The shell command
"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/79b0b2ab1b11d1be6393aa783dd23b43.gif" -- '\Large \int\limits_a^b mx\, \mathrm dx'
returned status = 126
Image not found!
Please try the debugging script