3.655 Checksum for mod tree_collision: 3231141521
   3.655 Checksum for mod upgrade-planner: 696037660
   3.655 Checksum for mod VehicleGrids: 2211583150
   3.655 Checksum for mod WaiTex_Full: 192067427
   3.655 Checksum for mod YARM: 4206050284
   4.724 Info PlayerData.cpp:55: Local player-data.json available, timestamp 1487802281
   4.724 Info PlayerData.cpp:60: Cloud player-data.json available, timestamp 1482773021
   4.911 Initial atlas bitmap size is 16384
   4.941 Error CrashHandler.cpp:230: Received SIGSEGV
Factorio crashed. Generating symbolized stacktrace, please wait ...
   5.743 Warning Logger.cpp:369: Symbols.size() == 27, usedSize == 21
#0  0x000000000088c8bd in Logger::logStacktrace(StackTraceInfo*) at /tmp/factorio-X5N2Rm/src/Util/Logger.cpp:391
#1  0x00000000005c71bb in CrashHandler::writeStackTrace() at /tmp/factorio-X5N2Rm/src/Util/CrashHandler.cpp:105
#2  0x00000000005c7454 in CrashHandler::SignalHandler(int) at /tmp/factorio-X5N2Rm/src/Util/CrashHandler.cpp:235
#3  0x00007f6d5ced2250 in ?? at ??:0
#4  0x00007f6d5658086c in ?? at ??:0
#5  0x00007f6d563310b2 in ?? at ??:0
#6  0x00007f6d56331ea5 in ?? at ??:0
#7  0x00007f6d55a02721 in ?? at ??:0
#8  0x00007f6d55a03284 in ?? at ??:0
#9  0x00007f6d55e60f0c in ?? at ??:0
#10 0x0000000000e25e8f in ogl_lock_region_nonbb_readwrite_nonfbo at /tmp/factorio-X5N2Rm/libraries/Allegro/src/opengl/ogl_lock.c:377
#11 0x0000000000dbca77 in ogl_lock_region_nonbb_readwrite at /tmp/factorio-X5N2Rm/libraries/Allegro/src/opengl/ogl_lock.c:265
#12 0x0000000000e0d2b8 in _al_ogl_lock_region_new at /tmp/factorio-X5N2Rm/libraries/Allegro/src/opengl/ogl_lock.c:162
#13 0x0000000000e24fd1 in al_lock_bitmap_region at /tmp/factorio-X5N2Rm/libraries/Allegro/src/bitmap_lock.c:109
#14 0x0000000000e05e18 in _al_clear_bitmap_by_locking at /tmp/factorio-X5N2Rm/libraries/Allegro/src/memdraw.c:70
#15 0x00000000009937c5 in ogl_clear at /tmp/factorio-X5N2Rm/libraries/Allegro/src/opengl/ogl_draw.c:265
#16 0x0000000000c6ad74 in al_clear_to_color at /tmp/factorio-X5N2Rm/libraries/Allegro/src/drawing.c:41
#17 0x0000000000c85016 in AtlasSystem::build() at /tmp/factorio-X5N2Rm/src/Graphics/AtlasSystem.cpp:76
#18 0x0000000000cfd09d in planSpriteOrganization at /tmp/factorio-X5N2Rm/src/Graphics/AtlasSystem.cpp:201
#19 0x00007f6d5cebdac0 in build at /tmp/factorio-X5N2Rm/src/Graphics/AtlasSystem.cpp:631
#20 0x000000000040b1a9 in GlobalContext::init(bool, bool, bool) [clone .constprop.73052] at /tmp/factorio-X5N2Rm/src/GlobalContext.cpp:1107
   6.459 Warning Logger.cpp:369: Symbols.size() == 26, usedSize == 20
   6.459 Error Util.cpp:77: Unexpected error occurred. If you're running the latest version of the game you can help us solve the problem by posting the contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be using, and any steps you know of to reproduce the crash.