LD_PRELOAD 不能预载 Dota 2

Question

当我尝试使用 运行 Dota 2 时primusrun，它给了我这个错误，

ERROR: ld.so: object '/home/aleks/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.

malloc: unknown:0: assertion botched
free: called with unallocated block argument
last command: (null)
Aborting...Aborted (core dumped)
Game removed: AppID 570 "Dota 2", ProcID 28915 
Installing breakpad exception handler for appid(steam)/version(1411443970)

它仅在我使用primusrunwith时发生steam。