There are multiple cause to this bug.
However, patch in attachement may for bug described by Dan Parslow.
It is result of a bisect between a working kernel 3.14 and a non working
kernel 3.17.
** Patch added:
0001-Revert-mmc-sdhci-add-DDR50-1.8V-mode-support-for-Bay.patch
I made some investigations:
In some cases system work correctly until it reboot. Applying this patch
http://permalink.gmane.org/gmane.linux.kernel.mmc/28281 help in this case.
I also find that opening eMMC ith O_SYNC (or mounting partition with sync
flag) improve results.
Finally, I
For information, I have an Atom E3845 and I observe same problem.
This issue may be related to erratas:
- For Z36xx and Z37xx, errata VLT7 described here:
http://www.intel.fr/content/dam/www/public/us/en/documents/specification-updates/atom-Z36xxx-Z37xxx-spec-update.pdf
- For E38xx,
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