Date: Sat, 29 Nov 2008 16:03:40 -0800 From: "Garrett Cooper" <yanefbsd@gmail.com> To: "Giorgos Keramidas" <keramida@ceid.upatras.gr> Cc: freebsd-current@freebsd.org, Peter Wemm <peter@wemm.org> Subject: Re: tty problems in recent head? Message-ID: <7d6fde3d0811291603h23a6945cv193cb61ce3f5cc3c@mail.gmail.com> In-Reply-To: <7d6fde3d0811291602m3d10dcc6m9c9cbb3f2a8bcd47@mail.gmail.com> References: <87wseo731o.fsf@kobe.laptop> <87fxlcba7p.fsf@kobe.laptop> <87myfjma0k.fsf@kobe.laptop> <e7db6d980811282047o5a7ed4cerc466db6d51e616a4@mail.gmail.com> <87wsempm2k.fsf@kobe.laptop> <878wr2pj5p.fsf@kobe.laptop> <7d6fde3d0811291602m3d10dcc6m9c9cbb3f2a8bcd47@mail.gmail.com>
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On Sat, Nov 29, 2008 at 4:02 PM, Garrett Cooper <yanefbsd@gmail.com> wrote: > On Sat, Nov 29, 2008 at 8:54 AM, Giorgos Keramidas > <keramida@ceid.upatras.gr> wrote: >> On Sat, 29 Nov 2008 17:51:31 +0200, Giorgos Keramidas <keramida@ceid.upatras.gr> wrote: >>> On Fri, 28 Nov 2008 20:47:00 -0800, "Peter Wemm" <peter@wemm.org> wrote: >>> without -O2 optimizations, I'll keep going backwards to see if I can >>> locate the commit that this started happening. >> >> Heh, interesting... GENERIC from /head@185376 compiled with a >> `make.conf' that disables optimizations works fine so far: >> >> # CFLAGS?= -O2 -fno-strict-aliasing -pipe >> # COPTFLAGS?= -O -pipe >> NO_CPU_CFLAGS= # Don't add -march=<cpu> to CFLAGS automatically >> NO_CPU_COPTFLAGS= # Don't add -march=<cpu> to COPTFLAGS automatically > > Might be another compiler issue. There's an issue with > -fstrict-aliasing (at least) on all versions of g++ up to 4.2.3: > <http://lists.copyleft.no/pipermail/pyrex/2007-November/003071.html>. > Are there some compiler warnings when compiling kernel / screen? > Also, have you tried with just COPTFLAGS disabled? > -Garrett Actually, this may be the culprit: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35643 -Garrett
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