[petsc-users] Issues with log_view on windows

[Barry Smith]

  What does Windows use for a path separator?

> On Nov 22, 2021, at 11:19 AM, Satish Balay via petsc-users <petsc-users at mcs.anl.gov> wrote:
> 
> Well our build tools use cygwin - but the library is built with MS/Intel compilers - they use paths in windows notation.
> 
> I'm not sure if there is a way to get windows PATHs without ':' 
> 
> Satish
> 
> On Mon, 22 Nov 2021, Matthew Knepley wrote:
> 
>> On Mon, Nov 22, 2021 at 10:36 AM Milan Pelletier <
>> milan.pelletier at protonmail.com> wrote:
>> 
>>> Matt,
>>> Thanks for the answer. I could fix my issue regarding unbalanced events -
>>> and so SNES ex5 does work well too.
>>> By the way, such imbalance does not trigger errors when log_view is using
>>> plain ascii output, but it does fail when ascii_xml is used instead.
>>> 
>> 
>> Yes, we have a "failsafe" for the regular logging, but the XML is
>> specifically hierarchical and we do not know how to close it. We could take
>> another look at that.
>> 
>> 
>>> Unfortunately, regarding absolute paths, I had also tried to use cygwin
>>> paths (`/cygdrive/c/...`) but that does not work either.
>>> 
>> 
>> Hmm, that should work I think. Satish, do we have a machine to login and
>> test something like this?
>> 
>>  Thanks,
>> 
>>     Matt
>> 
>> 
>>> Best,
>>> Milan
>>> 
>>> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>>> Le lundi 22 novembre 2021 à 2:39 PM, Matthew Knepley <knepley at gmail.com>
>>> a écrit :
>>> 
>>> On Mon, Nov 22, 2021 at 5:38 AM Milan Pelletier via petsc-users <
>>> petsc-users at mcs.anl.gov> wrote:
>>> 
>>>> Dear PETSc team,
>>>> 
>>>> The way some options are passed to PETSc can be an issue on Windows, in
>>>> particular regarding the "log_view" option.
>>>> Since the colon ':' character is used as a separator, I do not see how
>>>> absolute paths should be provided on Windows (since the drive name includes
>>>> a colon). Is there a trick / workaround to overcome this?
>>>> 
>>> 
>>> I thought we used Cygwin paths, but maybe one of the Windows people knows
>>> better.
>>> 
>>> 
>>>> Besides, when I try to use the ascii_xml format, it crashes in file
>>>> xmllogevent.c, on line 751:
>>>>  illegalEvent = 1+nestedEvents[nNestedEvents-1].nstEvent;
>>>> (since nestedEvents is NULL).
>>>> 
>>> 
>>> This likely means that you have unbalanced events. I can run this on
>>> examples. For instance does SNES ex5 work for you?
>>> 
>>>  Thanks,
>>> 
>>>     Matt
>>> 
>>> 
>>>> I'm using PETSc version 3.16.1 (using `git checkout tags/v3.16.1`).
>>>> 
>>>> Thanks for your help,
>>>> Best regards,
>>>> Milan Pelletier
>>>> 
>>>> 
>>> 
>>> --
>>> What most experimenters take for granted before they begin their
>>> experiments is infinitely more interesting than any results to which their
>>> experiments lead.
>>> -- Norbert Wiener
>>> 
>>> https://www.cse.buffalo.edu/~knepley/
>>> <http://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>>

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