#0  0x00007ffff08a85f8 in raise () from /usr/lib/libc.so.6
#1  0x00007ffff08a9a7a in abort () from /usr/lib/libc.so.6
#2  0x00007ffff08a1417 in __assert_fail_base () from /usr/lib/libc.so.6
#3  0x00007ffff08a14c2 in __assert_fail () from /usr/lib/libc.so.6
#4  0x00007fffe2f9ac9f in si_vm_fault_occured (sctx=0x1413920, out_addr=0x0)
    at si_debug.c:568
#5  0x00007fffe2f9c90c in si_init_debug_functions (sctx=sctx@entry=0x1413920)
    at si_debug.c:666
#6  0x00007fffe2fa16da in si_create_context (screen=0x130f9b0, priv=0x0, 
    flags=<optimized out>) at si_pipe.c:134
#7  0x00007fffe2fa1b2e in radeonsi_screen_create (ws=0x130f370)
    at si_pipe.c:640
#8  0x00007fffe307f17a in radeon_drm_winsys_create (fd=fd@entry=9, 
    screen_create=0x7fffe2fa1a08 <radeonsi_screen_create>)
    at radeon_drm_winsys.c:774
#9  0x00007fffe28a0061 in pipe_radeonsi_create_screen (fd=9)
    at ../../../../src/gallium/auxiliary/target-helpers/inline_drm_helper.h:241
#10 dd_create_screen (fd=9)
    at ../../../../src/gallium/auxiliary/target-helpers/inline_drm_helper.h:407
#11 0x00007fffe2cafe20 in dri2_init_screen (sPriv=0x1305c30) at dri2.c:1461
#12 0x00007fffe2cabc8d in driCreateNewScreen2 (scrn=0, fd=9, 
    extensions=0x7fffe5ea0960 <loader_extensions>, 
    driver_extensions=0x7fffe35137c0 <galliumdrm_driver_extensions>, 
---Type <return> to continue, or q <return> to quit---
    igs=0x7fffffffd490, data=0x1403430) at dri_util.c:144
#13 0x00007fffe5c4e837 in dri3_create_screen (screen=0, priv=0xe11db0) at dri3_glx.c:799
#14 0x00007fffe5c1bf20 in AllocAndFetchScreenConfigs (priv=0xe11db0, dpy=0x13e1010) at glxext.c:796
#15 __glXInitialize (dpy=dpy@entry=0x13e1010) at glxext.c:910
#16 0x00007fffe5c1d14d in __glXInitialize (dpy=dpy@entry=0x13e1010) at glxext.c:935
#17 0x00007fffe5c19051 in GetGLXPrivScreenConfig (ppsc=<synthetic pointer>, ppriv=<synthetic pointer>, scrn=0, dpy=0x13e1010) at glxcmds.c:172
#18 glXQueryExtensionsString (dpy=0x13e1010, screen=0) at glxcmds.c:1308
#19 0x00007ffff763bf86 in X11_GL_InitExtensions (_this=0xcb7010) at /home/rcl/build/2015-05-01/SDL-gui-backend/src/video/x11/SDL_x11opengl.c:330
#20 X11_GL_LoadLibrary (_this=0xcb7010, path=<optimized out>) at /home/rcl/build/2015-05-01/SDL-gui-backend/src/video/x11/SDL_x11opengl.c:225
#21 0x00007ffff75e5c06 in SDL_GL_LoadLibrary_REAL (path=<optimized out>) at /home/rcl/build/2015-05-01/SDL-gui-backend/src/video/SDL_video.c:2602
#22 0x00007ffff75e8f14 in SDL_CreateWindow_REAL (title=0x7ffff76d0ffe "OpenGL test", x=-32, y=-32, w=32, h=<optimized out>, flags=10)
    at /home/rcl/build/2015-05-01/SDL-gui-backend/src/video/SDL_video.c:1307
#23 0x00007ffff75e8bcf in ShouldUseTextureFramebuffer () at /home/rcl/build/2015-05-01/SDL-gui-backend/src/video/SDL_video.c:206
#24 SDL_VideoInit_REAL (driver_name=<optimized out>) at /home/rcl/build/2015-05-01/SDL-gui-backend/src/video/SDL_video.c:525
#25 0x00007ffff75fd697 in SDL_InitSubSystem_REAL (flags=1077809) at /home/rcl/build/2015-05-01/SDL-gui-backend/src/SDL.c:173
#26 0x00007ffff741411f in FLinuxPlatformMisc::PlatformInitMultimedia ()
    at D:\BuildFarm\buildmachine_++depot+UE4-UT-Releases\Engine\Source\Runtime\Core\Private\Linux/LinuxPlatformMisc.cpp:174
#27 0x00007ffff7425e31 in FLinuxPlatformMisc::PlatformInit ()
    at D:\BuildFarm\buildmachine_++depot+UE4-UT-Releases\Engine\Source\Runtime\Core\Private\Linux/LinuxPlatformMisc.cpp:157
#28 0x000000000040f6ac in FEngineLoop::PreInit (this=<optimized out>, CmdLine=<optimized out>)
    at D:\BuildFarm\buildmachine_++depot+UE4-UT-Releases\Engine\Source\Runtime\Launch\Private/LaunchEngineLoop.cpp:1139
#29 0x000000000041363d in EnginePreInit (CmdLine=0x0) at D:\BuildFarm\buildmachine_++depot+UE4-UT-Releases\Engine\Source\Runtime\Launch\Private/Launch.cpp:31
#30 GuardedMain (CmdLine=0x7ebe <error: Cannot access memory at address 0x7ebe>)
    at D:\BuildFarm\buildmachine_++depot+UE4-UT-Releases\Engine\Source\Runtime\Launch\Private/Launch.cpp:110
#31 0x000000000041a4ef in main (argc=<optimized out>, argv=<optimized out>)
    at D:\BuildFarm\buildmachine_++depot+UE4-UT-Releases\Engine\Source\Runtime\Launch\Private\Linux/LaunchLinux.cpp:260