I am getting a reproduceable lockup with Prboom-Plus (Its a doom game engine)

when there is loads of monsters on screen, it seems to lock, starting with
R600_HYPERZ=false negates the lock up.

Card is a Evergreen Juniper (XFX HD6770 1GB)

how to reproduce, start prboom with doom2.wad and the files and demos from here

http://www.doomworld.com/idgames/index.php?id=12597 (Deus Vault)

also you will require the non-free doom2.wad file from the game.

and play the demo with this command from inside the unzipped dir.


prboom-plus -file DV.wad -fastdemo PRBoom\ 2.2.4\ Demos/DV01-UVMAX2.lmp

at some point when the player drops down a shaft to a room with many monsters
it will lock does this everytime.

OS is Mageia 3 Beta 4, with Mesa 9.1.1 Xorg 1.13.3 and kernel 3.8.3