
The hardware is Pentium 4 2GHz with an Intel 82845G internal graphics running Debian Testing and version 2.21.15 of the Intel i8xx/i9xx driver. Minetest version 0.4.6, but also had the same problem with 0.4.8.
Everything else runs fine with all graphics settings disabled. Also works with 3D clouds, fancy trees and smooth lighting enabled. Other settings are either slow or cause other problems, but that is to be expected. Tried enable_texture_atlas = false as suggested for another inventory issue, but the problem persists.