>> 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...
>

Out of curiosity, are you using an affected version of libX11 as mentioned
at the end of this bug report?

http://bugs.pearsoncomputing.net/show_bug.cgi?id=812

Tim