(oops, forgot to reply to the list, sorry about the extra copies)
Just as a guess, you might try deleting .fasl files in cl-opengl and cffi directories, if that doesn't help, will need more information:
On 3/5/08, James Baker cycle.code.media@gmail.com wrote:
"division-by-zero" issue, I'm using both cffi + cl-opengl from darcs and sbcl 1.0.15.
What OS/platform/graphics card drivers?
(SB-VM:SIGFPE-HANDLER #<unavailable argument> #.(SB-SYS:INT-SAP #XB79FA9EC) #<unavailable argument>) 0]
What does it say if you type backtrace at that prompt?
-- -b-