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Date: Sat, 8 May 2004 10:10:05 +0900
From: YONETANI Tomokazu <qhwt+freebsd-current@les.ath.cx>
To: Doug White <dwhite@gumbysoft.com>
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cc: freebsd-current@freebsd.org
Subject: Re: src/sys/vm/vm_init.c v1.43 hangs amd64
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Hi.

On Sat, May 01, 2004 at 08:42:46AM -0700, Doug White wrote:
> On Fri, 30 Apr 2004, Doug White wrote:
> 
> > I've been having problems with adm64 hanging under load on my dual opteron
> > 244 machine. Its a HDAMA mainboard with 2GB RAM.  The problems started
> > around April 8.  I finally found some time this week to narrow down the
> > commit that causes the breakage; its rev 1.43 of src/sys/vm/vm_init.c.
[snip]
> 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.

Just out of curiocity, can this bug still be triggered if you leave
-frename-registers out of COPTFLAGS?