--------- beginning of crash
08-06 12:40:10.513  2352  2352 F libc    : Fatal signal 11 (SIGSEGV), code 1, fault addr 0x42c4 in tid 2352 (surfaceflinger)
08-06 12:40:10.513  2338  2338 W         : debuggerd: handling request: pid=2352 uid=0 gid=1003 tid=2352
08-06 12:40:10.517  2607  2607 E         : debuggerd: Unable to connect to activity manager (connect failed: No such file or directory)
08-06 12:40:10.567  2607  2607 F DEBUG   : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
08-06 12:40:10.567  2607  2607 F DEBUG   : Build fingerprint: 'Android-x86/android_x86_64/x86_64:7.1.2/NZH54B/utente08042339:eng/test-keys'
08-06 12:40:10.567  2607  2607 F DEBUG   : Revision: '0'
08-06 12:40:10.567  2607  2607 F DEBUG   : ABI: 'x86_64'
08-06 12:40:10.567  2607  2607 F DEBUG   : pid: 2352, tid: 2352, name: surfaceflinger  >>> /system/bin/surfaceflinger <<<
08-06 12:40:10.567  2607  2607 F DEBUG   : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x42c4
08-06 12:40:10.567  2607  2607 F DEBUG   :     rax 0000000000004200  rbx 000072ecccc31198  rcx 0000000000000009  rdx ffffffffffffffb0
08-06 12:40:10.567  2607  2607 F DEBUG   :     rsi 0000000000000000  rdi 000072ecce226208
08-06 12:40:10.567  2607  2607 F DEBUG   :     r8  0000000000000f00  r9  00007ffc53933920  r10 0000000000003000  r11 000072ecccc03318
08-06 12:40:10.567  2607  2607 F DEBUG   :     r12 000072ecce285838  r13 0000000000000010  r14 000072ecce278600  r15 000072ecce227b70
08-06 12:40:10.567  2607  2607 F DEBUG   :     cs  0000000000000033  ss  000000000000002b
08-06 12:40:10.567  2607  2607 F DEBUG   :     rip 000072eccd530588  rbp 0000000000000001  rsp 00007ffc53934300  eflags 0000000000010246
08-06 12:40:10.574  2607  2607 F DEBUG   : 
08-06 12:40:10.574  2607  2607 F DEBUG   : backtrace:
08-06 12:40:10.574  2607  2607 F DEBUG   :     #00 pc 0000000000088588  /system/lib64/dri/i965_dri.so
08-06 12:40:10.574  2607  2607 F DEBUG   :     #01 pc 000000000006a5f8  /system/lib64/dri/i965_dri.so
08-06 12:40:10.574  2607  2607 F DEBUG   :     #02 pc 00000000002e4c48  /system/lib64/dri/i965_dri.so
08-06 12:40:10.574  2607  2607 F DEBUG   :     #03 pc 0000000000012da4  /system/lib64/egl/libGLES_mesa.so
08-06 12:40:10.574  2607  2607 F DEBUG   :     #04 pc 0000000000005a14  /system/lib64/egl/libGLES_mesa.so (eglCreateContext+356)
08-06 12:40:10.574  2607  2607 F DEBUG   :     #05 pc 0000000000015b9d  /system/lib64/libEGL.so (eglCreateContext+141)
08-06 12:40:10.574  2607  2607 F DEBUG   :     #06 pc 000000000003e542  /system/lib64/libsurfaceflinger.so
08-06 12:40:10.574  2607  2607 F DEBUG   :     #07 pc 0000000000044448  /system/lib64/libsurfaceflinger.so (_ZN7android14SurfaceFlinger4initEv+936)
08-06 12:40:10.574  2607  2607 F DEBUG   :     #08 pc 000000000000130d  /system/bin/surfaceflinger
08-06 12:40:10.574  2607  2607 F DEBUG   :     #09 pc 000000000001c994  /system/lib64/libc.so (__libc_init+84)
08-06 12:40:10.574  2607  2607 F DEBUG   :     #10 pc 00000000000011c4  /system/bin/surfaceflinger
08-06 12:40:10.574  2607  2607 F DEBUG   :     #11 pc 0000000000000000  <unknown>
08-06 12:40:10.588  2338  2338 W         : debuggerd: resuming target 2352
08-06 12:40:10.588  2338  2338 E         : debuggerd: failed to send signal 18 to target: No such process


utente@utente-System-Product-Name:~/nougat-x86$ addr2line -Cfe out/target/product/x86_64/symbols/system/lib64/dri/i965_dri.so
0000000000088588
intel_batchbuffer_init
/proc/self/cwd/external/mesa/src/mesa/drivers/dri/i965/intel_batchbuffer.c:90
000000000006a5f8
brwCreateContext
/proc/self/cwd/external/mesa/src/mesa/drivers/dri/i965/brw_context.c:937
00000000002e4c48
driCreateContextAttribs
/proc/self/cwd/external/mesa/src/mesa/drivers/dri/common/dri_util.c:452
^C

utente@utente-System-Product-Name:~/nougat-x86$ 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