Date: Fri, 02 Sep 2005 17:10:04 -0500 From: "Jeremy Messenger" <mezz7@cox.net> To: "Panagiotis Astithas" <past@ebs.gr> Cc: gnome@freebsd.org, Oleg Sharoiko <os@rsu.ru>, nlsn@free.fr, bug-followup@freebsd.org, Daniel Roethlisberger <daniel@roe.ch> Subject: Re: ports/72014: Eclipse doesn't work (SigBus 10) if it has been built with GTK Message-ID: <op.swhw62bo9aq2h7@mezz.mezzweb.com> In-Reply-To: <op.swhjnytu9aq2h7@mezz.mezzweb.com> References: <20050901233650.GE28854@dragon.roe.ch> <43181DFF.8080605@ebs.gr> <op.swhjnytu9aq2h7@mezz.mezzweb.com>
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On Fri, 02 Sep 2005 12:17:48 -0500, Jeremy Messenger <mezz7@cox.net> wrote: > On Fri, 02 Sep 2005 04:40:15 -0500, Panagiotis Astithas <past@ebs.gr> > wrote: > >> I'm forwarding this to the people who are responsible for this. >> >> Daniel Roethlisberger wrote: >>> I have just double checked on my pentium-m box, I can confirm that >>> adding -mno-sse2 does solve the problem for me (at least as far as I >>> can >>> tell, as there is no definitive way to reproduce the problem). >>> Compiling x11-toolkits/gtk20 with CPUTYPE?=pentium-m and CFLAGS=-O >>> -pipe >>> results in an unstable eclipse, while compiling gtk20 with the same >>> CPUTYPE but CFLAGS=-O -pipe -mno-sse2 saves the day, giving me a stable >>> eclipse. >>> Can we add some kind of -mno-sse2 hack to the GTK port for the time >>> being, or is there a better solution? >> >> >> Some background: >> >> In PR ports/72014 it was reported a long time ago that eclipse/gtk >> crashes and this was tracked down to non-standard compiler >> optimizations when building gtk. There have been similar bug reports >> filed against the eclipse and gcc bug databases. Some gcc people have >> tracked it down to incorrect stack alignment (see ports/72014 for the >> pointers) and have received reports that using -mno-sse2 fixed it. >> Daniel has verified that this seems to help our case also. > > It's a nice find the locate that SSE2 is causing the problem. > Mono/gtk-sharp have the same problems and we always have to tell them to > not tweak the CPUTYPE. After look at our PR and GCC's PRs, looks like > might be either GCC or our libc bug. > >> Therefore the question is, should we force -mno-sse2 to the compiler >> flags for the gtk ports? I would expect less bug reports from people >> who compile gtk apps with non-standard CFLAGS, at least. > > It's good idea, I would like to add -mno-sse2 too. Here's patch, so let > me know if I don't understand it correct or/and my English isn't right. I have committed it in both MC and offical ports tree. Cheers, Mezz > http://people.freebsd.org/~mezz/diff/gtk20.diff > > Keep in mind, this patch is for MC. After that go in MC and I will put > in offical one too. > > Cheers, > Mezz > >> Cheers, >> >> Panagiotis -- mezz7@cox.net - mezz@FreeBSD.org FreeBSD GNOME Team http://www.FreeBSD.org/gnome/ - gnome@FreeBSD.org
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