In message <20050820081016.GA15156@colwyn.zhadum.de>, Matthias Scheler writes:
>On Sat, Aug 20, 2005 at 10:04:54AM +0200, Geert Hendrickx wrote:
>> On Sat, Aug 20, 2005 at 08:45:57AM +0100, Matthias Scheler wrote:
>> > Do you use the X11 bundled with NetBSD 3.0_BETA (XFree86 4.5.0) or
>> > something else e.g. Xorg?
>> x.org from pkgsrc (xsrc doesn't support my video card).  
>
>That's probably what causes your problem because I use XFree86 4.5.0.
>

I had had the same problem; I posted about it in May.  Here's a 
followup I posted in July:

Subject: Re: firefox-bin on -current?
From: "Steven M. Bellovin" <smb@cs.columbia.edu>
Date: Wed, 13 Jul 2005 14:02:34 -0400
To: current-users@NetBSD.org

In message <20050524160658.91FED3BFFF5@berkshire.machshav.com>, "Steven M. Bell
ovin" writes:
>In message <20050524172320.571378a2.juan@xtrarom.org>, Juan RP writes:
>>On Tue, 24 May 2005 09:41:27 -0400
>>"Steven M. Bellovin" <smb@cs.columbia.edu> wrote:
>>
>>> Is anyone successfully running firefox-bin 1.0.4 on -current?  On my 
>>> machines, I'm getting a segmentation fault.  (I need the -bin version 
>>> because I often can't print from the compiled version -- but that's a 
>>> separate problem.)
>>
>>Running fine here:
>>
>>NetBSD Nocturno 3.99.5 NetBSD 3.99.5 (Nocturno) #30: Mon May 23
>>11:15:04 CEST 2005  juan@Nocturno:/home/juan/build/obj/sys/arch/i386/
>>compile/Nocturno i386
>>
>>[juan@Nocturno][~]> pkg_info|grep firefox
>>firefox-bin-1.0.4   Lightweight gecko-based web browser (binary package)
>>[juan@Nocturno][~]>
>>
>
>Hmm -- I wonder if it has anything to do with the fact that I use xorg.
>

1.0.5 is now working for me.  I suspect that the fix had less to do 
with a new version of firefox than with the problems discussed a few 
days ago with xorg and linux emulation fonts (pkg/30690 and 30008)

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb