I've seen this happen with multiple gumstix's. We have tried pushing down the spring contacts more and it doesn't seem to be helping.

On 8/21/12 11:27 AM, Greg Kogut wrote:
The issue may be with your SD card holder rather than the SD card itself.   E.g. one of the spring contacts down inside may be stuck and lots its "springiness"


Greg



From: Jon Schewe <jschewe@bbn.com>
To: gumstix-users@lists.sourceforge.net
Sent: Tuesday, August 21, 2012 9:20 AM
Subject: [Gumstix-users] recommended SD card for booting

I'm currently booting of the SD card on my gumstix and have found that
many times the system won't boot because the gumstix says the SD card
isn't there. If I push down on the top of the SD card with my finger
when I apply power, then it always boots. Has anyone else run into this
issue? Do you have any suggestions? Is it more reliable to boot off the
NAND and then mount the SD card in Linux?

The best I've been able to find searching Google is a recommendation for
ATP if you need the temperature range, but I don't think that's my issue
right now. However if someone tells me they boot more reliably, I'd give
them a try.

Thanks.

Jon Schewe


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Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
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