(gdb) handle SIG33 nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) attach 3832 Attaching to process 3832 [New LWP 3833] [New LWP 3834] [New LWP 3835] [New LWP 4009] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007f22a0794e8d in poll () at ../sysdeps/unix/syscall-template.S:84 84 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) continue Continuing. [New Thread 0x7f22702ed700 (LWP 4451)] [New Thread 0x7f226de00700 (LWP 4452)] [Thread 0x7f226de00700 (LWP 4452) exited] [Thread 0x7f22702ed700 (LWP 4451) exited] Thread 1 "compiz" received signal SIGSEGV, Segmentation fault. 0x00007f22a1073625 in CompWindow::move(int, int, bool) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 (gdb) backtrace full #0 0x00007f22a1073625 in CompWindow::move(int, int, bool) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 No symbol table info available. #1 0x00007f227c1892f9 in ExpoScreen::donePaint() () from /usr/lib/x86_64-linux-gnu/compiz/libexpo.so No symbol table info available. #2 0x00007f2292c284aa in CompositeScreen::donePaint() () from /usr/lib/x86_64-linux-gnu/compiz/libcomposite.so No symbol table info available. #3 0x00007f2292c284aa in CompositeScreen::donePaint() () from /usr/lib/x86_64-linux-gnu/compiz/libcomposite.so No symbol table info available. #4 0x00007f2292c2b58b in CompositeScreen::handlePaintTimeout() () from /usr/lib/x86_64-linux-gnu/compiz/libcomposite.so No symbol table info available. #5 0x00007f22a109ca2f in CompTimer::triggerCallback() () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 No symbol table info available. #6 0x00007f22a109cb1c in CompTimeoutSource::callback() () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 No symbol table info available. #7 0x00007f22a109bf4d in CompTimeoutSource::dispatch(sigc::slot_base*) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 No symbol table info available. #8 0x00007f229f2de6ef in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 No symbol table info available. #9 0x00007f229efc30da in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00007f229efc3480 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x00007f229efc37a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #12 0x00007f22a1053c1f in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 No symbol table info available. #13 0x000055ae528fb7b1 in main () No symbol table info available. (gdb) info registers rax 0xc0 192 rbx 0x55ae54ff6170 94207238693232 rcx 0x0 0 rdx 0xfffffebe 4294966974 rsi 0xfffffbdc 4294966236 rdi 0x55ae5721d7d0 94207274506192 rbp 0x55ae54ff6170 0x55ae54ff6170 rsp 0x7fff81e93c50 0x7fff81e93c50 r8 0x55ae535415d0 94207210690000 r9 0x0 0 r10 0x55ae532bc0d0 94207208046800 r11 0x55ae54d05888 94207235610760 r12 0x55ae532e2630 94207208203824 r13 0x7f22a12cd450 139786709685328 r14 0x5 5 r15 0x7f22a12cd450 139786709685328 rip 0x7f22a1073625 0x7f22a1073625 eflags 0x10282 [ SF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7f22a1073625 <_ZN10CompWindow4moveEiib+69>: movswl 0x120(%rax),%r8d 0x7f22a107362d <_ZN10CompWindow4moveEiib+77>: mov %cl,0x408(%rax) 0x7f22a1073633 <_ZN10CompWindow4moveEiib+83>: add %r8d,%esi 0x7f22a1073636 <_ZN10CompWindow4moveEiib+86>: mov %esi,(%rsp) 0x7f22a1073639 <_ZN10CompWindow4moveEiib+89>: movswl 0x124(%rax),%esi 0x7f22a1073640 <_ZN10CompWindow4moveEiib+96>: add %esi,%edx 0x7f22a1073642 <_ZN10CompWindow4moveEiib+98>: mov $0x3,%esi 0x7f22a1073647 <_ZN10CompWindow4moveEiib+103>: mov %edx,0x4(%rsp) 0x7f22a107364b <_ZN10CompWindow4moveEiib+107>: mov %rsp,%rdx 0x7f22a107364e <_ZN10CompWindow4moveEiib+110>: callq 0x7f22a104af30 <_ZN10CompWindow16configureXWindowEjP14XWindowChanges@plt> 0x7f22a1073653 <_ZN10CompWindow4moveEiib+115>: mov 0x28(%rsp),%rax 0x7f22a1073658 <_ZN10CompWindow4moveEiib+120>: xor %fs:0x28,%rax 0x7f22a1073661 <_ZN10CompWindow4moveEiib+129>: jne 0x7f22a1073668 <_ZN10CompWindow4moveEiib+136> 0x7f22a1073663 <_ZN10CompWindow4moveEiib+131>: add $0x38,%rsp 0x7f22a1073667 <_ZN10CompWindow4moveEiib+135>: retq 0x7f22a1073668 <_ZN10CompWindow4moveEiib+136>: callq 0x7f22a104c770 <__stack_chk_fail@plt> (gdb) thread apply all backtrace Thread 5 (Thread 0x7f226e601700 (LWP 4009)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f229f007daf in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f229ef979db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f229efea765 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f229efe9d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f229e9546fa in start_thread (arg=0x7f226e601700) at pthread_create.c:333 #6 0x00007f22a07a0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7f2293e78700 (LWP 3835)): #0 0x00007f22a0794e8d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f229efc341c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f229efc37a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f2294dad286 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f229efe9d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f229e9546fa in start_thread (arg=0x7f2293e78700) at pthread_create.c:333 #6 0x00007f22a07a0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7f2294679700 (LWP 3834)): #0 0x00007f22a0794e8d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f229efc341c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f229efc352c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f229468141d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #4 0x00007f229efe9d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f229e9546fa in start_thread (arg=0x7f2294679700) at pthread_create.c:333 #6 0x00007f22a07a0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7f229cb27700 (LWP 3833)): #0 0x00007f22a0794e8d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007f229efc341c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f229efc352c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f229efc3569 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f229efe9d75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f229e9546fa in start_thread (arg=0x7f229cb27700) at pthread_create.c:333 #6 0x00007f22a07a0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7f22a14c9780 (LWP 3832)): #0 0x00007f22a1073625 in CompWindow::move(int, int, bool) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 #1 0x00007f227c1892f9 in ExpoScreen::donePaint() () from /usr/lib/x86_64-linux-gnu/compiz/libexpo.so #2 0x00007f2292c284aa in CompositeScreen::donePaint() () from /usr/lib/x86_64-linux-gnu/compiz/libcomposite.so #3 0x00007f2292c284aa in CompositeScreen::donePaint() () from /usr/lib/x86_64-linux-gnu/compiz/libcomposite.so #4 0x00007f2292c2b58b in CompositeScreen::handlePaintTimeout() () from /usr/lib/x86_64-linux-gnu/compiz/libcomposite.so #5 0x00007f22a109ca2f in CompTimer::triggerCallback() () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 #6 0x00007f22a109cb1c in CompTimeoutSource::callback() () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 #7 0x00007f22a109bf4d in CompTimeoutSource::dispatch(sigc::slot_base*) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 #8 0x00007f229f2de6ef in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 #9 0x00007f229efc30da in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007f229efc3480 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #11 0x00007f229efc37a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #12 0x00007f22a1053c1f in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () from /usr/lib/x86_64-linux-gnu/libcompiz_core.so.ABI-20151010 #13 0x000055ae528fb7b1 in main ()