[DMcCunney]

Well, things were going well. I had the PE updated to become a rooted device running Android 2.2 Ermine, and was gradually installing a subset of the software on my other tablets that will run under 2.2.

Today it pulled a new surprise. Suddenly, the eInk screen no longer works. If I power cycle or pinhole reset, I'll see the eInk display clear, and as power up continues, display the "Pocket eDGe Initializing..." screen, but that's as far as eInk gets. I can't get content to display on it, and attempting to use the Reader Calibration tool in Settings had no effect.

A possibly related issue is that content in my Library mysteriously disappeared, and tapping Library tells me nothing is there. When I attempt to add an eBook from external storage, the Converting step never completes and I must cancel the operation. (By preference, I get ePub files, which Reader supports, so it isn't clear what conversion is doing.)

I don't think it's a hardware problem. If it were, I'd expect nothing to happen on the eInk display at all. But what the problem is is quite beyond me at this point.

I may be looking at starting over from scratch on the Ermine upgrade process.

(One more quirk: the device is inconsistent about recognizing the microSD card I have in it. Boot it and it thinks there's a blank card. Pop the card and reinsert and suddenly it recognizes there is a file system and content.

The card is a 32GB card from a failed tablet, formatted FAT32. What might be an issue is that it's partitioned: I used Link2SD on that tablet to store apps on the external card. That required carving out a partition with a Linux file system, and there's a 2GB+ file system formatted ext4. I believe the Linux kernel used by the Edge dates from before ext4 existed, and it may be getting confused. I can't see the ext4 slice from the Edge.)
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Dennis