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From: Dennis Glatting <freebsd@pki2.com>
To: Andriy Gapon <avg@FreeBSD.org>
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Date: Sat, 06 Oct 2012 09:10:31 -0700
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Subject: Re: under ZFS, I can reliably crash my systems
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On Sat, 2012-10-06 at 18:20 +0300, Andriy Gapon wrote:
> on 06/10/2012 17:37 Dennis Glatting said the following:
> > On Fri, 2012-10-05 at 19:09 +0300, Andriy Gapon wrote:
> >> on 05/10/2012 17:33 Dennis Glatting said the following:
> >>> swap_pager: out of swap space
> >>> swap_pager_getswapspace(16): failed
> >>> pid 1847 (fstat), uid 0, was killed: out of swap space
> >>
> >> One thing I can tell you, your kernel and userland are out of sync.
> >>
> > 
> > How so? If svn src and rebuild everything. Do you mean ports?
> > 
> > Typical src build is:
> > 
> > svn co svn://svn.pki2.com/base/stable/9/ /disk-1/src
> > cd /usr/src; make -j65 buildworld
> > make installworld
> > yes | make delete-old
> > yes | make delete-old-libs
> > mergemaster
> > cd /sys/amd64/conf/
> > ./mkconfig.pl SMUNI.in 
> > config SMUNI
> > cd ../compile/SMUNI
> > make cleandepend && make depend && make
> > make install
> > 
> > That's fairly straight forward.
> 
> Why not use buildkernel target with KERNCONF=SMUNI?
> 

Is there a difference in the processes?


> Anyway, well, maybe your kernel (the one that produced the crashdump) was from
> before the upgrade.  fstat trying to allocate insane amounts of memory during
> vmcore processing is a sign that fstat and the kernel were compiled using
> different versions of system headers.
>