Version: git-16165-0a4a523 64bit

The command below requires more than 20MB stack.  In v. 2.5.1 it completes at default 8MB stack for any initial seed.

setrand(1);bnrstark(bnrinit(bnfinit(quadpoly(8,y)),168,1),[2,0,0,1;0,2,0,1;0,0,2,0;0,0,0,1]);

Thanks,

Igor