I could "successfully" reproduce this issue while I was upgrading from 3.8 to 3.9. All the symptoms are exactly the same as I've written a month ago, nothing changed. I'll send you the link to the corrupted image file in a private mail.
Btw, under Gentoo (SystemRescueCD to be precise) there are three warning in the btrfs-progs: http://pastebin.com/rYam2jWb Ákos -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html