At 18:21 31-10-2009 +0200, matrix one wrote:
Hi,
Is happend only with toga2
Linux s3 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009
x86_64 GNU/Linux
xboard -debug -size huge -coords -scp 'polyglot
/home/matrix/.polyglot/toga2.ini' -fcp 'polyglot
/home/matrix/.polyglot/stockfish.ini'
StartChildProcess (dir=".") polyglot /home/matrix/.polyglot/stockfish.ini
StartChildProcess (dir=".") polyglot /home/matrix/.polyglot/toga2.ini
Warning: XtRemoveGrab asked to remove a widget not on the list
xboard: Error: second chess program (polyglot
/home/matrix/.polyglot/toga2.ini) exited unexpectedly
*** glibc detected *** xboard: double free or corruption (out):
0x00007fff12a1af40 ***
Hmm, the RemoveGrab warning makes it a bit suspect. I could find only one
call to XtRemoveGrab()
in the entire source, and this is in ThawUI(). Apparently XBoard uses the
kludge to let a deaf-and-dumb
widget (the messageWidget) grab focus while waiting for the engine to
complete initialization.
I am not sure if we are dealing here with a bug in the error exit procedure
triggered by toga2 crashing,
or that something is badly wrong in XBoard that makes it unjustly believe
toga2 exits. I suspect
the former, as that would explain why this only happens with toga2, and not
with other engines.
Is this a reproducible error? If so, it would help to see the Polyglot log
file (which can be obtained
by setting PolyglotLog=true in the toga2.ini file), which mght indicate if
the trouble starts there.
H.G.
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