Starts allright this time, not showing bootmenu menu. Senses charging (or, at least, turns brightness on and off - don't know how to determine if really charging). Exposes rootfs, optfs, sdcard in 'w' mode. Doesn't throw errors in 'fsck all partitions'. Makes the tar archives on sd as required. A-OK for these issues .

Edit: BUT! After rebooting, doesn't sense any more mass-storage mode (this is an issue that showed also after using h-e-n aka hostmode now scripts). Senses charging though through the power adapter. Can't restore normal functioning by now. Tried pulling battery for one or for five minutes but still doesn't do mass storage.

Edit2: not even 10 minutes without battery sufficed. Now reflashing stock kernel, then my yesterday's lzo image, then restoring yesterday's optfs. Fingers crossed.

Edit3: Then I had to restore kernel-power, and still it didn't do mass storage. Then rebooted and mass storage worked again.

Sticking to 0.56 for now, be careful please with i2c-tools