What brand.
What class.
Have you tried to format and test them on another system ?


On 1/6/2015 8:59 AM, Paulo Sherring wrote:
> I just tested with two micro sdcards, that are not very used, i bought
> them a few months ago, and three micro sd readers ( one builtin, 2
> usb). All three of them resulted in the same error. Depending on the
> device used, i was /dev/sdb or /dev/mmcblk0.
> dd'ing the image to the card worked just fine but it has the anoying
> issue that it takes too long to burn the card (about 5 times longer,
> maybe?).
>
> Thanks!
>
> On Tue, Jan 6, 2015 at 12:20 PM, Robert Nelson
> <robertcnel...@gmail.com <mailto:robertcnel...@gmail.com>> wrote:
>
>     On Tue, Jan 6, 2015 at 9:13 AM, Paulo Sherring
>     <pauloasherr...@gmail.com <mailto:pauloasherr...@gmail.com>> wrote:
>     > Well, that is another sdcard, again and again (and again). That
>     is just sad.
>     > Is there a tool for me to test an sdcard integrity, since i
>     don't have yet
>     > skills to parse linux output?
>
>     Humm.. If it's happening with multiple sdcard's, i'd also double check
>     with a spare usb-microSD adapter..
>
>     Or try the dd method:
>
>     Grab  the *.img from here:
>
>     http://elinux.org/BeagleBoardDebian#BeagleBone.2FBeagleBone_Black
>
>     and:
>
>     unxz bone-debian-7.7-console-armhf-2014-10-29-2gb.img.xz
>     sudo dd if=./bone-debian-7.7-console-armhf-2014-10-29-2gb.img
>     of=/dev/sdX
>
>     where /dev/sdX is your device your flashing...
>
>     Regards,
>
>     --
>     Robert Nelson
>     http://www.rcn-ee.com/
>
>     --
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