Last modified: 2014-11-12 08:31:38 UTC
See summary. Steps to reproduce ================== 1) Log in on dewiki 2) Go to https://de.wikipedia.org/wiki/Spezial:Einstellungen#mw-prefsection-rendering, select "Clientseitiges MathJax (langsam, verbessert das Rendering auf einigen Browsern und Barrierefreiheitswerkzeugen)" (Client-side MathJax), and save the change. 3) Go to https://de.wikipedia.org/wiki/Ger%C3%A4nderte_Hesse-Matrix. Notice that none of the formulas is displayed. (Tested with Firefox and Chrome.)
Change was: https://github.com/wikimedia/operations-mediawiki-config/commit/975fb76d43ef37346609f1e45123d31a7ddd6d69 Problem was affecting ppl with hhvm enabled, running on trusty machines ? Reedy found in logs: message repeated 384 times: [ #012Notice: Missing <code>texvccheck</code> executable. Please see math/README to configure. in /srv/mediawiki/php-1.25wmf6/extensions/Math/MathInputCheckTexvc.php on line 65] Reedy rv'ing, but texvccheck issue on these hosts needs to be tackled.