> as noted, I'd guess I've got problems with Xorg, which cause Firefox to
> crash. Probably some of the improvements in Quantum are just depending
> on a more stable Xorg, e.g. correctly initialised modules.
> For a first review, I add the output of lspci and lsmod - please tell
> me, what else You may need, as I don't have a deep knowledge, sorry. But
> I still want to learn ;-)
can you change AccelMethod to check if the issues still happen?