StardewValley Linux log for MysticTempest

My Info:

Steam Build ID: 1242845

OS: Ubuntu 14.04.3 LTS
Processor: AMD Phenom(tm) II X6 1035T Processor
Video card: AMD/ATI Cayman Pro Radeon HD 6950

I'm using the proprietary video drivers.
#Output of fglrxinfo
display: :0.0  screen: 0
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: AMD Radeon HD 6900 Series
OpenGL version string: 4.4.13374 Compatibility Profile Context 13.35.1005

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Through Steam:
#Click play, desktop flashes, but nothing launches.

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Via command line x86_64:
#Game doesn't launch.

$ ./StardewValley.bin.x86_64
[ERROR] FATAL UNHANDLED EXCEPTION: System.InvalidCastException: Specified cast is not valid.
  at System.Diagnostics.DiagnosticsConfiguration.GetConfigSection () <0x415e5220 + 0x00034> in <filename unknown>:0
  at System.Diagnostics.DiagnosticsConfiguration.Initialize () <0x415e50c0 + 0x0009f> in <filename unknown>:0
  at System.Diagnostics.DiagnosticsConfiguration.get_IndentSize () <0x415e5030 + 0x0000f> in <filename unknown>:0
  at System.Diagnostics.TraceInternal.InitializeSettings () <0x415e4e40 + 0x000d3> in <filename unknown>:0
  at System.Diagnostics.TraceInternal.get_UseGlobalLock () <0x415e4e10 + 0x0000b> in <filename unknown>:0
  at System.Diagnostics.TraceInternal.WriteLine (System.String message) <0x415e4600 + 0x00077> in <filename unknown>:0
  at System.Diagnostics.Debug.WriteLine (System.String message) <0x415e44c0 + 0x0000f> in <filename unknown>:0
  at Microsoft.Xna.Framework.SdlGamePlatform..ctor (Microsoft.Xna.Framework.Game game) <0x415e3af0 + 0x001c7> in <filename unknown>:0
  at Microsoft.Xna.Framework.GamePlatform.PlatformCreate (Microsoft.Xna.Framework.Game game) <0x415e34d0 + 0x00027> in <filename unknown>:0
  at Microsoft.Xna.Framework.Game..ctor () <0x415e0f00 + 0x0081f> in <filename unknown>:0
  at StardewValley.Game1..ctor () <0x415e0220 + 0x0012b> in <filename unknown>:0
  at StardewValley.Program.Main (System.String[] args) <0x415b9f30 + 0x00087> in <filename unknown>:0

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Via command line x86:
#Game launches to a black screen. I hear the birds chirping from the intro, but it loops and nothing else happens. So, I have to just close the game.

$ ./StardewValley.bin.x86
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
Setting breakpad minidump AppID = 413150
Steam_SetMinidumpSteamID:  Caching Steam ID:  76561198054134194 [API loaded no]
Killed