In article <20010830.222442.09089847.mochid@netside.co.jp>,
MOCHIDA Shuji <mochid@netside.co.jp> wrote:
>
>Netscape 4.75 for Solaris x86 (navigator-v475-us.x86-sun-solaris2.5.1.tar.gz)
>make kernel drop into debugger. The kernel compiled from "current" source 
>supped at yesterday. On 1.5.1 kernel, 1.5W supped at Jun 5 kernel both 
>netscape works without problem, no "unknown svr4 fast trap 2" line appears.
>
>

Fast trap 2 is "set emulated floating point context" which we don't implement.
I wonder what broke and you are getting this.

christos