I just verified that Ubuntu's 9.04's packaging of Apache 2.2.11 also exhibits this problem.
Looking through the Ubuntu patches to upstream Apache 2.2.8 (where we initially noticed the problem), I haven't yet found an obvious cause.
The people who did the packaging or patches on this would be able to debug this faster than me. Otherwise, I'll have to start tracing through unfamiliar Apache source to debug it that way.
I just verified that Ubuntu's 9.04's packaging of Apache 2.2.11 also exhibits this problem.
Looking through the Ubuntu patches to upstream Apache 2.2.8 (where we initially noticed the problem), I haven't yet found an obvious cause.
The people who did the packaging or patches on this would be able to debug this faster than me. Otherwise, I'll have to start tracing through unfamiliar Apache source to debug it that way.