Date: Tue, 4 May 2004 22:47:23 -0700 From: "David O'Brien" <obrien@freebsd.org> To: Doug White <dwhite@gumbysoft.com> Cc: current@freebsd.org Subject: Re: src/sys/vm/vm_init.c v1.43 hangs amd64 Message-ID: <20040505054723.GB30514@dragon.nuxi.com> In-Reply-To: <20040501082529.C80212@carver.gumbysoft.com> References: <20040430135155.C67990@carver.gumbysoft.com> <20040501082529.C80212@carver.gumbysoft.com>
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On Sat, May 01, 2004 at 08:42:46AM -0700, Doug White wrote: > 2. Changing COPTFLAGS to '-O -frename-registers -pipe' from the default > '-O2 -frename-registers -pipe' stops the crash. So it may be an > O2-specific optimization bug. ... > So in the end, at -O2, (nswbuf*MAXPHYS) != nswbuf*MAXPHYS. Creepy, eh? > I'll see if I can come up with a standalone test case to submit to the gcc > folks. Thanks! This is the first report of an -O2 problem, and I'm very happy you're willing to try to narrow this down so we don't have to return to -O[1]. -- -- David (obrien@FreeBSD.org)
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