This happens 100% of time when I restart my computer. Aside from that it appears to happen about 50% (guestimate) of the time. Otherwise the game runs wonderfully @60fps.
Current Log
MacBook Pro (Retina, 15-inch, Early 2013)0.000 2015-10-29 09:27:20; Factorio 0.12.13 (Build 17141, mac)
0.000 Operating system: Mac OS X 10.11.1
0.000 Program arguments: "/Applications/factorio 2.app"
0.000 Read data path: /Applications/factorio 2.app/Contents/data
0.000 Write data path: /Users/cbeare/Library/Application Support/factorio
0.000 Binaries path: /
0.010 Available display adapters: 1
0.010 [0]: resolution 1440x900px at [0,0]
0.010 Create display on adapter 0. Size 1280x720 at position [70, 72]. Monitor 0
1.202 Initialised OpenGL:[0] NVIDIA GeForce GT 650M OpenGL Engine; driver: 2.1 NVIDIA-10.6.47 310.42.05f01
1.246 Graphics options: [FullScreen: true] [VSync: true] [UIScale: 100%] [MultiSampling: OFF] [Graphics quality: normal] [Video memory usage: all] [Screen: 255]
1.387 Loading mod core 0.0.0 (data.lua)
1.391 Loading mod base 0.12.13 (data.lua)
1.446 Loading mod bobconfig 0.12.1 (data.lua)
1.494 Loading mod boblibrary 0.12.2 (data.lua)
1.550 Loading mod EvoGUI 0.4.5 (data.lua)
1.596 Loading mod FARL 0.4.3 (data.lua)
1.649 Loading mod GDIW 1.0.2 (data.lua)
1.713 Loading mod Landfill 2.1.7 (data.lua)
1.764 Loading mod bobassembly 0.12.6 (data.lua)
1.820 Loading mod bobenemies 0.12.5 (data.lua)
1.906 Loading mod bobores 0.12.6 (data.lua)
1.963 Loading mod bobtech 0.12.3 (data.lua)
2.022 Loading mod bobplates 0.12.9 (data.lua)
2.124 Loading mod bobelectronics 0.12.5 (data.lua)
2.192 Loading mod boblogistics 0.12.7 (data.lua)
2.280 Loading mod bobmining 0.12.3 (data.lua)
2.394 Loading mod bobpower 0.12.6 (data.lua)
2.488 Loading mod bobwarfare 0.12.8 (data.lua)
2.607 Loading mod bobmodules 0.12.8 (data.lua)
2.770 Loading mod bobconfig 0.12.1 (data-updates.lua)
2.881 Loading mod FARL 0.4.3 (data-updates.lua)
2.994 Loading mod bobassembly 0.12.6 (data-updates.lua)
3.156 Loading mod bobenemies 0.12.5 (data-updates.lua)
3.265 Loading mod bobores 0.12.6 (data-updates.lua)
3.379 Loading mod bobtech 0.12.3 (data-updates.lua)
3.543 Loading mod bobplates 0.12.9 (data-updates.lua)
3.653 Loading mod bobelectronics 0.12.5 (data-updates.lua)
3.769 Loading mod boblogistics 0.12.7 (data-updates.lua)
3.886 Loading mod bobmining 0.12.3 (data-updates.lua)
4.057 Loading mod bobpower 0.12.6 (data-updates.lua)
4.170 Loading mod bobwarfare 0.12.8 (data-updates.lua)
4.288 Loading mod bobmodules 0.12.8 (data-updates.lua)
4.452 Loading mod bobelectronics 0.12.5 (data-final-fixes.lua)
5.821 Initial atlas bitmap size is 16384
5.825 Created atlas bitmap 16384x8645
17.244 Info Updater.cpp:731: Downloading https://www.factorio.com/updater/get-av ... iVersion=2
20.109 2 packages available to download (experimental updates enabled).
20.159 Factorio initialised
201.026 Loading map /Users/cbeare/Library/Application Support/factorio/saves/BM-Nudi2.zip
201.045 Info Scenario.cpp:123: Map version 0.12.13-0
Factorio crashed. Generating symbolized stacktrace, please wait ...
201.890 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
#0 0x7fff8597b52a
#1 0x0
#2 0x100219c94
#3 0x1002198eb
#4 0x10045093e
#5 0x10091aa56
#6 0x7fff8edb09b1
#7 0x7fff8edb092e
#8 0x7fff8edae385
201.911 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
201.911 Error Util.cpp:61: Unexpected error occurred. You can help us to solve the problem by posting the contents of the log file on the Factorio forums.
Factorio crashed. Generating symbolized stacktrace, please wait ...
212.438 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
#0 0x7fff8597b52a
#1 0x1018f0000
#2 0x1007ca668
#3 0x10077ac43
#4 0x1007aa6b4
#5 0x1007ce8c0
#6 0x7fff8d5b70ed
#7 0x7fff8d5b7403
#8 0x100447f19
#9 0x7fff8597b52a
#10 0x0
#11 0x100219c94
#12 0x1002198eb
#13 0x10045093e
#14 0x10091aa56
#15 0x7fff8edb09b1
#16 0x7fff8edb092e
#17 0x7fff8edae385
212.456 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
212.456 Error Util.cpp:61: Unexpected error occurred. You can help us to solve the problem by posting the contents of the log file on the Factorio forums.
0.000 Operating system: Mac OS X 10.11.1
0.000 Program arguments: "/Applications/factorio 2.app"
0.000 Read data path: /Applications/factorio 2.app/Contents/data
0.000 Write data path: /Users/cbeare/Library/Application Support/factorio
0.000 Binaries path: /
0.010 Available display adapters: 1
0.010 [0]: resolution 1440x900px at [0,0]
0.010 Create display on adapter 0. Size 1280x720 at position [70, 72]. Monitor 0
1.202 Initialised OpenGL:[0] NVIDIA GeForce GT 650M OpenGL Engine; driver: 2.1 NVIDIA-10.6.47 310.42.05f01
1.246 Graphics options: [FullScreen: true] [VSync: true] [UIScale: 100%] [MultiSampling: OFF] [Graphics quality: normal] [Video memory usage: all] [Screen: 255]
1.387 Loading mod core 0.0.0 (data.lua)
1.391 Loading mod base 0.12.13 (data.lua)
1.446 Loading mod bobconfig 0.12.1 (data.lua)
1.494 Loading mod boblibrary 0.12.2 (data.lua)
1.550 Loading mod EvoGUI 0.4.5 (data.lua)
1.596 Loading mod FARL 0.4.3 (data.lua)
1.649 Loading mod GDIW 1.0.2 (data.lua)
1.713 Loading mod Landfill 2.1.7 (data.lua)
1.764 Loading mod bobassembly 0.12.6 (data.lua)
1.820 Loading mod bobenemies 0.12.5 (data.lua)
1.906 Loading mod bobores 0.12.6 (data.lua)
1.963 Loading mod bobtech 0.12.3 (data.lua)
2.022 Loading mod bobplates 0.12.9 (data.lua)
2.124 Loading mod bobelectronics 0.12.5 (data.lua)
2.192 Loading mod boblogistics 0.12.7 (data.lua)
2.280 Loading mod bobmining 0.12.3 (data.lua)
2.394 Loading mod bobpower 0.12.6 (data.lua)
2.488 Loading mod bobwarfare 0.12.8 (data.lua)
2.607 Loading mod bobmodules 0.12.8 (data.lua)
2.770 Loading mod bobconfig 0.12.1 (data-updates.lua)
2.881 Loading mod FARL 0.4.3 (data-updates.lua)
2.994 Loading mod bobassembly 0.12.6 (data-updates.lua)
3.156 Loading mod bobenemies 0.12.5 (data-updates.lua)
3.265 Loading mod bobores 0.12.6 (data-updates.lua)
3.379 Loading mod bobtech 0.12.3 (data-updates.lua)
3.543 Loading mod bobplates 0.12.9 (data-updates.lua)
3.653 Loading mod bobelectronics 0.12.5 (data-updates.lua)
3.769 Loading mod boblogistics 0.12.7 (data-updates.lua)
3.886 Loading mod bobmining 0.12.3 (data-updates.lua)
4.057 Loading mod bobpower 0.12.6 (data-updates.lua)
4.170 Loading mod bobwarfare 0.12.8 (data-updates.lua)
4.288 Loading mod bobmodules 0.12.8 (data-updates.lua)
4.452 Loading mod bobelectronics 0.12.5 (data-final-fixes.lua)
5.821 Initial atlas bitmap size is 16384
5.825 Created atlas bitmap 16384x8645
17.244 Info Updater.cpp:731: Downloading https://www.factorio.com/updater/get-av ... iVersion=2
20.109 2 packages available to download (experimental updates enabled).
20.159 Factorio initialised
201.026 Loading map /Users/cbeare/Library/Application Support/factorio/saves/BM-Nudi2.zip
201.045 Info Scenario.cpp:123: Map version 0.12.13-0
Factorio crashed. Generating symbolized stacktrace, please wait ...
201.890 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
#0 0x7fff8597b52a
#1 0x0
#2 0x100219c94
#3 0x1002198eb
#4 0x10045093e
#5 0x10091aa56
#6 0x7fff8edb09b1
#7 0x7fff8edb092e
#8 0x7fff8edae385
201.911 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
201.911 Error Util.cpp:61: Unexpected error occurred. You can help us to solve the problem by posting the contents of the log file on the Factorio forums.
Factorio crashed. Generating symbolized stacktrace, please wait ...
212.438 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
#0 0x7fff8597b52a
#1 0x1018f0000
#2 0x1007ca668
#3 0x10077ac43
#4 0x1007aa6b4
#5 0x1007ce8c0
#6 0x7fff8d5b70ed
#7 0x7fff8d5b7403
#8 0x100447f19
#9 0x7fff8597b52a
#10 0x0
#11 0x100219c94
#12 0x1002198eb
#13 0x10045093e
#14 0x10091aa56
#15 0x7fff8edb09b1
#16 0x7fff8edb092e
#17 0x7fff8edae385
212.456 Warning Logger.cpp:311: Couldn't symbolize stacktrace: (resolving symbol failed: fread)
212.456 Error Util.cpp:61: Unexpected error occurred. You can help us to solve the problem by posting the contents of the log file on the Factorio forums.
2.4 GHz Intel Core i7
16 GB 1600 MHz DDR3
Intel HD Graphics 4000 1536 M