graph (plotutils) seg-faulting

Tony Richardson richardson.tony@gmail.com
Wed Jul 22 00:10:15 GMT 2020


I have attached both the cygcheck and strace output.

Tony Richardson

On Tue, Jul 21, 2020 at 7:00 PM Brian Inglis <
Brian.Inglis@systematicsw.ab.ca> wrote:

>
> On 2020-07-21 10:17, Tony Richardson via Cygwin wrote:
> > On Tue, Jul 21, 2020 at 9:51 AM Brian Inglis wrote:
> >> On 2020-07-20 22:28, Marco Atzeri via Cygwin wrote:
> >>> On 21.07.2020 05:12, briand wrote:
> >>>> On Sun, 19 Jul 2020 21:15:26 +0200
> >>>> Marco Atzeri via Cygwin wrote:
>
> >>>>>> Can I just back up my home directory, kill the entire cygwin64
> >>>>>> directory and start over?
> >>>>> I suggest to install in a parallel directory, they works fine
> >>>>> without interference, eg in my system I have:>>>>> In this way you
> can copy your home more easily and kill the old one
> >>>>> when everything is fine.
> >>>> I tell you my work machine is just cursed.  Installed a fresh cygwin,
> >>>> the only package i chose was plotutils, and i get the exact same
> >>>> problem.
> >>>> Not sure where to go from here...
>
> >>> I bet the curse is a BLODA
> >>> https://cygwin.com/faq/faq.html#faq.using.bloda
> >>> also as I noted that the loading address of your DLLs is **very** low
>
> >>> my pc:
> >>> $ grep cygwin1.dll graph.strace
> >>> --- Process 84828 loaded D:\cygwin64\bin\cygwin1.dll at
> 0000000180040000
>
> >>> your strace
> >>> $ grep cygwin1.dll temp.txt
> >>> --- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 0000000000ce0000
> >>> --- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 0000000000ee0000
> >>> --- Process 3080 loaded C:\cygwin64\bin\cygwin1.dll at 00000000014f0000
>
> >>> can you exclude the AV from your cygwin directory ?
>
> > I just wanted to mention that I am having similar problems with graph as
> > the original poster (memory access error after loading cygiconv-2.dll).
> I
> > am running Windows Defender as my only AV.  The problem persists after
> > turning that off though.
>
> I have been running Cygwin with W10 Defender since it came out with no
> issues.
> YMMV. AVs are not the only type of BLODA.
>
> Please post or attach as plain text verbatim copies of the failing
> commands,
> output, and suggested diagnostics, so we can see where the issues are
> similar or
> may differ.
>
> --
> Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
>
> This email may be disturbing to some readers as it contains
> too much technical detail. Reader discretion is advised.
> [Data in IEC units and prefixes, physical quantities in SI.]
> --
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