This is sort of a "known bug" not specific to this ROM - plenty of Evo users experience it, even on a pure stock ROM.
IN LOW LIGHT CONDITIONS, if you take multiple successive pictures, even (or maybe *especially*) with no flash, the phone will straight up reboot. I don't mean restarting Sense, or a hot restart, but all the way back to the splash screen, like a cold boot.
Clearing cache doesn't seem to be related (although it's generally beneficial) . The only real workaround is TAKE PICTURES SLOWER IN LOW LIGHT.
And yes, this most often happens to me AT THE ZOO... You're not alone.
Anyway, Tommy is innocent on this one as far as I can tell.
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