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From:	"karl AT aspodata DOT se [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To:	geda-user AT delorie DOT com
Subject:	Re: [geda-user] errors in git gschem
In-reply-to:	<alpine.DEB.2.21.2105271814260.1069@nimbus>
References:	<20210527152030 DOT 03D81832CA7E AT turkos DOT aspodata DOT se> <alpine DOT DEB DOT 2 DOT 21 DOT 2105271814260 DOT 1069 AT nimbus>
Comments:	In-reply-to Roland Lutz <rlutz AT hedmen DOT org>
	message dated "Thu, 27 May 2021 18:24:13 +0200."
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Date:	Thu, 27 May 2021 19:54:49 +0200 (CEST)
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Roland:
> On Thu, 27 May 2021, karl AT aspodata DOT se [via geda-user AT delorie DOT com] wrote:
> > (gschem:7419): libgedacairo-CRITICAL **: 17:15:42.563: file 
> > edarenderer.c: line 585 (eda_renderer_draw_hatch): should not be reached
...
> My guess would be some kind of memory corruption.  Maybe you could run 
> gschem under memcheck (valgrind) and see if there's anything suspicious?

$ valgrind --tool=memcheck /usr/local/bin/gschem > log 2>&1 (and similar)

a, http://aspodata.se/tmp/valgrind_memcheck_gschem_log
b, http://aspodata.se/tmp/valgrind_memcheck_gschem_1.9.2_log
c, http://aspodata.se/tmp/valgrind_memcheck_lepton_log

a and b compares the same (the adresses are different) up to half the 
log file, they begin to differ at the "Thread 3:" line in a.
c is almost empty.

///
$ egrep -v ' (by|at) ' valgrind_memcheck_gschem_log | grep ^== | grep -v '== $'| sed -ne '1,/HEAP/p' | grep -v '  '| sort | uniq -c | sort -rn
     62 ==8548== Conditional jump or move depends on uninitialised value(s)
     57 ==8548== Use of uninitialised value of size 8
      3 ==8548== Thread 1:
      2 ==8548== Thread 3:
      2 ==8548== Invalid read of size 8
      1 ==8548== will still be recorded, but in less detail than before.
      1 ==8548== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
      1 ==8548== Thread 2:
      1 ==8548== Process terminating with default action of signal 11 (SIGSEGV)
      1 ==8548== Memcheck, a memory error detector
      1 ==8548== HEAP SUMMARY:
      1 ==8548== Command: /usr/local/bin/gschem

Regards,
/Karl Hammar

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