thing with sudo imagewriter and it worked.

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