Description of problem: When running Firefox Wayland port, gnome-shell crashed. Backtrace generated by abrt: [New LWP 1626] [New LWP 1634] [New LWP 1633] [New LWP 1779] [New LWP 1824] [New LWP 1823] [New LWP 1825] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/bin/gnome-shell'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007fe19172c090 in subsurface_role_get_toplevel (surface_role=<optimized out>) at wayland/meta-wayland-surface.c:608 608 if (parent->role) [Current thread is 1 (Thread 0x7fe19678c640 (LWP 1626))] Thread 7 (Thread 0x7fe166bb8700 (LWP 1825)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007fe188107d30 in PR_WaitCondVar (cvar=0x55e505c85b70, timeout=timeout@entry=4294967295) at ../../../nspr/pr/src/pthreads/ptsynch.c:396 rv = <optimized out> thred = 0x55e505c60260 #2 0x00007fe194a0efeb in js::SourceCompressorThread::threadLoop (this=0x55e505e70258) at /usr/src/debug/mozjs-24.2.0/js/src/jsscript.cpp:1094 No locals. #3 js::SourceCompressorThread::compressorThread (arg=0x55e505e70258) at /usr/src/debug/mozjs-24.2.0/js/src/jsscript.cpp:965 No locals. #4 0x00007fe18810d5bc in _pt_root (arg=0x55e505c60260) at ../../../nspr/pr/src/pthreads/ptthread.c:216 rv = <optimized out> thred = 0x55e505c60260 detached = 0 id = 140606067934976 tid = 1825 #5 0x00007fe18b6c66ca in start_thread (arg=0x7fe166bb8700) at pthread_create.c:333 __res = <optimized out> pd = 0x7fe166bb8700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140606067934976, -307745072523850303, 0, 140730435934399, 140606067935680, 140606067934976, 322119567995751873, 322497362080353729}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #6 0x00007fe18b400f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. Thread 6 (Thread 0x7fe167bba700 (LWP 1823)): #0 0x00007fe18b3f501d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007fe195982f51 in poll (__timeout=-1, __nfds=3, __fds=0x7fe158006c70) at /usr/include/bits/poll2.h:46 No locals. #2 poll_func (ufds=0x7fe158006c70, nfds=3, timeout=-1, userdata=0x55e505cfc1b0) at pulse/thread-mainloop.c:69 mutex = 0x55e505cfc1b0 r = <optimized out> #3 0x00007fe195974721 in pa_mainloop_poll (m=m@entry=0x55e505c91f70) at pulse/mainloop.c:844 __func__ = "pa_mainloop_poll" __PRETTY_FUNCTION__ = "pa_mainloop_poll" #4 0x00007fe195974dbe in pa_mainloop_iterate (m=0x55e505c91f70, block=<optimized out>, retval=0x0) at pulse/mainloop.c:926 r = 0 #5 0x00007fe195974e70 in pa_mainloop_run (m=0x55e505c91f70, retval=retval@entry=0x0) at pulse/mainloop.c:944 r = <optimized out> #6 0x00007fe195982e99 in thread (userdata=0x55e505cf8150) at pulse/thread-mainloop.c:100 m = 0x55e505cf8150 mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}} prev_mask = {__val = {0 <repeats 16 times>}} sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0} #7 0x00007fe18b0cb178 in internal_thread_func (userdata=0x55e505c1a670) at pulsecore/thread-posix.c:81 t = 0x55e505c1a670 #8 0x00007fe18b6c66ca in start_thread (arg=0x7fe167bba700) at pthread_create.c:333 __res = <optimized out> pd = 0x7fe167bba700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140606084720384, -307745072523850303, 0, 140730435935551, 140606084721088, 140606084720384, 322117374341205441, 322497362080353729}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #9 0x00007fe18b400f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. Thread 5 (Thread 0x7fe1673b9700 (LWP 1824)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007fe188107d30 in PR_WaitCondVar (cvar=0x55e505cd0330, timeout=timeout@entry=4294967295) at ../../../nspr/pr/src/pthreads/ptsynch.c:396 rv = <optimized out> thred = 0x55e505c5fb20 #2 0x00007fe19499b5ae in js::GCHelperThread::threadLoop (this=0x55e505e70178) at /usr/src/debug/mozjs-24.2.0/js/src/jsgc.cpp:2266 lock = {runtime = 0x55e505e6f400} #3 0x00007fe18810d5bc in _pt_root (arg=0x55e505c5fb20) at ../../../nspr/pr/src/pthreads/ptthread.c:216 rv = <optimized out> thred = 0x55e505c5fb20 detached = 0 id = 140606076327680 tid = 1824 #4 0x00007fe18b6c66ca in start_thread (arg=0x7fe1673b9700) at pthread_create.c:333 __res = <optimized out> pd = 0x7fe1673b9700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140606076327680, -307745072523850303, 0, 140730435934367, 140606076328384, 140606076327680, 322118474389704129, 322497362080353729}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #5 0x00007fe18b400f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. Thread 4 (Thread 0x7fe174c4a700 (LWP 1779)): #0 0x00007fe18b3f501d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007fe18cef3156 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fe1600010c0, timeout=<optimized out>, context=0x55e505b6d360) at gmain.c:4228 poll_func = 0x7fe18cf03000 <g_poll> #2 g_main_context_iterate (context=context@entry=0x55e505b6d360, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924 max_priority = 2147483647 timeout = -1 some_ready = <optimized out> nfds = 1 allocated_nfds = 1 fds = 0x7fe1600010c0 #3 0x00007fe18cef326c in g_main_context_iteration (context=context@entry=0x55e505b6d360, may_block=may_block@entry=1) at gmain.c:3990 retval = <optimized out> #4 0x00007fe174c51fad in dconf_gdbus_worker_thread (user_data=0x55e505b6d360) at dconf-gdbus-thread.c:82 context = 0x55e505b6d360 #5 0x00007fe18cf1ab03 in g_thread_proxy (data=0x7fe1680044a0) at gthread.c:784 thread = 0x7fe1680044a0 __func__ = "g_thread_proxy" #6 0x00007fe18b6c66ca in start_thread (arg=0x7fe174c4a700) at pthread_create.c:333 __res = <optimized out> pd = 0x7fe174c4a700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140606303414016, -307745072523850303, 0, 140730435934095, 140606303414720, 140606303414016, 322080995968208321, 322497362080353729}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fe18b400f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. Thread 3 (Thread 0x7fe177a28700 (LWP 1633)): #0 0x00007fe18b3f501d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007fe18cef3156 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7fe1700008e0, timeout=<optimized out>, context=0x55e505921b90) at gmain.c:4228 poll_func = 0x7fe18cf03000 <g_poll> #2 g_main_context_iterate (context=context@entry=0x55e505921b90, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924 max_priority = 2147483647 timeout = -1 some_ready = <optimized out> nfds = 2 allocated_nfds = 2 fds = 0x7fe1700008e0 #3 0x00007fe18cef326c in g_main_context_iteration (context=0x55e505921b90, may_block=may_block@entry=1) at gmain.c:3990 retval = <optimized out> #4 0x00007fe18cef32b1 in glib_worker_main (data=<optimized out>) at gmain.c:5783 No locals. #5 0x00007fe18cf1ab03 in g_thread_proxy (data=0x55e505922000) at gthread.c:784 thread = 0x55e505922000 __func__ = "g_thread_proxy" #6 0x00007fe18b6c66ca in start_thread (arg=0x7fe177a28700) at pthread_create.c:333 __res = <optimized out> pd = 0x7fe177a28700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140606351509248, -307745072523850303, 0, 140730435935647, 140606351509952, 140606351509248, 322082382168903105, 322497362080353729}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fe18b400f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. Thread 2 (Thread 0x7fe177227700 (LWP 1634)): #0 0x00007fe18b3f501d in poll () at ../sysdeps/unix/syscall-template.S:84 No locals. #1 0x00007fe18cef3156 in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x7fe168018440, timeout=<optimized out>, context=0x55e505939930) at gmain.c:4228 poll_func = 0x7fe18cf03000 <g_poll> #2 g_main_context_iterate (context=0x55e505939930, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924 max_priority = 2147483647 timeout = -1 some_ready = <optimized out> nfds = 4 allocated_nfds = 5 fds = 0x7fe168018440 #3 0x00007fe18cef34e2 in g_main_loop_run (loop=0x55e5059398c0) at gmain.c:4125 __func__ = "g_main_loop_run" #4 0x00007fe18e802946 in gdbus_shared_thread_func (user_data=0x55e505939900) at gdbusprivate.c:247 data = 0x55e505939900 #5 0x00007fe18cf1ab03 in g_thread_proxy (data=0x55e5059220a0) at gthread.c:784 thread = 0x55e5059220a0 __func__ = "g_thread_proxy" #6 0x00007fe18b6c66ca in start_thread (arg=0x7fe177227700) at pthread_create.c:333 __res = <optimized out> pd = 0x7fe177227700 now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140606343116544, -307745072523850303, 0, 140730435934495, 140606343117248, 140606343116544, 322083482217401793, 322497362080353729}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> pagesize_m1 = <optimized out> sp = <optimized out> freesize = <optimized out> __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fe18b400f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105 No locals. Thread 1 (Thread 0x7fe19678c640 (LWP 1626)): #0 0x00007fe19172c090 in subsurface_role_get_toplevel (surface_role=<optimized out>) at wayland/meta-wayland-surface.c:608 surface = <optimized out> parent = 0x0 #1 0x00007fe19172bf31 in actor_surface_commit (surface_role=<optimized out>, pending=0x55e509360c40) at wayland/meta-wayland-surface.c:2012 surface = 0x55e509377eb0 toplevel_surface = <optimized out> #2 0x00007fe19172c10d in subsurface_role_commit (surface_role=0x55e50919b6e0, pending=0x55e509360c40) at wayland/meta-wayland-surface.c:593 surface_role_class = <optimized out> surface = 0x55e509377eb0 surface_actor = 0x55e508ce2b80 #3 0x00007fe19172b0b4 in meta_wayland_surface_role_commit (pending=0x55e509360c40, surface_role=<optimized out>) at wayland/meta-wayland-surface.c:1886 No locals. #4 apply_pending_state (surface=0x55e509377eb0, pending=0x55e509360c40) at wayland/meta-wayland-surface.c:798 surface_actor_wayland = <optimized out> __func__ = "apply_pending_state" #5 0x00007fe188731c58 in ffi_call_unix64 () at ../src/x86/unix64.S:76 No locals. #6 0x00007fe1887316ba in ffi_call (cif=cif@entry=0x7ffe5ba49e60, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7ffe5ba49f30) at ../src/x86/ffi64.c:525 classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 168099712, 21989} stack = <optimized out> argp = 0x7ffe5ba49d30 "" arg_types = <optimized out> gprcount = 2 ssecount = <optimized out> ngpr = 1 nsse = 0 i = <optimized out> avn = <optimized out> ret_in_memory = <optimized out> reg_args = <optimized out> #7 0x00007fe18c88558e in wl_closure_invoke (closure=closure@entry=0x55e50934afc0, flags=flags@entry=2, target=<optimized out>, target@entry=0x55e50a04ff80, opcode=opcode@entry=6, data=<optimized out>, data@entry=0x55e508e79750) at src/connection.c:935 count = <optimized out> cif = {abi = FFI_UNIX64, nargs = 2, arg_types = 0x7ffe5ba49e80, rtype = 0x7fe188732040 <ffi_type_void>, bytes = 0, flags = 0} ffi_types = {0x7fe188731f20 <ffi_type_pointer>, 0x7fe188731f20 <ffi_type_pointer>, 0x7fe188731f20 <ffi_type_pointer>, 0x7fe188731f80 <ffi_type_sint32>, 0x7fe188731f80 <ffi_type_sint32>, 0x7fe188731f80 <ffi_type_sint32>, 0x10, 0x1, 0x7ffe5ba4a0bc, 0x7ffe5ba49f00, 0x55e50a404790, 0x55e508e79750, 0x55e505b8f440, 0x7fe18c884032 <wl_connection_read+242>, 0x0, 0x55e505b8723c, 0x0, 0x7fe100000000, 0x7ffe5ba49f40, 0x2, 0x7ffe5ba49f60, 0x7fe18b6b9ae0 <main_arena>} ffi_args = {0x7ffe5ba49e50, 0x7ffe5ba49e58, 0x6, 0x55e508e79750, 0x7fe18e5350d0 <wl_surface_requests+144>, 0x7fe18b37ef14 <__GI___libc_malloc+84>, 0x55e505b87fa0, 0x0, 0x0, 0x7fe18c884e29 <wl_connection_demarshal+265>, 0x55e50934b098, 0x55e50a404790, 0x55e50934afc0, 0x55e508608260, 0x55e505b88128, 0x55e508e79788, 0x55e508608190, 0x55e508e79788, 0x7fe18e5350d0 <wl_surface_requests+144>, 0x7fe18c880847 <log_closure+71>, 0x55e508e79788, 0x7fe18e5350d0 <wl_surface_requests+144>} implementation = <optimized out> #8 0x00007fe18c881787 in wl_client_connection_data (fd=<optimized out>, mask=<optimized out>, data=0x55e508e79750) at src/wayland-server.c:371 client = 0x55e508e79750 connection = 0x55e50a404790 resource = 0x55e50a04ff80 object = 0x55e50a04ff80 closure = 0x55e50934afc0 message = 0x7fe18e5350d0 <wl_surface_requests+144> p = {127, 524294} resource_flags = <optimized out> opcode = 6 size = <optimized out> since = <optimized out> len = <optimized out> #9 0x00007fe18c883802 in wl_event_loop_dispatch (loop=0x55e505922fb0, timeout=timeout@entry=0) at src/event-loop.c:423 ep = {{events = 1, data = {ptr = 0x55e5085952a0, fd = 140071584, u32 = 140071584, u64 = 94442175943328}}, {events = 721367060, data = {ptr = 0x55e505b93ef0, fd = 96026352, u32 = 96026352, u64 = 94442131898096}}, {events = 32, data = {ptr = 0x5ba4a11000000000, fd = 0, u32 = 0, u64 = 6603580043723538432}}, {events = 32766, data = {ptr = 0x55e505b96f08, fd = 96038664, u32 = 96038664, u64 = 94442131910408}}, {events = 96030456, data = {ptr = 0x8c883d55000055e5, fd = 21989, u32 = 21989, u64 = 10126411197424096741}}, {events = 32737, data = {ptr = 0x20, fd = 32, u32 = 32, u64 = 32}}, {events = 1537515888, data = {ptr = 0x5ba4a18000007ffe, fd = 32766, u32 = 32766, u64 = 6603580524759908350}}, {events = 32766, data = {ptr = 0x2177bc8ac5a6f1, fd = -1966758159, u32 = 2328209137, u64 = 9420325897217777}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 32737, data = {ptr = 0x7ffe5ba4a150, fd = 1537515856, u32 = 1537515856, u64 = 140730435936592}}, {events = 1, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x6d0e10000000000, fd = 0, u32 = 0, u64 = 491139749499633664}}, {events = 21989, data = {ptr = 0x55e505b956b4, fd = 96032436, u32 = 96032436, u64 = 94442131904180}}, {events = 32, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x55e506d0e100, fd = 114352384, u32 = 114352384, u64 = 94442150224128}}, {events = 2, data = {ptr = 0x5ba4a29800000000, fd = 0, u32 = 0, u64 = 6603581727350718464}}, {events = 32766, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2147483647, data = {ptr = 0x91e468f000000000, fd = 0, u32 = 0, u64 = 10512642810191020032}}, {events = 32737, data = {ptr = 0x7fe191c174d1 <_dbus_transport_get_dispatch_status+449>, fd = -1849592623, u32 = 2445374673, u64 = 140606789743825}}, {events = 0, data = {ptr = 0x471c9c0000000000, fd = 0, u32 = 0, u64 = 5124141999854714880}}, {events = 721367060, data = {ptr = 0x7ffe5ba4fbd9 <clock_gettime+473>, fd = 1537539033, u32 = 1537539033, u64 = 140730435959769}}, {events = 114352384, data = {ptr = 0x2000055e5, fd = 21989, u32 = 21989, u64 = 8589956581}}, {events = 0, data = {ptr = 0x2aff3014471c9c00, fd = 1193057280, u32 = 1193057280, u64 = 3098247932304727040}}, {events = 114354176, data = {ptr = 0x2f000055e5, fd = 21989, u32 = 21989, u64 = 201863484901}}, {events = 0, data = {ptr = 0x20, fd = 32, u32 = 32, u64 = 32}}, {events = 2364609060, data = {ptr = 0x7fe1, fd = 32737, u32 = 32737, u64 = 32737}}, {events = 0, data = {ptr = 0x55e505b75830, fd = 95901744, u32 = 95901744, u64 = 94442131773488}}, {events = 95845712, data = {ptr = 0x5921f00000055e5, fd = 21989, u32 = 21989, u64 = 401417401649878501}}, {events = 21989, data = {ptr = 0x55e505908e00, fd = 93359616, u32 = 93359616, u64 = 94442129231360}}, {events = 2364649472, data = {ptr = 0x7fe1, fd = 32737, u32 = 32737, u64 = 32737}}, {events = 0, data = {ptr = 0x7fe191716fa0 <wayland_event_source_dispatch>, fd = -1854836832, u32 = 2440130464, u64 = 140606784499616}}} source = <optimized out> i = <optimized out> count = <optimized out> #10 0x00007fe191716fb7 in wayland_event_source_dispatch (base=<optimized out>, callback=<optimized out>, data=<optimized out>) at wayland/meta-wayland.c:79 source = <optimized out> loop = <optimized out> #11 0x00007fe18cef2e42 in g_main_dispatch (context=0x55e505921f00) at gmain.c:3203 dispatch = 0x7fe191716fa0 <wayland_event_source_dispatch> prev_source = 0x0 was_in_call = 0 user_data = 0x0 callback = 0x0 cb_funcs = 0x0 cb_data = 0x0 need_destroy = <optimized out> source = 0x55e505b8f440 current = 0x55e505932030 i = 0 #12 g_main_context_dispatch (context=context@entry=0x55e505921f00) at gmain.c:3856 No locals. #13 0x00007fe18cef31c0 in g_main_context_iterate (context=0x55e505921f00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3929 max_priority = 300 timeout = 0 some_ready = 1 nfds = 17 allocated_nfds = 18 fds = <optimized out> #14 0x00007fe18cef34e2 in g_main_loop_run (loop=0x55e505b93600) at gmain.c:4125 __func__ = "g_main_loop_run" #15 0x00007fe1916e933c in meta_run () at core/main.c:572 No locals. #16 0x000055e503982657 in main (argc=<optimized out>, argv=<optimized out>) at main.c:471 ctx = <optimized out> error = 0x0 ecode = <optimized out> sender = 0x7fe1680122d0
*** This bug has been marked as a duplicate of bug 1417996 ***