Has anyone experienced crashes when using ALAssetsLibrary in a background thread?

Question

I have an ios app which has not crashed in this way on ios 5 which is now crashing consistently on ios 6 on startup after 4 or 5 bg/fg cycles. I\'ve traced the issue to my invo

Answer 1

I suffered same issue:

For short: While the ALAssetsLibrary instance is enumerating with types or the ALAssetsGroup instaces enumerated last step are enumerating assets, the ALAssetsLibrary instance and the ALAssetsGroup instances should never been changed before all the enumerating blocks are finished.