internal error: evacuate: strange closure type 33544

Hi guys,

I have no idea what this is:

8:45am dixiechicks:DUC04/ ../SVMseq/SVMseqLearn -m 1800 --string-maxn=3 -h 
0 data.dis.svm data.dis.model-linear
Reading training examples.................13612 examples read (highest 
feature=13)
Initializing...SVMseqLearn: internal error: evacuate: strange closure type 
33544
    Please report this as a bug to glasgow-haskell-bugs@xxxxxxxxxxx,
    or http://www.sourceforge.net/projects/ghc/
695.190u 4.160s 11:39.41 99.9%  0+0k 0+0io 250pf+0w
8:56am dixiechicks:DUC04/ 


unfortunately, this is the first time i've seen this error and, as you can 
see, the program was running for a *long* time before it cropped up.  if 
you want, i can send you the source/data files it was running on, but i 
don't know that you'd be able to glean much information from that...

 - hal

-- 
 Hal Daume III                                   | hdaume@xxxxxxx
 "Arrest this man, he talks in maths."           | www.isi.edu/~hdaume