misc/133264: [build] make buildworld on RELENG_6_4 is broken on
SMP machines
Victor Sudakov
sudakov at sibptus.tomsk.ru
Tue Apr 7 22:40:04 PDT 2009
The following reply was made to PR misc/133264; it has been noted by GNATS.
From: Victor Sudakov <sudakov at sibptus.tomsk.ru>
To: John Baldwin <jhb at freebsd.org>
Cc: bug-followup at freebsd.org
Subject: Re: misc/133264: [build] make buildworld on RELENG_6_4 is broken on SMP machines
Date: Wed, 8 Apr 2009 12:30:02 +0700
John Baldwin wrote:
> > > > > tree. If that is the case, a build without -j4 should also fail and
> > > should
> > > > > show you where you have object files lying around.
> > > >
> > > > Building on VMWare ESXi 3.5.0 Update 3 (FreeBSD as a guest OS) still
> > > > fails occasionally if more than 1 CPU is allocated to the virtual
> > > > machine. The failures are due to processes like sh, sed or cc1 dupming
> > > > core on signal 11 during the build.
> > > >
> > > > I am using a pristine source tree now.
> > > >
> > > > The problem seems to be SMP related because enabling only 1 virtual
> > > > CPU removes the problem.
> > > >
> > > > Should I open a new PR?
> > >
> > > Yes, this seems to be a different problem. :( Do you see this building other
> > > source trees as well? (e.g. RELENG_6 or RELENG_7).
> >
> > RELENG_7_1 is not affected.
> > RELENG_6 is not affected.
>
> This is all while running the same kernel?
Each its own kernel.
On the 6.4-RELEASE SMP kernel, any large compilation will crash
eventually with signal 11. Using "-j4" or higher seems to aggravate
the problem.
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru
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