.
Thread 9 (LWP 19294):
#0  0x00007fb1ab6ec9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb1a7a138a1 in poll (__timeout=-1, __nfds=2, __fds=0x7fb170006c60) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#2  poll_func (ufds=0x7fb170006c60, nfds=2, timeout=-1, userdata=0x13dc420) at pulse/thread-mainloop.c:69
        mutex = <optimized out>
#3  0x00007fb1a7a04e51 in pa_mainloop_poll (m=m@entry=0x145f450) at pulse/mainloop.c:844
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#4  0x00007fb1a7a054ee in pa_mainloop_iterate (m=0x145f450, block=<optimized out>, retval=0x0) at pulse/mainloop.c:926
        r = 0
#5  0x00007fb1a7a055a0 in pa_mainloop_run (m=0x145f450, retval=retval@entry=0x0) at pulse/mainloop.c:944
        r = <optimized out>
#6  0x00007fb1a7a137e9 in thread (userdata=0x13e74e0) at pulse/thread-mainloop.c:100
        m = 0x13e74e0
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
        prev_mask = {__val = {0, 0, 0, 0, 0, 0, 0, 140400840487304, 0, 140728196029055, 140400510765504, 140728196030048, 0, 140401115990445, 5, 0}}
        sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 0, 0, 0, 140401117217624, 140400510761696, 140401117126040, 5, 0, 0, 30, 140400510761728, 0, 31, 140400510764800, 140400510764800}}, sa_flags = 0, sa_restorer = 0x0}
#7  0x00007fb19e169178 in internal_thread_func (userdata=0x14168e0) at pulsecore/thread-posix.c:81
        t = 0x14168e0
#8  0x00007fb1ab9c866a in start_thread (arg=0x7fb18a920700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18a920700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400510764800, -4932410864182128737, 0, 140728196029055, 140400510765504, 140728196030048, 4967359683219525535, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 8 (LWP 19296):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fb19dceb660 in PR_WaitCondVar (cvar=0x13c4ac0, timeout=timeout@entry=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x13e2810
#2  0x00007fb1a74a59a6 in threadLoop (this=0x15f8658) at /build/mozjs24-ujx432/mozjs24-24.2.0/js/src/jsscript.cpp:1094
No locals.
#3  js::SourceCompressorThread::compressorThread (arg=0x15f8658) at /build/mozjs24-ujx432/mozjs24-24.2.0/js/src/jsscript.cpp:965
No locals.
#4  0x00007fb19dcf0fe8 in _pt_root (arg=0x13e2810) at ptthread.c:212
        rv = <optimized out>
        thred = 0x13e2810
        detached = 0
        id = 140400493979392
        tid = 19296
#5  0x00007fb1ab9c866a in start_thread (arg=0x7fb18991e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18991e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400493979392, -4932410864182128737, 0, 140728196027887, 140400493980096, 1, 4967361881169039263, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 7 (LWP 19292):
#0  0x00007fb1ab6ec9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb1abc2b31c in g_main_context_iterate.isra () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb1abc2b42c in g_main_context_iteration () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb18c9e028d in ?? () from /tmp/apport_sandbox_3BjdJT/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fb1abc51b65 in g_thread_proxy () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb1ab9c866a in start_thread (arg=0x7fb18b576700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18b576700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400523699968, -4932410864182128737, 0, 140728196027599, 140400523700672, 20098992, 4967356989201289119, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 6 (LWP 19295):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fb19dceb660 in PR_WaitCondVar (cvar=0x13ba3a0, timeout=timeout@entry=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x15b8410
#2  0x00007fb1a7431dae in js::GCHelperThread::threadLoop (this=0x15f8578) at /build/mozjs24-ujx432/mozjs24-24.2.0/js/src/jsgc.cpp:2266
        lock = {runtime = 0x15f7800}
#3  0x00007fb19dcf0fe8 in _pt_root (arg=0x15b8410) at ptthread.c:212
        rv = <optimized out>
        thred = 0x15b8410
        detached = 0
        id = 140400502372096
        tid = 19295
#4  0x00007fb1ab9c866a in start_thread (arg=0x7fb18a11f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18a11f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400502372096, -4932410864182128737, 0, 140728196027855, 140400502372800, 1, 4967358584244768671, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 5 (LWP 19291):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fb1abc6fcaa in g_cond_wait_until () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb1abbff929 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb1abc524d6 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb1abc51b65 in g_thread_proxy () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb1ab9c866a in start_thread (arg=0x7fb18bd77700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18bd77700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400532092672, -4932410864182128737, 0, 140728196028671, 140400532093376, 19984880, 4967358090323529631, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (LWP 19284):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fb19531e123 in radeon_drm_cs_emit_ioctl () from /tmp/apport_sandbox_3BjdJT/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#2  0x00007fb19531d877 in impl_thrd_routine () from /tmp/apport_sandbox_3BjdJT/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007fb1ab9c866a in start_thread (arg=0x7fb18d628700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18d628700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400557983488, -4932410864182128737, 0, 140728196026687, 140400557984192, 140728196029216, 4967352429019762591, 4967427828925566879}, 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"
#4  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (LWP 19285):
#0  0x00007fb1ab6ec9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb1abc2b31c in g_main_context_iterate.isra () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb1abc2b6a2 in g_main_loop_run () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb1ac445816 in gdbus_shared_thread_func () from /tmp/apport_sandbox_3BjdJT/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fb1abc51b65 in g_thread_proxy () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb1ab9c866a in start_thread (arg=0x7fb18c578700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb18c578700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400540485376, -4932410864182128737, 0, 140728196026607, 140400540486080, 20042384, 4967354791251775391, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (LWP 19283):
#0  0x00007fb1ab6ec9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb1abc2b31c in g_main_context_iterate.isra () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb1abc2b42c in g_main_context_iteration () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb1abc2b469 in glib_worker_main () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb1abc51b65 in g_thread_proxy () from /tmp/apport_sandbox_3BjdJT/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb1ab9c866a in start_thread (arg=0x7fb196a40700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb196a40700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140400713271040, -4932410864182128737, 0, 140728196029167, 140400713271744, 0, 4967368359053463455, 4967427828925566879}, 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  0x00007fb1ab6f801d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (LWP 19282):
#0  0x00007fb1ad5fac47 in meta_screen_free () from /tmp/apport_sandbox_3BjdJT/usr/lib/libmutter.so.0
No symbol table info available.
#1  0x00007fb1ad5eca05 in meta_display_close () from /tmp/apport_sandbox_3BjdJT/usr/lib/libmutter.so.0
No symbol table info available.
#2  0x00007fb1ad5edd22 in meta_display_open () from /tmp/apport_sandbox_3BjdJT/usr/lib/libmutter.so.0
No symbol table info available.
#3  0x00007fb1ad5f66cc in meta_run () from /tmp/apport_sandbox_3BjdJT/usr/lib/libmutter.so.0
No symbol table info available.
#4  0x0000000000402197 in main ()
No symbol table info available.