--------- beginning of crash 01-21 19:30:40.195 1457 1457 F libc : Fatal signal 11 (SIGSEGV), code 1, fault addr 0x0 in tid 1457 (surfaceflinger) 01-21 19:30:40.195 1443 1443 W : debuggerd: handling request: pid=1457 uid=0 gid=1003 tid=1457 01-21 19:30:40.196 1743 1743 E : debuggerd: Unable to connect to activity manager (connect failed: No such file or directory) 01-21 19:30:40.246 1743 1743 F DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 01-21 19:30:40.246 1743 1743 F DEBUG : Build fingerprint: 'Android-x86/android_x86_64/x86_64:7.1.1/NMF26O/utente12301216:eng/test-keys' 01-21 19:30:40.246 1743 1743 F DEBUG : Revision: '0' 01-21 19:30:40.246 1743 1743 F DEBUG : ABI: 'x86_64' 01-21 19:30:40.246 1743 1743 F DEBUG : pid: 1457, tid: 1457, name: surfaceflinger >>> /system/bin/surfaceflinger <<< 01-21 19:30:40.246 1743 1743 F DEBUG : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 01-21 19:30:40.246 1743 1743 F DEBUG : rax 000077505a696cc0 rbx 000077505fa75a20 rcx 0000000000000000 rdx 0000000000000020 01-21 19:30:40.246 1743 1743 F DEBUG : rsi 0000000000000000 rdi 000077505a696cc0 01-21 19:30:40.246 1743 1743 F DEBUG : r8 ffffffffffffffd8 r9 0400050000000000 r10 0000000000000002 r11 0000000000000246 01-21 19:30:40.246 1743 1743 F DEBUG : r12 000077505fa75600 r13 0000000001000000 r14 000077505fa75a48 r15 000077505a6c3980 01-21 19:30:40.246 1743 1743 F DEBUG : cs 0000000000000033 ss 000000000000002b 01-21 19:30:40.246 1743 1743 F DEBUG : rip 000077505eb7b5f8 rbp 0000000000500000 rsp 00007ffea2d36c70 eflags 0000000000010206 01-21 19:30:40.326 1743 1743 F DEBUG : 01-21 19:30:40.326 1743 1743 F DEBUG : backtrace: 01-21 19:30:40.326 1743 1743 F DEBUG : #00 pc 000000000024f5f8 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #01 pc 0000000000262843 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #02 pc 0000000000260816 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #03 pc 000000000026258a /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #04 pc 0000000000607187 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #05 pc 000000000023d335 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #06 pc 0000000000459079 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #07 pc 00000000004752cf /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #08 pc 000000000043e6c1 /system/lib64/dri/gallium_dri.so 01-21 19:30:40.326 1743 1743 F DEBUG : #09 pc 0000000000040f7e /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #10 pc 000000000003edd2 /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #11 pc 00000000000479a5 /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #12 pc 0000000000048b80 /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #13 pc 000000000004724b /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #14 pc 000000000004602a /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #15 pc 0000000000045e0a /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #16 pc 0000000000018799 /system/lib64/libutils.so (_ZN7android6Looper9pollInnerEi+841) 01-21 19:30:40.326 1743 1743 F DEBUG : #17 pc 000000000001838a /system/lib64/libutils.so (_ZN7android6Looper8pollOnceEiPiS1_PPv+42) 01-21 19:30:40.326 1743 1743 F DEBUG : #18 pc 0000000000035409 /system/lib64/libsurfaceflinger.so 01-21 19:30:40.326 1743 1743 F DEBUG : #19 pc 00000000000458a7 /system/lib64/libsurfaceflinger.so (_ZN7android14SurfaceFlinger3runEv+23) 01-21 19:30:40.326 1743 1743 F DEBUG : #20 pc 0000000000001485 /system/bin/surfaceflinger 01-21 19:30:40.326 1743 1743 F DEBUG : #21 pc 000000000001c994 /system/lib64/libc.so (__libc_init+84) 01-21 19:30:40.326 1743 1743 F DEBUG : #22 pc 00000000000011c4 /system/bin/surfaceflinger 01-21 19:30:40.326 1743 1743 F DEBUG : #23 pc 0000000000000000 utente@utente-MS-7576:~/nougat-x86_kernel_49$ addr2line -Cfe out/target/product/x86_64/symbols/system/lib64/dri/gallium_dri.so 000000000024f5f8 list_add /proc/self/cwd/external/mesa/src/util/list.h:62 0000000000262843 pb_destroy /proc/self/cwd/external/mesa/src/gallium/auxiliary/pipebuffer/pb_buffer.h:232 0000000000260816 pipe_resource_reference /proc/self/cwd/external/mesa/src/gallium/auxiliary/util/u_inlines.h:141 000000000026258a r600_surface_destroy /proc/self/cwd/external/mesa/src/gallium/drivers/radeon/r600_texture.c:1822 0000000000607187 pipe_surface_reference /proc/self/cwd/external/mesa/src/gallium/auxiliary/util/u_inlines.h:113 000000000023d335 si_set_framebuffer_state /proc/self/cwd/external/mesa/src/gallium/drivers/radeonsi/si_state.c:2383 0000000000459079 st_validate_state /proc/self/cwd/external/mesa/src/mesa/state_tracker/st_atom.c:211 (discriminator 1) 00000000004752cf st_draw_vbo /proc/self/cwd/external/mesa/src/mesa/state_tracker/st_draw.c:202 000000000043e6c1 vbo_draw_arrays /proc/self/cwd/external/mesa/src/mesa/vbo/vbo_exec_array.c:468 ^C utente@utente-MS-7576:~/nougat-x86_kernel_49$ addr2line -Cfe out/target/product/x86_64/symbols/system/lib64/libsurfaceflinger.so 0000000000040f7e android::GLES20RenderEngine::drawMesh(android::Mesh const&) /proc/self/cwd/frameworks/native/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp:262 (discriminator 2) 000000000003edd2 android::RenderEngine::fillRegionWithColor(android::Region const&, unsigned int, float, float, float, float) /proc/self/cwd/frameworks/native/services/surfaceflinger/RenderEngine/RenderEngine.cpp:219 00000000000479a5 android::SurfaceFlinger::drawWormhole(android::sp const&, android::Region const&) const /proc/self/cwd/frameworks/native/services/surfaceflinger/SurfaceFlinger_hwc1.cpp:2137 0000000000048b80 android::SurfaceFlinger::doDisplayComposition(android::sp const&, android::Region const&) /proc/self/cwd/frameworks/native/services/surfaceflinger/SurfaceFlinger_hwc1.cpp:1987 000000000004724b android::SurfaceFlinger::doComposition() /proc/self/cwd/frameworks/native/services/surfaceflinger/SurfaceFlinger_hwc1.cpp:1320 000000000004602a android::SurfaceFlinger::handleMessageRefresh() /proc/self/cwd/frameworks/native/services/surfaceflinger/SurfaceFlinger_hwc1.cpp:1034 0000000000045e0a android::SurfaceFlinger::onMessageReceived(int) /proc/self/cwd/frameworks/native/services/surfaceflinger/SurfaceFlinger_hwc1.cpp:1005 ^C utente@utente-MS-7576:~/nougat-x86_kernel_49$ addr2line -Cfe out/target/product/x86_64/symbols/system/lib64/libsurfaceflinger.so 0000000000035409 android::Looper::pollOnce(int) /proc/self/cwd/system/core/include/utils/Looper.h:265 00000000000458a7 android::SurfaceFlinger::waitForEvent() /proc/self/cwd/frameworks/native/services/surfaceflinger/SurfaceFlinger_hwc1.cpp:840 ^C utente@utente-MS-7576:~/nougat-x86_kernel_49$ addr2line -Cfe out/target/product/x86_64/symbols/system/bin/surfaceflinger 0000000000001485 main /proc/self/cwd/frameworks/native/services/surfaceflinger/main_surfaceflinger.cpp:73 (discriminator 1) ^C utente@utente-MS-7576:~/nougat-x86_kernel_49$ addr2line -Cfe out/target/product/x86_64/symbols/system/bin/surfaceflinger 00000000000011c4 _start art/sigchainlib/sigchain.cc:? ^C