Thanks to jhansen and Wolfram Joost for the fixes and to ryd for the test hardware.
Seems like the user space segfaults actually came from this patch: http://lkml.org/lkml/2006/12/12/158
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9285 3c298f89-4303-0410-b956-a3cf2f4a3e73
Gabor Juhos
Felix Fietkau