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From: Jan Beich <jbeich@tormail.org>
To: "Mikhail T." <mi+thun@aldan.algebra.com>
Subject: Re: firefox crashes
In-Reply-To: <5174F238.6030704@aldan.algebra.com> (Mikhail T.'s message of
 "Mon, 22 Apr 2013 04:18:00 -0400")
Date: Mon, 22 Apr 2013 17:25:18 +0800
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"Mikhail T." <mi+thun@aldan.algebra.com> writes:

> Hello!
>
> Firefox-20 would not build with the regular compiler,

gcc42 support was dropped upstream at firefox18.

> so I installed the shiny new gcc-4.8
>
> This builds (though the attached patch is required -- at least, on
> i386),

It should have been fixed by files/patch-bug824317.

cf. https://bugzilla.mozilla.org/show_bug.cgi?id=824317

> but dies on startup from "illegal instruction".
>
> If I start under gdb, instead of SIGILL, I see segmentation fault --
> inside XRE_AddStaticComponent in libxul.so
>
> Using -safe-mode does not help. I tried switching to 17-esr, but seeing
> the same problem. The OS 8.2-STABLE/i386, running on a dual Opteron system.
>
> Any clues? Thanks!

8.2 has broken TLS but required by nsThreadManager and bundled jemalloc3.
Bugs in EOL releases are not going to be worked around:

http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/177644
http://www.freebsd.org/portmgr/policies_eol.html