Re: [Scidvspc-users] Bug between ScidVsPC and Stockfish

[Jerome M. <jmo...@gm...>]

Hello

I can t réplicate it on ubuntu and sf7 for the moment but i keep go on with
your position
Le 23 Avr. 2016 02:26, "Steve A" <ste...@gm...> a écrit :

> I cant see the bug report, even after joining their bugzilla.
>
> But if they are happy to have their app crash with very reasonable
> input... i guess we should probably add a safeguard to handle it.
> Stockfish does many unfriendly things in a way *no* other engine does.
>
> This should handle it (also attached) and will probably get comitted,
> but as my version of SF doesnt crash, i cant test it.
>
> Index: tcl/tools/analysis.tcl
> ===================================================================
> --- tcl/tools/analysis.tcl    (revision 2523)
> +++ tcl/tools/analysis.tcl    (working copy)
> @@ -3544,6 +3544,9 @@
>          append cmd { [ } " after $delay sendPosToEngineUCI $n $delay " {
> ] }
>          set analysis(after$n) [eval [list after idle $cmd]]
>      } else {
> +        if {[sc_pos moves] == {}} {
> +          return
> +        }
>          ### Dont send position if annotating and in book
>      if { $::annotate(Engine) == $n && ! $::wentOutOfBook &&
> $::useAnalysisBook} {
>        bookAnnotation
>
> On Fri, Apr 22, 2016 at 12:27 AM, Alex Wood <al...@un...> wrote:
> > Hi,
> >
> > I configured ScidVsPC to use the Stockfish chess engine and noticed an
> > issue where Stockfish would crash when asked to evaluate a position
> > already in checkmate.  This issues happens frequently if Stockfish is
> > running during the checkmate in N training.  Solving the puzzle results
> > in a crash.
> >
> > I filed a bug on the issue at
> > https://bugzilla.redhat.com/show_bug.cgi?id=1325013 but the maintainer
> > attributed the issue to Stockfish being asked to evaluate an invalid
> > move.  Here's the engine log of an example crash:
> >
> > Engine: readyok
> > Scid  : position fen 4k3/8/4K2Q/8/8/8/8/8 w - - 3 8
> > Scid  : go infinite
> > [...] Engine analysis here
> > Scid  : stop
> > Scid  : isready
> > Engine: readyok
> > Engine: bestmove h6h8
> > Scid  : position fen 4k3/8/4K2Q/8/8/8/8/8 w - - 3 8 moves h6h8
> > Scid  : go infinite
> > Engine: info depth 0 score mate 0
> > Scid  : stop
> > Scid  : isready
> > Engine: readyok
> > Scid  : position fen 4k3/8/4K2Q/8/8/8/8/8 w - - 3 8 moves h6h8
> > Scid  : go infinite
> > Engine: bestmove (none)
> > Note: Engine terminated without warning.
> > Note: Engine terminated without exit code: "\"$standard_error\""
> >
> > Any thoughts or help would be greatly appreciated!
> > ------------
> > Regards,
> > Alex
> >
> >
> >
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