# [OS X TeX] A problem with TeXShop

"M. Tamer Özsu" ozsut at mac.com
Sat Jun 3 18:55:58 EDT 2017

Thanks Dick. I am not using pstricks, but I am using tikz. The issue is that this does not happen all the time; only when compilation runs into a problem (and even then not always). It is possible that the problematic run is running into a tikz problem somewhere.

==Tamer
--
M. Tamer Özsu
Professor, Cheriton School of Computer Science
University of Waterloo
https://cs.uwaterloo.ca/~tozsu <https://cs.uwaterloo.ca/~tozsu>
+1-519-888-4043

> On Jun 3, 2017, at 6:53 PM, Richard M. Koch <koch at uoregon.edu <mailto:koch at uoregon.edu>> wrote:
>
> I think you have run into an Apple bug, which we reported to Apple several weeks ago.
>
> The bug occurs if you
>
> 	\usepackage{pstricks}
>
> but then typeset using pdflatex. Of course pstricks requires typesetting with TeX + DVI, but some
> users have been including pstricks, but not actually using any features of the package. This worked
>
> Sometimes, \usepackage{tikz} is also required to trigger the bug.
>
> The resulting pdf displays fine in Adobe Acrobat, but hangs both Preview and TeXShop, because
> both use PDFKit to display pdf files. Once the pdf is bad, restarting TeXShop will cause it to try
> to load the pdf again and crash again.
>
> If this isn't it, write again. There is another Apple bug with difference consequences, but
> this is the most likely in your case.
>
> Dick Koch
>
>
>> On Jun 3, 2017, at 3:43 PM, M. Tamer Özsu <ozsut at mac.com <mailto:ozsut at mac.com>> wrote:
>>
>> I am having an interesting intermittent problem with TeXShop. If it runs into a compilation error, after I end the compilation session, it hangs up. I have to abort it, and subsequent restarts hang up as well. Usually I have to restart the system. This happens on two machines, both of which are on 10.12.5 and TeXShop version 3.77.
>>
>> I wonder if this happens to anyone else. I have not been able to figure out what the cause might be. It started in the last couple of weeks.
>>
>> ==Tamer
>> --
>> M. Tamer Özsu
>> Professor, Cheriton School of Computer Science
>> University of Waterloo
>> https://cs.uwaterloo.ca/~tozsu <https://cs.uwaterloo.ca/~tozsu>
>> +1-519-888-4043
>>
>>
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>
>
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