Edit: It seems this is my first post here... so "hi!" I've been lurking for quite some time and am actually surprised at this...
Random reboots & Awake 100% of the time... I think they're related.
I'm running the official 2.1 release from Sprint, released May 19. Never rooted...
Anyway, I think that the awake 100% of the time isn't so much related to FB as it is the random reboots... Here's what happened... The day before yesterday morning, my phone was rebooting every five minutes or so on it's own. When I got a moment, I did another (third?) factory reset and that seemed to fix the problem for the day. Later that evening, I was out 'n about, and I fired up Google Maps... as soon as I did, the phone rebooted. So, I tried some other GPS-using apps (Camera, Compass, Goggles maybe?) and each one of them crashed as soon as the GPS icon appeared in the app or notification bar... (At this time I was running 100% awake, too)
So, yesterday morning, I did another factory reset. Didn't sign into FB for HTC Sync, and slowly and methodically checked my apps as I installed them. I did install the update for Google Maps, if that matters... But I checked the GPS throughout the day and nothing really happened, I had 12 hrs of uptime, and approximately 60% awake time (better than 100%, plus I was charging throughout the day too). So, yesterday evening, I noticed that the awake time was keeping up with the uptime, so the phone had stopped sleeping and was awake 100% from that time forward, so I logged into FB for HTC Sense deciding it wasn't the problem. When I fired up the GPS on the phone to take a picture, guess what... it rebooted. Again.
So, here are the theories...
1. My phone's GPS is broken/wonky... Before the 2.1 update, my GPS would occasionally say I was somewhere totally wrong, like several hundred miles east or west, but a reboot would fix it... maybe the 2.1 update doesn't handle this as well?
2. 2.1 Broke GPS functionality, and 100% awake time is the sign that the phone will reboot itself if the GPS is activated. AFAIK my phone is still in this state, but hasn't rebooted itself since I turned GPS off.
Edit 2: I think when the phone was constantly rebooting itself, I had some widgets that would occasionally use the GPS because I had network-based location turned off (eg. weather). Also, sorry if this has already been discussed, I haven't read all six pages of this thread yet.
Edit 3: Booting into safe mode seems to let the GPS work properly... Now booting regularly I can access the GPS again... interesting. Still seems to be awake 100% of the time, so I suspect it won't last.
What about anyone else here?