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 Sun, 19 Jul 2020 10:46:32 -0700 (PDT)
Subject: Re: graph (plotutils) seg-faulting
To: cygwin AT cygwin DOT com
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Date: Sun, 19 Jul 2020 19:46:31 +0200
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From: Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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On 19.07.2020 17:55, briand AT pounceofcats DOT com wrote:
> 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.
> 
> 
> --

it seems a problem with loading cygiconv-2.dll

--- 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

but the address fault seems in cygwin1.dll

--- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 00000000014f0000

what version is installed ?

Can you try to reinstall it ?

$ cygcheck -f /usr/bin/cygiconv-2.dll
libiconv2-1.14-3



Regards
Marco


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