I use Version 15.04 Ubuntu. I have no problems wıth usage of Dota 2 but Dota 2 Reborn.
It crashes after I see its logo on screen. The game's logs are in the below
Game update: AppID 570 "Dota 2", ProcID 5818, IP 0.0.0.0:0
ERROR: ld.so: object '/home/realbyx/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/home/realbyx/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/home/realbyx/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
pid 5834 != 5833, skipping destruction (fork without exec?)
ERROR: ld.so: object '/home/realbyx/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
ERROR: ld.so: object '/home/realbyx/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
Using breakpad crash handler
Setting breakpad minidump AppID = 570
Forcing breakpad minidump interfaces to load
Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit
Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit
Steam_SetMinidumpSteamID: Caching Steam ID: 76561198075820721 [API loaded yes]
Steam_SetMinidumpSteamID: Setting Steam ID: 76561198075820721
Setting breakpad minidump AppID = 373300
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
Installing breakpad exception handler for appid(gameoverlayui)/version(20150604103636)
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0)
ATTENTION: default value of option vblank_mode overridden by environment.
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0)
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 70: non-double matrix element
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 70: non-double matrix element
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 78: saw unknown, expected number
Fontconfig warning: "/home/realbyx/.local/share/Steam/steamapps/common/dota 2 beta/game/core/panorama/fonts/conf.d/41-repl-os-win.conf", line 148: Having multiple values in <test> isn't supported and may not work as expected
Fontconfig warning: "/home/realbyx/.local/share/Steam/steamapps/common/dota 2 beta/game/core/panorama/fonts/conf.d/41-repl-os-win.conf", line 160: Having multiple values in <test> isn't supported and may not work as expected
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0)
Hero npc_dota_hero_antimage has no HeroID defined. This will break stats tracking!Error: VerifyHeroIDs():
Hero npc_dota_hero_antimage has no HeroID defined. This will break stats tracking!
Attempting to create OpenGL context: v3.3 (Core profile)...success.
Attempting to create OpenGL context: v3.3 (Core profile)...success.
DumpContextInfo: OpenGL vendor NVIDIA Corporation
DumpContextInfo: OpenGL renderer GeForce GTX 670MX/PCIe/SSE2
DumpContextInfo: Using OpenGL context version 3.3
DumpContextInfo: Context supports GLSL version 3.30 NVIDIA via Cg compiler
Game removed: AppID 570 "Dota 2", ProcID 5836