.
Thread 6 (LWP 2631):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f9455813123 in radeon_drm_cs_emit_ioctl () from /tmp/apport_sandbox_0lfSRs/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#2  0x00007f9455812877 in impl_thrd_routine () from /tmp/apport_sandbox_0lfSRs/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
No symbol table info available.
#3  0x00007f946747a66a in start_thread (arg=0x7f944d62c700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f944d62c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140274930206464, 3614038979350279713, 0, 140728878640271, 140274930207168, 140728878642800, -3670645314758986207, -3670596687953611231}, 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  0x00007f94692c701d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 5 (LWP 3106):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f9467b2ecaa in g_cond_wait_until () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9467abe929 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9467abef4b in g_async_queue_timeout_pop () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9467b115ba in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9467b10b65 in g_thread_proxy () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f946747a66a in start_thread (arg=0x7f943b934700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f943b934700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140274631395072, 3614038979350279713, 0, 140728878635391, 140274631395776, 140275108358352, -3670483811103754719, -3670596687953611231}, 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  0x00007f94692c701d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (LWP 2597):
#0  0x00007f94692bb9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f9467aea31c in g_main_context_iterate.isra () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9467aea6a2 in g_main_loop_run () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f945d8d0816 in gdbus_shared_thread_func () from /tmp/apport_sandbox_0lfSRs/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f9467b10b65 in g_thread_proxy () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f946747a66a in start_thread (arg=0x7f945c9a0700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f945c9a0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140275185485568, 3614038979350279713, 0, 140275193875263, 140275185486272, 140275108360032, -3670683842763114975, -3670596687953611231}, 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  0x00007f94692c701d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (LWP 2562):
#0  0x00007f94692bb9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f9467aea31c in g_main_context_iterate.isra () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9467aea42c in g_main_context_iteration () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9467aea469 in glib_worker_main () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9467b10b65 in g_thread_proxy () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f946747a66a in start_thread (arg=0x7f946564e700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f946564e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140275332998912, 3614038979350279713, 0, 140728878643455, 140275332999616, 0, -3670592556454463967, -3670596687953611231}, 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  0x00007f94692c701d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (LWP 2596):
#0  0x00007f94692bb9ed in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f9467aea31c in g_main_context_iterate.isra () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9467aea42c in g_main_context_iteration () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f945d1a928d in ?? () from /tmp/apport_sandbox_0lfSRs/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f9467b10b65 in g_thread_proxy () from /tmp/apport_sandbox_0lfSRs/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f946747a66a in start_thread (arg=0x7f945d1a1700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f945d1a1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140275193878272, 3614038979350279713, 0, 140728878641983, 140275193878976, 20625952, -3670680563018713567, -3670596687953611231}, 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  0x00007f94692c701d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (LWP 2514):
#0  0x00007f945c0200d4 in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.