Reproduce steps: free_size=`df | grep "/" -w | awk ''{print $4}''` dd if=/dev/zero of=tmpfile bs=1024 count=$free_size sync These got done without any errors until disk is full, and then run these steps: rm -rf tmpfile sync (will cause oops) Zhipeng Gong -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html