Okay so this has been happening to me for @ seven months or almost since I got my phone/rooted it... (to clarify: as soon as I got my phone I rooted it after a week). I've been getting repeated copies of the same text message @ first I thought it was from my friend who had an htc incredible then it happened with my friends who were on virgin mobile then sometimes with my friends from boost. In addition, I just got a ninth copy of the same text and I rebooted the phone only to have a the same text reappear for the tenth time. Anywho, I've just sent in a bug report to google with alogcat regarding the situation if you have the same problem please head over and click the star instead of posting a me too comment... also if you've just experienced the error get alogcat of it in order to help the bug fixers. Here's the link:
http://code.google.com/p/android/issues/detail?id=14698&colspec=ID Type Status Owner Summary Stars
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http://code.google.com/p/android/issues/detail?id=14698&colspec=ID Type Status Owner Summary Stars
Sent from my Droid using DroidForums App