iphone - Xcode variables view gets stuck loading variables when stopped on breakpoint -

i'm debugging , ios , variables view stuck spinning indicator in center of variables 5 minutes @ time when stopped on breakpoint. happens both when debugging on iphone 5 , when debugging on simulator. debugger stuck until view loads.

i'm using xcode 4.6.1

this happens on 2 projects sharing common code. tried switching lldb gdb did not make difference.