=======================================================
    glmark2 2017.07
=======================================================
    OpenGL Information
    GL_VENDOR:     ARM
    GL_RENDERER:   Mali-T820
    GL_VERSION:    OpenGL ES 3.2 v1.r28p0-01rel0.1ef71ddd864c7f3e8b6a548d8e154790
=======================================================
[build] use-vbo=false: FPS: 333 FrameTime: 3.003 ms
[build] use-vbo=true: FPS: 388 FrameTime: 2.577 ms
[texture] texture-filter=nearest: FPS: 448 FrameTime: 2.232 ms
[texture] texture-filter=linear: FPS: 427 FrameTime: 2.342 ms
[texture] texture-filter=mipmap: FPS: 392 FrameTime: 2.551 ms
[shading] shading=gouraud: FPS: 302 FrameTime: 3.311 ms
[shading] shading=blinn-phong-inf: FPS: 269 FrameTime: 3.717 ms
[shading] shading=phong: FPS: 223 FrameTime: 4.484 ms
[shading] shading=cel: FPS: 199 FrameTime: 5.025 ms
[bump] bump-render=high-poly: FPS: 131 FrameTime: 7.634 ms
[bump] bump-render=normals: FPS: 409 FrameTime: 2.445 ms
[bump] bump-render=height: FPS: 384 FrameTime: 2.604 ms
libpng warning: iCCP: known incorrect sRGB profile
[effect2d] kernel=0,1,0;1,-4,1;0,1,0;: FPS: 154 FrameTime: 6.494 ms
libpng warning: iCCP: known incorrect sRGB profile
[effect2d] kernel=1,1,1,1,1;1,1,1,1,1;1,1,1,1,1;: FPS: 43 FrameTime: 23.256 ms
[pulsar] light=false:quads=5:texture=false: FPS: 427 FrameTime: 2.342 ms
libpng warning: iCCP: known incorrect sRGB profile
[desktop] blur-radius=5:effect=blur:passes=1:separable=true:windows=4: FPS: 53 FrameTime: 18.868 ms
libpng warning: iCCP: known incorrect sRGB profile
[desktop] effect=shadow:windows=4: FPS: 241 FrameTime: 4.149 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 31 FrameTime: 32.258 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=subdata: FPS: 33 FrameTime: 30.303 ms
[buffer] columns=200:interleave=true:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 38 FrameTime: 26.316 ms
[ideas] speed=duration: FPS: 109 FrameTime: 9.174 ms
[jellyfish] <default>: FPS: 97 FrameTime: 10.309 ms
[terrain] <default>: FPS: 9 FrameTime: 111.111 ms
[shadow] <default>: FPS: 119 FrameTime: 8.403 ms
[refract] <default>: FPS: 42 FrameTime: 23.810 ms
[conditionals] fragment-steps=0:vertex-steps=0: FPS: 396 FrameTime: 2.525 ms
[conditionals] fragment-steps=5:vertex-steps=0: FPS: 149 FrameTime: 6.711 ms
[conditionals] fragment-steps=0:vertex-steps=5: FPS: 386 FrameTime: 2.591 ms
[function] fragment-complexity=low:fragment-steps=5: FPS: 246 FrameTime: 4.065 ms
[function] fragment-complexity=medium:fragment-steps=5: FPS: 121 FrameTime: 8.264 ms
[loop] fragment-loop=false:fragment-steps=5:vertex-steps=5: FPS: 241 FrameTime: 4.149 ms
[loop] fragment-steps=5:fragment-uniform=false:vertex-steps=5: FPS: 242 FrameTime: 4.132 ms
[loop] fragment-steps=5:fragment-uniform=true:vertex-steps=5: FPS: 122 FrameTime: 8.197 ms
=======================================================
                                  glmark2 Score: 218 
=======================================================
Segmentation fault (core dumped)
root@sl8541e-smartpen32:/usr/bin# gdb ./glmark2-es2-wayland /mnt/data/coredump/core-mali-cmar-backe-18808@316801076
GNU gdb (GDB) 8.0.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "arm-unisoc-linux-gnueabi".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./glmark2-es2-wayland...done.

warning: core file may not match specified executable file.
[New LWP 18815]
[New LWP 18811]
[New LWP 18810]
[New LWP 18813]
[New LWP 18816]
[New LWP 18808]
[New LWP 18812]
[New LWP 18814]

warning: File "/lib/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
        add-auto-load-safe-path /lib/libthread_db-1.0.so
line to your configuration file "/home/root/.gdbinit".
To completely disable this security protection add
        set auto-load safe-path /
line to your configuration file "/home/root/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
        info "(gdb)Auto-loading safe path"

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.

warning: File "/lib/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load".

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Core was generated by `glmark2-es2-wayland'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xb6e89730 in wl_proxy_marshal_constructor (proxy=0x203cbc0, opcode=0, interface=0xb6e9ee50 <wl_callback_interface>) at /usr/src/debug/wayland/1.14.0-r0/wayland-1.14.0/src/wayland-client.c:729
729     /usr/src/debug/wayland/1.14.0-r0/wayland-1.14.0/src/wayland-client.c: No such file or directory.
[Current thread is 1 (LWP 18815)]
(gdb) bt
#0  0xb6e89730 in wl_proxy_marshal_constructor (proxy=0x203cbc0, opcode=0, interface=0xb6e9ee50 <wl_callback_interface>) at /usr/src/debug/wayland/1.14.0-r0/wayland-1.14.0/src/wayland-client.c:729
#1  0xb6b18de0 in ?? () from /usr/lib/libmali.so.0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)