Hi,
I think your right..... I reinstalled the image, setup hg, was running Good for 3 days.. So today I said let me make an image for a backup. I shutdown, all looked good, made a backup, put the card back in the Pi , and lone and behold... Bad sectors all of a sudden appeared, and the same error with HG occurred , and it failed to start again!!!
Hg logs show debug messages and info items, then at the end there is a lot of unreadable jibberish.
I'm gonna try another sd card, if it stil happens, wil use a Mac mini or similar
Thanks,
Johnny