Xcode 4 Instruments doesn't show source lines

Question

I\'ve just started playing with Xcode 4, and found that, no matter how I setup debugging symbols in the project, Instruments refuses to display source lines for stack trace item

Answer 1

I had this issue today and solved it this way:

1. Edit scheme
2. Click on "Profile" on the left (this is the important step)
3. Change Build Configuration to Debug

That should do it. Note that for whatever reason, the build target is not set to the same build configuration as the profile target and this has tripped me up more than a time or two.