--------- beginning of crash
08-15 08:12:04.167  2360  2360 F libc    : Fatal signal 11 (SIGSEGV), code 1, fault addr 0xc4 in tid 2360 (surfaceflinger)
08-15 08:12:04.167  2346  2346 W         : debuggerd: handling request: pid=2360 uid=0 gid=1003 tid=2360
08-15 08:12:04.168  2617  2617 E         : debuggerd: Unable to connect to activity manager (connect failed: No such file or directory)
08-15 08:12:04.218  2617  2617 F DEBUG   : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
08-15 08:12:04.218  2617  2617 F DEBUG   : Build fingerprint: 'Android-x86/android_x86_64/x86_64:7.1.2/NZH54D/utente08111621:eng/test-keys'
08-15 08:12:04.218  2617  2617 F DEBUG   : Revision: '0'
08-15 08:12:04.218  2617  2617 F DEBUG   : ABI: 'x86_64'
08-15 08:12:04.218  2617  2617 F DEBUG   : pid: 2360, tid: 2360, name: surfaceflinger  >>> /system/bin/surfaceflinger <<<
08-15 08:12:04.218  2617  2617 F DEBUG   : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0xc4
08-15 08:12:04.218  2617  2617 F DEBUG   :     rax 0000000000000000  rbx 00007aa39ac31298  rcx 0000000000000009  rdx ffffffffffffffb0
08-15 08:12:04.218  2617  2617 F DEBUG   :     rsi 0000000000000000  rdi 00007aa39c426208
08-15 08:12:04.218  2617  2617 F DEBUG   :     r8  0000000000000f00  r9  00007ffe93493940  r10 0000000000003000  r11 00007aa39ac03318
08-15 08:12:04.218  2617  2617 F DEBUG   :     r12 00007aa39c485838  r13 0000000000000010  r14 00007aa39c478600  r15 00007aa39c427b70
08-15 08:12:04.218  2617  2617 F DEBUG   :     cs  0000000000000033  ss  000000000000002b
08-15 08:12:04.218  2617  2617 F DEBUG   :     rip 00007aa39b5645a8  rbp 0000000000000001  rsp 00007ffe93494320  eflags 0000000000010246
08-15 08:12:04.220  2617  2617 F DEBUG   : 
08-15 08:12:04.220  2617  2617 F DEBUG   : backtrace:
08-15 08:12:04.220  2617  2617 F DEBUG   :     #00 pc 00000000000885a8  /system/lib64/dri/i965_dri.so
08-15 08:12:04.220  2617  2617 F DEBUG   :     #01 pc 000000000006a618  /system/lib64/dri/i965_dri.so
08-15 08:12:04.220  2617  2617 F DEBUG   :     #02 pc 00000000002e4c98  /system/lib64/dri/i965_dri.so
08-15 08:12:04.220  2617  2617 F DEBUG   :     #03 pc 0000000000012da4  /system/lib64/egl/libGLES_mesa.so
08-15 08:12:04.220  2617  2617 F DEBUG   :     #04 pc 0000000000005a14  /system/lib64/egl/libGLES_mesa.so (eglCreateContext+356)
08-15 08:12:04.220  2617  2617 F DEBUG   :     #05 pc 0000000000015b9d  /system/lib64/libEGL.so (eglCreateContext+141)
08-15 08:12:04.220  2617  2617 F DEBUG   :     #06 pc 000000000003e542  /system/lib64/libsurfaceflinger.so
08-15 08:12:04.220  2617  2617 F DEBUG   :     #07 pc 0000000000044448  /system/lib64/libsurfaceflinger.so (_ZN7android14SurfaceFlinger4initEv+936)
08-15 08:12:04.220  2617  2617 F DEBUG   :     #08 pc 000000000000130d  /system/bin/surfaceflinger
08-15 08:12:04.220  2617  2617 F DEBUG   :     #09 pc 000000000001c994  /system/lib64/libc.so (__libc_init+84)
08-15 08:12:04.220  2617  2617 F DEBUG   :     #10 pc 00000000000011c4  /system/bin/surfaceflinger
08-15 08:12:04.220  2617  2617 F DEBUG   :     #11 pc 0000000000000000  <unknown>
08-15 08:12:04.230  2346  2346 W         : debuggerd: resuming target 2360


utente@utente-Terabyte:~/nougat-x86_development$ addr2line -Cfe out/target/product/x86_64/symbols/system/lib64/dri/i965_dri.so
00000000000885a8
intel_batchbuffer_init
/proc/self/cwd/external/mesa/src/mesa/drivers/dri/i965/intel_batchbuffer.c:90
000000000006a618
brwCreateContext
/proc/self/cwd/external/mesa/src/mesa/drivers/dri/i965/brw_context.c:937
00000000002e4c98
driCreateContextAttribs
/proc/self/cwd/external/mesa/src/mesa/drivers/dri/common/dri_util.c:452
^C
utente@utente-Terabyte:~/nougat-x86_development$ addr2line -Cfe out/target/product/x86_64/symbols/system/lib64/egl/libGLES_mesa.so
0000000000012da4
dri2_create_context
/proc/self/cwd/external/mesa/src/egl/drivers/dri2/egl_dri2.c:1244
^C