Linux binary looks for /proc/cpuinfo, dies when cannot be found, even when linprocfs mounted.

[Benjamin]

>> grep: /proc/cpuinfo: No such file or directory
> Err, so it was an error from grep ? I bet that some script run the
> host (FreeBSD) version of external utility, simply because there is
> no /compat/linux/usr/bin/grep installed. Then, since FreeBSD binary
> has FreeBSD branding, it indeed accessed native /proc, and not translated
> /compat/linux/proc.
>
Correct. But this wasn't a script, it was an executable. In any case, 
using brandelf to mark in as Linux seems to have solved the problem.