#0  0x76ebcd08 in bignum_cmp_unsigned () from /home/kooda/coop/5.1.0rc1/lib/libchicken.so.11
#1  0x76ecdd00 in C_i_bignum_cmp () from /home/kooda/coop/5.1.0rc1/lib/libchicken.so.11
#2  0x76cb9284 in basic_eqvp () from /home/kooda/coop/5.1.0rc1/lib/libchicken.so.11
Backtrace stopped: previous frame identical to this frame (corrupt stack?)