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Date:	Sun, 19 Jul 2020 08:55:55 -0700
From:	<briand AT pounceofcats DOT com>
To:	Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Subject:	Re: graph (plotutils) seg-faulting
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On Sun, 19 Jul 2020 08:04:48 +0200
Marco Atzeri via Cygwin <cygwin AT cygwin DOT com> wrote:

> On 18.07.2020 23:12, briand AT pounceofcats DOT com wrote:
> > Hi,
> > 
> > So i noticed graph wasn't doing anything, i could even get it to respond to the help argument.
> > 
> > I attached strace to it, and it shows that it was seg-faulting.
> > 
> > I _just_ did an update, specifically to see if that would fix it and it did not.
> > 
> > 1 could someone reproduce this ?
> > 2 what should i do for a bug report ?
> > 
> > I was running graph in a terminal in X not in a terminal window under win10.
> > 
> > Thanks,
> >   
> 
> Hi Brian,
> graph is working for me.
> 
> Please provide the cygcheck.out, as attachment, for your system,
>   as mentioned in
> 
> Problem reports:      https://cygwin.com/problems.html
> 
> 
> So first, is a simple test working ?
> 
> $ echo 0 0 1 1 2 0 | spline | graph > test.meta
> $ plot -T X test.meta
> 
> if yes, how I can replicate your segfault ?
> 
> If the strace is not too large, can you attach to your reply ?
> If it is too long send to me directly by private mail.
> 

oh good grief.  i just tried this on my home win 10 box, and works perfectly.

unfortunately, my work box, which has a history of weird problems with cygwin, is the one having the problem.  there's too much work-related stuff in the cygcheck output for me to pass it on.

However the strace is ok, so i have attached it.

Just to be clear,

  graph --help

segfaults, so the problem is at a _really_ low level.

I'll try setting up a "new" directory install and see if i can reproduce it.

-- 
Brian


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--- Process 3080 created
--- Process 3080 loaded C:\Windows\System32\ntdll.dll at 00007ffc95740000
--- Process 3080 loaded C:\Windows\System32\kernel32.dll at 00007ffc93db0000
--- Process 3080 loaded C:\Windows\System32\KernelBase.dll at 00007ffc92860000
--- Process 3080 thread 11016 created
--- Process 3080 thread 1928 created
--- Process 3080 loaded C:\cygwin64\bin\cygplot-2.dll at 0000000000600000
--- Process 3080 unloaded DLL at 0000000000600000
--- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 0000000000ce0000
--- Process 3080 unloaded DLL at 0000000000ce0000
--- Process 3080 loaded C:\cygwin64\bin\cygplot-2.dll at 0000000000600000
--- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 0000000000ee0000
--- Process 3080 thread 9632 created
--- Process 3080 unloaded DLL at 0000000000ee0000
--- Process 3080 loaded C:\cygwin64\bin\cygpng16-16.dll at 0000000000190000
--- Process 3080 unloaded DLL at 0000000000190000
--- Process 3080 loaded C:\cygwin64\bin\cygXaw-7.dll at 0000000000730000
--- Process 3080 loaded C:\cygwin64\bin\cygX11-6.dll at 0000000000ee0000
--- Process 3080 unloaded DLL at 0000000000730000
--- Process 3080 unloaded DLL at 0000000000ee0000
--- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 00000000014f0000
--- Process 3080 loaded C:\cygwin64\bin\cygXt-6.dll at 0000000000190000
--- Process 3080 loaded C:\cygwin64\bin\cygXext-6.dll at 0000000000080000
--- Process 3080 unloaded DLL at 0000000000080000
--- Process 3080 unloaded DLL at 0000000000190000
--- Process 3080 loaded C:\cygwin64\bin\cygpng16-16.dll at 0000000000190000
--- Process 3080 loaded C:\cygwin64\bin\cygX11-6.dll at 0000000000ee0000
--- Process 3080 loaded C:\cygwin64\bin\cygXaw-7.dll at 0000000000730000
--- Process 3080 loaded C:\cygwin64\bin\cygXt-6.dll at 0000000001010000
--- Process 3080 loaded C:\cygwin64\bin\cygz.dll at 00000000001d0000
--- Process 3080 loaded C:\cygwin64\bin\cygXext-6.dll at 00000000007a0000
--- Process 3080 unloaded DLL at 00000000001d0000
--- Process 3080 loaded C:\cygwin64\bin\cygXmu-6.dll at 00000000007c0000
--- Process 3080 loaded C:\cygwin64\bin\cygxcb-1.dll at 00000000001d0000
--- Process 3080 unloaded DLL at 00000000001d0000
--- Process 3080 unloaded DLL at 00000000007c0000
--- Process 3080 loaded C:\cygwin64\bin\cyggcc_s-seh-1.dll at 0000000001070000
--- Process 3080 unloaded DLL at 0000000001070000
--- Process 3080 loaded C:\cygwin64\bin\cygICE-6.dll at 00000000001d0000
--- Process 3080 unloaded DLL at 00000000001d0000
--- Process 3080 loaded C:\cygwin64\bin\cygSM-6.dll at 0000000000020000
--- Process 3080 unloaded DLL at 0000000000020000
--- Process 3080 loaded C:\cygwin64\bin\cygXpm-4.dll at 00000000001d0000
--- Process 3080 unloaded DLL at 00000000001d0000
--- Process 3080 loaded C:\cygwin64\bin\cygz.dll at 00000000001d0000
--- Process 3080 loaded C:\cygwin64\bin\cygxcb-1.dll at 0000000001070000
--- Process 3080 loaded C:\cygwin64\bin\cygXmu-6.dll at 00000000007c0000
--- Process 3080 loaded C:\cygwin64\bin\cygICE-6.dll at 00000000010c0000
--- Process 3080 loaded C:\cygwin64\bin\cygSM-6.dll at 0000000000020000
--- Process 3080 loaded C:\cygwin64\bin\cygXpm-4.dll at 00000000010e0000
--- Process 3080 loaded C:\cygwin64\bin\cyggcc_s-seh-1.dll at 00000000010a0000
--- Process 3080 loaded C:\cygwin64\bin\cygXau-6.dll at 00000000000a0000
--- Process 3080 unloaded DLL at 00000000000a0000
--- Process 3080 loaded C:\cygwin64\bin\cygXdmcp-6.dll at 00000000000a0000
--- Process 3080 unloaded DLL at 00000000000a0000
--- Process 3080 loaded C:\cygwin64\bin\cyguuid-1.dll at 00000000001f0000
--- Process 3080 unloaded DLL at 00000000001f0000
--- Process 3080 loaded C:\cygwin64\bin\cygXau-6.dll at 00000000000a0000
--- Process 3080 loaded C:\cygwin64\bin\cygXdmcp-6.dll at 0000000001100000
--- Process 3080 loaded C:\cygwin64\bin\cyguuid-1.dll at 00000000001f0000
--- Process 3080 loaded C:\cygwin64\bin\cygintl-8.dll at 0000000001110000
--- Process 3080 unloaded DLL at 0000000001110000
--- Process 3080 loaded C:\cygwin64\bin\cygintl-8.dll at 0000000001110000
--- Process 3080 loaded C:\cygwin64\bin\cygiconv-2.dll at 0000000001130000
--- Process 3080 unloaded DLL at 0000000001130000
--- Process 3080 loaded C:\cygwin64\bin\cygiconv-2.dll at 0000000001130000
--- Process 3080, exception c0000005 at 00000000014f5075
--- Process 3080 thread 7620 exited with status 0xc0000005
--- Process 3080 thread 9632 exited with status 0xc0000005
--- Process 3080 thread 1928 exited with status 0xc0000005
--- Process 3080 exited with status 0xc0000005

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