installing a backtrace with debuginfos

Hi there, I have an issue with Lightspark that I would like to report upstream. I would like to obtain a backtrace from GDB, but I would like to install the required debuginfo packages first on my system (otherwise, it seems impossible that GDB finishes downloading some debuginfo). According to https://fedoraproject.org/wiki/StackTraces#Installing_debuginfo_RPMs_usin..., all I have to do is: dnf debuginfo-install lightspark But I get the following messages: Dependencies resolved. Nothing to do. Complete! Is there a single command to install all debuginfo packages from all installed packages on my system? Many thanks for your help, Pablo