RPi3 SD card reader (mmc) issue

@jm_meessen wrote:

Hello,

My two brand new RPi3, supposed to join my existing 3 * RPi2B cluster, fail to boot.

I am using the latest Hypriot OS (as I use the RPi for Docker demonstrations).

The boot sequence shows the following error: timeout waiting for hardware interrupt mmc0 and then several mmcblk0: error -110 transferring data sector ... errors until the boot sequence stalls because it can't read the SD.

Using the same SD on my colleague's RPi3 works: the boot completes and a DHCP address is retrieved.
Using his (working) card on my RPi3 fails.

This is why I come to the conclusion that the SD reader is defect of both devices.

Bad contacts ? (astonishing for a microSD) Any other idea ?

Jmm

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