Killing Floor is launched, then fails.

Game update: AppID 1250 "Killing Floor", ProcID 3841, IP 0.0.0.0:0
ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored.
Setting breakpad minidump AppID = 1250
Steam_SetMinidumpSteamID: Caching Steam ID: 76561197966705126 [API loaded no]
saving roaming config store to 'sharedconfig.vdf'
roaming config store 2 saved successfully
Failed to enter Entry: Can't find file for package 'XGame'

History:

Exiting due to error
Game removed: AppID 1250 "Killing Floor", ProcID 3841
saving roaming config store to 'sharedconfig.vdf'
roaming config store 2 saved successfully

Processor Information:
Vendor: GenuineIntel
Speed: 2400 Mhz
2 logical processors
2 physical processors
HyperThreading: Unsupported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Unsupported
SSE41: Supported
SSE42: Unsupported

Network Information:
Network Speed:

Operating System Version:
"Fedora release 17 (Beefy Miracle)" (64 bit)
Kernel Name: Linux
Kernel Version: 3.6.10-2.fc17.x86_64
X Server vendor: Fedora Project
X Server release: 11204000

Video Card:
Driver: NVIDIA Corporation GeForce 9400M G/integrated/SSE2

Driver Version:  3.3.0 NVIDIA 304.64
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 59 Hz
VendorID:  0x10de
DeviceID:  0x866
Number of Monitors:  1
Number of Logical Video Cards:  2
Primary Display Resolution:  1280 x 800
Desktop Resolution: 1280 x 800
Primary Display Size: 11.26" x 7.05"  (13.27" diag)
                                        28.6cm x 17.9cm  (33.7cm diag)
Primary Bus: Integrated
Primary VRAM: 256 MB
Supported MSAA Modes:  2x 4x 8x 16x 

Sound card:
Audio device: Nvidia MCP79/7A HDMI

Memory:
RAM: 3701 Mb

Miscellaneous:
UI Language: English
LANG: en_US.UTF-8
Microphone: Not set
Total Hard Disk Space Available: 63625 Mb
Largest Free Hard Disk Block: 4228 Mb

Installed software: