BMO has a feature that displays a dynamically built graphic image file showing the dependency tree in which the selected bug resides. It seems to stop working from time to time. When I try to view the dependecy graph for bug http://bugzilla.mozilla.org/show_bug.cgi?id=233453 it just times out. This worked a couple weeks ago.

As people keep adding dependencies, eventually it gets to be enough that it takes longer than apache can deal with to look them all up. If the same one sometimes works and sometimes doesn't, it's very likely close to the limit and it varies on system load. *** This bug has been marked as a duplicate of 164085 ***

Dave, are you sure this is a duplicate? When I view the dependency tree for the above cited bug, (non-grpahically) there are less than 20 bugs in the tree. 20 bugs is too many to show graphically?

Yes. The dependency tree only goes two directions from the bug you're looking at. A dependency graph goes two directions from every bug in the tree, and every bug that finds, etc. In other words, the graph will keep following every dependency in every direction from every bug until it runs out of dependencies.

Well, maybe there shold be an option to produce a graph that reflects the non-graphical view.