[Computer-go] Strange GNU Go ladder behavior

folkert folkert at vanheusden.com
Tue Jun 23 11:23:38 PDT 2015


check the output of `dmesg' to see if it segfaulted
and/or ulimit -c unlimited so that you will find a core file

On Thu, Jun 18, 2015 at 03:45:18PM -0700, Peter Drake wrote:
> Nope, we're still getting these crashes with more memory in the system. It
> still looks like it's always GNU Go that's crashing, and it always happens
> some way into a ladder that Orego shouldn't really be playing out.
> 
> On Thu, Jun 18, 2015 at 3:24 PM, Peter Drake <drake at lclark.edu> wrote:
> 
> > I have no idea what GNU Go does for memory management, but that does offer
> > up a possibility: maybe the machine in question (a Google Compute Engine
> > instance) is running out of memory. I've been using the highcpu machine
> > types; I'll try a standard one (which has more memory) and see if the same
> > thing happens.
> >
> >
> > On Thu, Jun 18, 2015 at 1:41 PM, uurtamo . <uurtamo at gmail.com> wrote:
> >
> >> What does it do for memory management? Is it ungracefully failing while
> >> evaluating the ladder itself due to ram issues?
> >>
> >> steve
> >> On Jun 18, 2015 12:15 PM, "Peter Drake" <drake at lclark.edu> wrote:
> >>
> >>> This list may not be able to help, but I'm running out of clues on this
> >>> one.
> >>>
> >>> I'm trying to run an experiment playing Orego against GNU Go in many
> >>> games. Some of the games don't end properly. As far as I can tell, here's
> >>> what happens:
> >>>
> >>> 1) Orego plays out a losing ladder. (That needs to be fixed, but that's
> >>> another problem.)
> >>> 2) At some point in the ladder, GNU Go quietly dies without responding
> >>> to the move request.
> >>>
> >>> Has anyone else encountered this?
> >>>
> >>> --
> >>> Peter Drake
> >>> https://sites.google.com/a/lclark.edu/drake/
> >>>
> >>> _______________________________________________
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> >>> Computer-go at computer-go.org
> >>> http://computer-go.org/mailman/listinfo/computer-go
> >>>
> >>
> >> _______________________________________________
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> >>
> >
> >
> >
> > --
> > Peter Drake
> > https://sites.google.com/a/lclark.edu/drake/
> >
> 
> 
> 
> -- 
> Peter Drake
> https://sites.google.com/a/lclark.edu/drake/

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Folkert van Heusden

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