>> It could be d3a9d561, though I don't know how.  I
>> assume you rebuilt tdelibs, then rebuilt all the other packages against
>> it?  d3a9d561 introduced an ABI incompatibility.
>
> Yes I did, but...
>
> This afternoon I again rebuilt both tdelibs and tdebase. This time without
> stripping the debug symbols. The packages sizes were much larger of
> course. All seemed to be going well.
>
> I still get the same crash from Konqueror, but the crash dialog informs me
> "This backtrace appears to be of no use.
> This is probably because your packages are built in a way which prevents
> creation of proper backtraces, or the stack frame was seriously corrupted
> in the crash."
>
> I receive the same crash message when I run the crashtest binary, which is
> intended exactly for this purpose.
>
> For the moment I'm assuming I'm doing something wrong. What is the correct
> way to build with debugging symbols?
>
> Darrell

Sometimes when an application goes down with SIGABRT backtraces cannot be
generated properly.  Try this from a terminal:
gdb --arg konqueror
then at the prompt press "r<enter>".  When it crashes, press "bt<enter>".

Tim