On Mon, Sep 19, 2016 at 12:13:07PM -0600, Jack J. Woehr wrote:
> Sol??ne Rapenne wrote:
> > Do you have messages like "seamonkey W^X violation" in dmesg log ?
> Seamonkey loads and runs for a moment. Then "Segmentation fault (core
> Dmesg: "seamonkey(89184): mmap W^X violation"
> > If so, is your /usr/local mountpoint mounted with wxallowed ?
> Yes. Or, more accurately, I only have one label "a" mounted as / and that is
Jack, I can think of only two possible reasons for this problem.
1. You are running a kernel which is beyond 6.0-release (such as a -current
and you are running with an out-of-sync package (such as 6.0-release). 
2. You are not actually running with wxallowed enabled.
I can only guess, of course, but I'll guess reason number 1.