Attachment 948141 Details for Bug 1121294 – Cheese backtrace

Cheese backtrace

backtrace.log (text/plain), 45.97 KB, created by Jeremy Rimpo on 2014-10-18 19:48:50 UTC

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Creator: Jeremy Rimpo

Created: 2014-10-18 19:48:50 UTC

Size: 45.97 KB

patch

obsolete

>
>Thread 24 (Thread 0x7fff7ee15700 (LWP 3573)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e3d7 in g_cond_wait_until (cond=cond@entry=0xa699e8, 
>    mutex=mutex@entry=0xa699e0, end_time=end_time@entry=2429466634)
>    at gthread-posix.c:1437
>        now = {tv_sec = 2428, tv_nsec = 966634277}
>        span = {tv_sec = 0, tv_nsec = 499999723}
>        sampled = 0
>        res = <optimized out>
>#2  0x00007ffff142ec09 in g_async_queue_pop_intern_unlocked (queue=0xa699e0, 
>    wait=wait@entry=1, end_time=2429466634) at gasyncqueue.c:422
>        retval = <optimized out>
>        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
>#3  0x00007ffff142f268 in g_async_queue_timeout_pop_unlocked (
>    queue=<optimized out>, timeout=timeout@entry=500000) at gasyncqueue.c:570
>        end_time = <optimized out>
>#4  0x00007ffff14810b0 in g_thread_pool_wait_for_new_task (pool=0xa69ae0)
>    at gthreadpool.c:262
>        task = <optimized out>
>#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
>        task = 0xbfc9b0
>        pool = 0xa69ae0
>#6  0x00007ffff1480745 in g_thread_proxy (data=0x7fff98002d90) at gthread.c:764
>        thread = 0x7fff98002d90
>#7  0x00007ffff11fb52a in start_thread (arg=0x7fff7ee15700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fff7ee15700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735322085120, 
>                -8583870434171176742, 140736177609985, 4096, 140735322085120, 
>                140735322085824, 8584153992773220570, 8583884454859487450}, 
>              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>
>#8  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 23 (Thread 0x7fffa0ff9700 (LWP 3571)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e3d7 in g_cond_wait_until (cond=cond@entry=0x128bdf8, 
>    mutex=mutex@entry=0x128bdf0, end_time=end_time@entry=2429050624)
>    at gthread-posix.c:1437
>        now = {tv_sec = 2428, tv_nsec = 550624774}
>        span = {tv_sec = 0, tv_nsec = 499999226}
>        sampled = 0
>        res = <optimized out>
>#2  0x00007ffff142ec09 in g_async_queue_pop_intern_unlocked (queue=0x128bdf0, 
>    wait=wait@entry=1, end_time=2429050624) at gasyncqueue.c:422
>        retval = <optimized out>
>        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
>#3  0x00007ffff142f268 in g_async_queue_timeout_pop_unlocked (
>    queue=<optimized out>, timeout=timeout@entry=500000) at gasyncqueue.c:570
>        end_time = <optimized out>
>#4  0x00007ffff14810b0 in g_thread_pool_wait_for_new_task (pool=0x1287ce0)
>    at gthreadpool.c:262
>        task = <optimized out>
>#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
>        task = 0x12ddc10
>        pool = 0x1287ce0
>#6  0x00007ffff1480745 in g_thread_proxy (data=0x7fffa40032d0) at gthread.c:764
>        thread = 0x7fffa40032d0
>#7  0x00007ffff11fb52a in start_thread (arg=0x7fffa0ff9700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffa0ff9700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735894492928, 
>                -8583870434171176742, 140737488345601, 4096, 140735894492928, 
>                140735894493632, 8584061751908088026, 8583884454859487450}, 
>              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>
>#8  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 22 (Thread 0x7fffa17fa700 (LWP 3570)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e3d7 in g_cond_wait_until (cond=cond@entry=0x128bdf8, 
>    mutex=mutex@entry=0x128bdf0, end_time=end_time@entry=2429049395)
>    at gthread-posix.c:1437
>        now = {tv_sec = 2428, tv_nsec = 549395952}
>        span = {tv_sec = 0, tv_nsec = 499999048}
>        sampled = 0
>        res = <optimized out>
>#2  0x00007ffff142ec09 in g_async_queue_pop_intern_unlocked (queue=0x128bdf0, 
>    wait=wait@entry=1, end_time=2429049395) at gasyncqueue.c:422
>        retval = <optimized out>
>        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
>#3  0x00007ffff142f268 in g_async_queue_timeout_pop_unlocked (
>    queue=<optimized out>, timeout=timeout@entry=500000) at gasyncqueue.c:570
>        end_time = <optimized out>
>#4  0x00007ffff14810b0 in g_thread_pool_wait_for_new_task (pool=0x1287ce0)
>    at gthreadpool.c:262
>        task = <optimized out>
>#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
>        task = 0x12ddce0
>        pool = 0x1287ce0
>#6  0x00007ffff1480745 in g_thread_proxy (data=0x7fffa4003280) at gthread.c:764
>        thread = 0x7fffa4003280
>#7  0x00007ffff11fb52a in start_thread (arg=0x7fffa17fa700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffa17fa700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735902885632, 
>                -8583870434171176742, 140737488344321, 4096, 140735902885632, 
>                140735902886336, 8584060652933331162, 8583884454859487450}, 
>              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>
>#8  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 21 (Thread 0x7fffa1ffb700 (LWP 3569)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x1041010, mutex=0x1041000)
>    at gthread-posix.c:1390
>        sampled = 6
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x1041018) at gstqueue.c:1249
>        queue = 0x1040d80
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0xfa3710) at gsttask.c:317
>        lock = 0x1060990
>        tself = 0x12586d0
>        priv = 0xfa36c0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbf1f90
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x12586d0) at gthread.c:764
>        thread = 0x12586d0
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffa1ffb700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffa1ffb700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735911278336, 
>                -8583870434171176742, 140737488342017, 4096, 140735911278336, 
>                140735911279040, 8584059551811090650, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 20 (Thread 0x7fffa27fc700 (LWP 3568)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x10415f0, mutex=0x10415e0)
>    at gthread-posix.c:1390
>        sampled = 1
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x10415f8) at gstqueue.c:1249
>        queue = 0x1041360
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0xfa3b90) at gsttask.c:317
>        lock = 0x123e090
>        tself = 0x127ca30
>        priv = 0xfa3b40
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbea9a0
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x127ca30) at gthread.c:764
>        thread = 0x127ca30
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffa27fc700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffa27fc700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735919671040, 
>                -8583870434171176742, 140737488342017, 4096, 140735919671040, 
>                140735919671744, 8584058452836333786, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 19 (Thread 0x7fffa2ffd700 (LWP 3567)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x1040d20, mutex=0x1040d10)
>    at gthread-posix.c:1390
>        sampled = 1
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x1040d28) at gstqueue.c:1249
>        queue = 0x1040a90
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0xfa3830) at gsttask.c:317
>        lock = 0x1059740
>        tself = 0x1258770
>        priv = 0xfa37e0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbf0480
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x1258770) at gthread.c:764
>        thread = 0x1258770
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffa2ffd700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffa2ffd700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735928063744, 
>                -8583870434171176742, 140737488343041, 4096, 140735928063744, 
>                140735928064448, 8584057351714093274, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 18 (Thread 0x7fffa37fe700 (LWP 3566)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0xfc0be0, mutex=0xfc0bf0)
>    at gthread-posix.c:1390
>        sampled = 3
>#2  0x00007fffb7905bb3 in gst_app_src_create (bsrc=0xfc0d90, offset=0, 
>    size=4096, buf=0x7fffa37fda68) at gstappsrc.c:1122
>        priv = 0xfc0be0
>        __PRETTY_FUNCTION__ = "gst_app_src_create"
>#3  0x00007ffff6dfc593 in gst_base_src_get_range (src=0xfc0d90, offset=0, 
>    length=4096, buf=0x7fffa37fdb38) at gstbasesrc.c:2445
>        res_buf = 0x0
>        in_buf = 0x0
>        __PRETTY_FUNCTION__ = "gst_base_src_get_range"
>#4  0x00007ffff6dfe3cb in gst_base_src_loop (pad=0xc9fb20) at gstbasesrc.c:2721
>        src = 0xfc0d90
>        buf = 0x0
>        ret = GST_FLOW_OK
>        eos = 4096
>        blocksize = 4096
>        __PRETTY_FUNCTION__ = "gst_base_src_loop"
>#5  0x00007ffff6b53d26 in gst_task_func (task=0xfa35f0) at gsttask.c:317
>        lock = 0xc9fb90
>        tself = 0x127c990
>        priv = 0xfa35a0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#6  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbeaaa0
>        pool = 0x649950
>#7  0x00007ffff1480745 in g_thread_proxy (data=0x127c990) at gthread.c:764
>        thread = 0x127c990
>#8  0x00007ffff11fb52a in start_thread (arg=0x7fffa37fe700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffa37fe700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735936456448, 
>                -8583870434171176742, 140737488342785, 4096, 140735936456448, 
>                140735936457152, 8584056252739336410, 8583884454859487450}, 
>              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>
>#9  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 17 (Thread 0x7fffa3fff700 (LWP 3565)):
>#0  0x00007fffb83bcd82 in jsimd_idct_islow_sse2.column_end ()
>   from /lib64/libjpeg.so.62
>No symbol table info available.
>#1  0x00007fff98034a60 in ?? ()
>No symbol table info available.
>#2  0x00007fff98033f60 in ?? ()
>No symbol table info available.
>#3  0x00007fffb83b3e40 in ?? () at jsimd_x86_64.c:727 from /lib64/libjpeg.so.62
>No locals.
>#4  0x0000000000000003 in ?? ()
>No symbol table info available.
>#5  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 16 (Thread 0x7fffb0df9700 (LWP 3564)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x1041300, mutex=0x10412f0)
>    at gthread-posix.c:1390
>        sampled = 1
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x1041308) at gstqueue.c:1249
>        queue = 0x1041070
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0x12b1170) at gsttask.c:317
>        lock = 0x106b280
>        tself = 0x12585e0
>        priv = 0x12b1120
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbea870
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x12585e0) at gthread.c:764
>        thread = 0x12585e0
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffb0df9700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffb0df9700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736160831232, 
>                -8583870434171176742, 140737488342785, 4096, 140736160831232, 
>                140736160831936, 8584026842413906138, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 15 (Thread 0x7fffb15fa700 (LWP 3563)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x1040740, mutex=0x1040730)
>    at gthread-posix.c:1390
>        sampled = 1
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x1040748) at gstqueue.c:1249
>        queue = 0x10404b0
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0x12b1050) at gsttask.c:317
>        lock = 0x104e510
>        tself = 0x127cca0
>        priv = 0x12b1000
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbec330
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x127cca0) at gthread.c:764
>        thread = 0x127cca0
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffb15fa700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffb15fa700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736169223936, 
>                -8583870434171176742, 140737488342785, 4096, 140736169223936, 
>                140736169224640, 8584025743439149274, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 14 (Thread 0x7fffb1dfb700 (LWP 3562)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x1040450, mutex=0x1040440)
>    at gthread-posix.c:1390
>        sampled = 6
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x1040458) at gstqueue.c:1249
>        queue = 0x10401c0
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0xfa3950) at gsttask.c:317
>        lock = 0x1009780
>        tself = 0x1258190
>        priv = 0xfa3900
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbee800
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x1258190) at gthread.c:764
>        thread = 0x1258190
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffb1dfb700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffb1dfb700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736177616640, 
>                -8583870434171176742, 140737488342785, 4096, 140736177616640, 
>                140736177617344, 8584024642316908762, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 13 (Thread 0x7fffb25fc700 (LWP 3561)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007ffff149e2bc in g_cond_wait (cond=0x1040a30, mutex=0x1040a20)
>    at gthread-posix.c:1390
>        sampled = 1
>#2  0x00007fffb81593d5 in gst_queue_loop (pad=0x1040a38) at gstqueue.c:1249
>        queue = 0x10407a0
>        __PRETTY_FUNCTION__ = "gst_queue_loop"
>#3  0x00007ffff6b53d26 in gst_task_func (task=0x12b1290) at gsttask.c:317
>        lock = 0x104f230
>        tself = 0x127c8a0
>        priv = 0x12b1240
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#4  0x00007ffff14810d8 in g_thread_pool_thread_proxy (data=<optimized out>)
>    at gthreadpool.c:307
>        task = 0xbec350
>        pool = 0x649950
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x127c8a0) at gthread.c:764
>        thread = 0x127c8a0
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffb25fc700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffb25fc700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736186009344, 
>                -8583870434171176742, 140737488342785, 4096, 140736186009344, 
>                140736186010048, 8584023543342151898, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 12 (Thread 0x7fffd0ff9700 (LWP 3559)):
>#0  0x00007ffff0f2c1dd in poll () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x00007ffff1459e34 in g_main_context_poll (priority=2147483647, n_fds=2, 
>    fds=0x7fffcc0008c0, timeout=4153, context=0xbf6d40) at gmain.c:4076
>        poll_func = 0x7ffff1469230 <g_poll>
>#2  g_main_context_iterate (context=context@entry=0xbf6d40, 
>    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
>    at gmain.c:3776
>        max_priority = 2147483647
>        timeout = 4153
>        some_ready = <optimized out>
>        nfds = 2
>        allocated_nfds = 2
>        fds = 0x7fffcc0008c0
>#3  0x00007ffff1459f4c in g_main_context_iteration (context=0xbf6d40, 
>    may_block=may_block@entry=1) at gmain.c:3842
>        retval = <optimized out>
>#4  0x00007ffff1459f89 in glib_worker_main (data=<optimized out>)
>    at gmain.c:5589
>No locals.
>#5  0x00007ffff1480745 in g_thread_proxy (data=0xba7320) at gthread.c:764
>        thread = 0xba7320
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffd0ff9700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd0ff9700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736699799296, 
>                -8583870434171176742, 140737488342017, 4096, 140736699799296, 
>                140736699800000, 8583956198791821530, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 11 (Thread 0x7fffd17fa700 (LWP 3558)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x867018, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x867018)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x866f78) at lp_rast.c:761
>        task = 0x866f78
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x866f78}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd17fa700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd17fa700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736708192000, 
>                -8583870434171176742, 140737488344577, 4096, 140736708192000, 
>                140736708192704, 8583955099817064666, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 10 (Thread 0x7fffd1ffb700 (LWP 3557)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x866eb8, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x866eb8)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x866e18) at lp_rast.c:761
>        task = 0x866e18
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x866e18}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd1ffb700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd1ffb700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736716584704, 
>                -8583870434171176742, 140737488344577, 4096, 140736716584704, 
>                140736716585408, 8583953998694824154, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 9 (Thread 0x7fffd27fc700 (LWP 3556)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x866d58, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x866d58)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x866cb8) at lp_rast.c:761
>        task = 0x866cb8
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x866cb8}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd27fc700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd27fc700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736724977408, 
>                -8583870434171176742, 140737488344577, 4096, 140736724977408, 
>                140736724978112, 8583952899720067290, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 8 (Thread 0x7fffd2ffd700 (LWP 3555)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x866bf8, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x866bf8)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x866b58) at lp_rast.c:761
>        task = 0x866b58
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x866b58}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd2ffd700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd2ffd700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736733370112, 
>                -8583870434171176742, 140737488344577, 4096, 140736733370112, 
>                140736733370816, 8583951798597826778, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 7 (Thread 0x7fffd37fe700 (LWP 3554)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x866a98, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x866a98)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x8669f8) at lp_rast.c:761
>        task = 0x8669f8
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x8669f8}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd37fe700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd37fe700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736741762816, 
>                -8583870434171176742, 140737488344577, 4096, 140736741762816, 
>                140736741763520, 8583950699623069914, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 6 (Thread 0x7fffd3fff700 (LWP 3553)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x866938, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x866938)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x866898) at lp_rast.c:761
>        task = 0x866898
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x866898}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd3fff700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd3fff700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736750155520, 
>                -8583870434171176742, 140737488344577, 4096, 140736750155520, 
>                140736750156224, 8583949598500829402, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 5 (Thread 0x7fffd8fc6700 (LWP 3552)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x8667d8, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x8667d8)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x866738) at lp_rast.c:761
>        task = 0x866738
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x866738}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd8fc6700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd8fc6700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736833808128, 
>                -8583870434171176742, 140737488344577, 4096, 140736833808128, 
>                140736833808832, 8583938583520327898, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 4 (Thread 0x7fffd97c7700 (LWP 3551)):
>#0  pthread_cond_wait@@GLIBC_2.3.2 ()
>    at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
>No locals.
>#1  0x00007fffdba0f243 in cnd_wait (mtx=0x866678, cond=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:154
>No locals.
>#2  pipe_semaphore_wait (sema=0x866678)
>    at ../../../../src/gallium/auxiliary/os/os_thread.h:248
>No locals.
>#3  thread_function (init_data=init_data@entry=0x8665d8) at lp_rast.c:761
>        task = 0x8665d8
>        rast = 0x8665c0
>        fpstate = <optimized out>
>#4  0x00007fffdba0eaa7 in impl_thrd_routine (p=<optimized out>)
>    at ../../../../include/c11/threads_posix.h:87
>        pack = {func = 0x7fffdba0f1e0 <thread_function>, arg = 0x8665d8}
>#5  0x00007ffff11fb52a in start_thread (arg=0x7fffd97c7700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffd97c7700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736842200832, 
>                -8583870434171176742, 140737488344577, 4096, 140736842200832, 
>                140736842201536, 8583937482398087386, 8583884454859487450}, 
>              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>
>#6  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 3 (Thread 0x7fffe1aea700 (LWP 3550)):
>#0  0x00007ffff0f2c1dd in poll () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x00007ffff1459e34 in g_main_context_poll (priority=2147483647, n_fds=1, 
>    fds=0x7fffd40010c0, timeout=-1, context=0x6a3fc0) at gmain.c:4076
>        poll_func = 0x7ffff1469230 <g_poll>
>#2  g_main_context_iterate (context=context@entry=0x6a3fc0, 
>    block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
>    at gmain.c:3776
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7fffd40010c0
>#3  0x00007ffff1459f4c in g_main_context_iteration (
>    context=context@entry=0x6a3fc0, may_block=may_block@entry=1)
>    at gmain.c:3842
>        retval = <optimized out>
>#4  0x00007fffe242f24d in dconf_gdbus_worker_thread (user_data=0x6a3fc0)
>    at dconf-gdbus-thread.c:82
>        context = 0x6a3fc0
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x66fd40) at gthread.c:764
>        thread = 0x66fd40
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffe1aea700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffe1aea700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736979707648, 
>                -8583870434171176742, 140737488344833, 4096, 140736979707648, 
>                140736979708352, 8583918120148646106, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 2 (Thread 0x7fffe2e35700 (LWP 3549)):
>#0  0x00007ffff0f2c1dd in poll () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x00007ffff1459e34 in g_main_context_poll (priority=2147483647, n_fds=3, 
>    fds=0x7fffdc0010e0, timeout=-1, context=0x68e310) at gmain.c:4076
>        poll_func = 0x7ffff1469230 <g_poll>
>#2  g_main_context_iterate (context=0x68e310, block=block@entry=1, 
>    dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3776
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 3
>        allocated_nfds = 3
>        fds = 0x7fffdc0010e0
>#3  0x00007ffff145a1c2 in g_main_loop_run (loop=0x68e2a0) at gmain.c:3975
>        __FUNCTION__ = "g_main_loop_run"
>#4  0x00007ffff1a74d56 in gdbus_shared_thread_func (user_data=0x68e2e0)
>    at gdbusprivate.c:273
>        data = 0x68e2e0
>#5  0x00007ffff1480745 in g_thread_proxy (data=0x66fb20) at gthread.c:764
>        thread = 0x66fb20
>#6  0x00007ffff11fb52a in start_thread (arg=0x7fffe2e35700)
>    at pthread_create.c:310
>        __res = <optimized out>
>        pd = 0x7fffe2e35700
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736999937792, 
>                -8583870434171176742, 140737488346369, 4096, 140736999937792, 
>                140736999938496, 8583916515441490138, 8583884454859487450}, 
>              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>
>#7  0x00007ffff0f3777d in clone ()
>    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
>No locals.
>
>Thread 1 (Thread 0x7ffff7f969c0 (LWP 3545)):
>#0  0x00007ffff0f2c1dd in poll () at ../sysdeps/unix/syscall-template.S:81
>No locals.
>#1  0x00007fffee596142 in poll (__timeout=-1, __nfds=1, __fds=0x7fffffffd650)
>    at /usr/include/bits/poll2.h:46
>No locals.
>#2  _xcb_conn_wait (c=c@entry=0x698670, cond=cond@entry=0x7fffffffd770, 
>    vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:447
>        ret = <optimized out>
>        fd = {fd = 9, events = 1, revents = 0}
>#3  0x00007fffee597a5f in wait_for_reply (c=0x698670, request=779, 
>    e=0x7fffffffd840) at xcb_in.c:490
>        cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, 
>            __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, 
>            __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, 
>          __align = 0}
>        reader = {request = 779, data = 0x7fffffffd770, next = 0x0}
>        ret = 0x0
>#4  0x00007fffee597b71 in xcb_wait_for_reply (c=0x7fffffffd650, 
>    c@entry=0x698670, request=1, e=0xffffffff, e@entry=0x7fffffffd840)
>    at xcb_in.c:520
>        ret = 0x30b
>#5  0x00007ffff3888387 in _XReply (dpy=dpy@entry=0x6bb700, 
>    rep=rep@entry=0x7fffffffd8b0, extra=extra@entry=0, discard=discard@entry=1)
>    at xcb_io.c:602
>        req = 0x171eec0
>        response = <optimized out>
>        error = 0x0
>        c = 0x698670
>        reply = <optimized out>
>        current = 0x15c9b00
>        __PRETTY_FUNCTION__ = "_XReply"
>#6  0x00007ffff386cd9e in XGetGeometry (dpy=0x6bb700, d=33554514, 
>    root=root@entry=0x7fffffffd950, x=0x7fffffffd980, y=0x7fffffffd984, 
>    width=width@entry=0x7fffffffd940, height=0x7fffffffd944, 
>    borderWidth=0x7fffffffd948, depth=0x7fffffffd94c) at GetGeom.c:47
>        rep = {type = 64 '@', depth = 0 '\000', sequenceNumber = 0, 
>          length = 0, root = 4294957644, x = 32767, y = 0, width = 1, 
>          height = 0, borderWidth = 1, pad1 = 0, pad2 = 3680848059, 
>          pad3 = 32767}
>        req = <optimized out>
>#7  0x00007fffec770065 in swrastGetDrawableInfo (draw=<optimized out>, 
>    x=<optimized out>, y=<optimized out>, w=0x83eb78, h=0x83eb7c, 
>    loaderPrivate=<optimized out>) at drisw_glx.c:108
>        pdp = <optimized out>
>        pdraw = <optimized out>
>        dpy = <optimized out>
>        drawable = <optimized out>
>        root = 1
>        uw = 10517256
>        uh = 0
>        bw = 3680688016
>        depth = 32767
>#8  0x00007fffdb704a27 in get_drawable_info (h=<optimized out>, 
>    w=<optimized out>, y=0x7fffffffd984, x=0x7fffffffd980, 
>    dPriv=<optimized out>) at drisw.c:59
>        sPriv = <optimized out>
>        loader = <optimized out>
>#9  drisw_update_drawable_info (drawable=<optimized out>) at drisw.c:104
>        dPriv = <optimized out>
>        x = 10517256
>        y = 0
>#10 0x00007fffdb703762 in dri_st_framebuffer_validate (stctx=<optimized out>, 
>    stfbi=<optimized out>, statts=0x131a890, count=2, out=0x7fffffffda50)
>    at dri_drawable.c:81
>        ctx = 0x7186d0
>        drawable = 0xd11a60
>        screen = 0x8aaed0
>        statt_mask = 18
>        new_mask = <optimized out>
>        new_stamp = <optimized out>
>        i = <optimized out>
>        lastStamp = 0
>        textures = 0xd11b68
>#11 0x00007fffdb649e0e in st_framebuffer_validate (stfb=0x131a440, 
>    st=st@entry=0x9d8b60) at ../../src/mesa/state_tracker/st_manager.c:200
>        textures = {0x15d8ef2, 0x7fffdb5d1238 <_mesa_update_texture+552>, 
>          0x1a2001401a20004, 0x1a2003401a20024, 0x1202280000, 0x109, 
>          0x1000000010}
>        width = <optimized out>
>        height = <optimized out>
>        i = <optimized out>
>        changed = 0 '\000'
>        new_stamp = 3
>#12 0x00007fffdb64b028 in st_manager_validate_framebuffers (
>    st=st@entry=0x9d8b60) at ../../src/mesa/state_tracker/st_manager.c:862
>        stdraw = 0x131a440
>        stread = 0x131a440
>#13 0x00007fffdb61a970 in st_validate_state (st=st@entry=0x9d8b60)
>    at ../../src/mesa/state_tracker/st_atom.c:180
>        state = 0x9d9b68
>#14 0x00007fffdb62208d in st_Clear (ctx=0x9ec420, mask=18)
>    at ../../src/mesa/state_tracker/st_cb_clear.c:449
>        st = 0x9d8b60
>        depthRb = 0x1317360
>        stencilRb = 0x1317360
>        quad_buffers = 0
>        clear_buffers = 0
>        i = <optimized out>
>#15 0x00007ffff5ef4b02 in cogl_framebuffer_clear4f (framebuffer=0xd10720, 
>    buffers=3, red=1, green=1, green@entry=0, blue=1, 
>    blue@entry=3.24886901e-38, alpha=1, alpha@entry=0)
>    at ./cogl-framebuffer.c:388
>        ctx = 0xa1c5f0
>        clip_stack = 0x0
>        scissor_x0 = 0
>        scissor_y0 = 0
>        scissor_x1 = 2147483647
>        scissor_y1 = 2147483647
>        saved_viewport_scissor_workaround = 0
>#16 0x00007ffff5ef4dd8 in cogl_framebuffer_clear (framebuffer=<optimized out>, 
>    buffers=<optimized out>, color=<optimized out>) at ./cogl-framebuffer.c:457
>No locals.
>#17 0x00007ffff65f2454 in clutter_root_node_pre_draw (node=<optimized out>)
>    at ./clutter-paint-nodes.c:116
>        rnode = <optimized out>
>#18 0x00007ffff65f4d34 in _clutter_paint_node_paint (node=0x130e2a0)
>    at ./clutter-paint-node.c:961
>        klass = 0x131b0b0
>        iter = <optimized out>
>        res = <optimized out>
>#19 0x00007ffff65f4d50 in _clutter_paint_node_paint (node=0x6849e0)
>    at ./clutter-paint-node.c:972
>        klass = 0x131d4c0
>        iter = 0x130e2a0
>        res = 1
>#20 0x00007ffff65a801f in clutter_actor_continue_paint (self=0xbb21e0)
>    at ./clutter-actor.c:3648
>        priv = <optimized out>
>        __FUNCTION__ = "clutter_actor_continue_paint"
>#21 0x00007ffff65adfec in clutter_actor_paint (self=self@entry=0xbb21e0)
>    at ./clutter-actor.c:3875
>No locals.
>#22 0x00007ffff6608688 in _clutter_stage_do_paint (stage=stage@entry=0xbb21e0, 
>    clip=clip@entry=0x0) at ./clutter-stage.c:688
>        priv = <optimized out>
>        clip_poly = {0, 0, 600, 0, 600, 445, 0, 445}
>        viewport = {0, 0, 600, 445}
>        geom = {x = 0, y = 0, width = 600, height = 445}
>        window_scale = <optimized out>
>#23 0x00007ffff65993c0 in clutter_stage_cogl_redraw (stage_window=0x6d95a0)
>    at cogl/clutter-stage-cogl.c:566
>        stage_cogl = 0x6d95a0
>        geom = {x = 0, y = 0, width = 600, height = 445}
>        have_clip = <optimized out>
>        may_use_clipped_redraw = <optimized out>
>        use_clipped_redraw = 0
>        can_blit_sub_buffer = <optimized out>
>        has_buffer_age = 0
>        wrapper = 0xbb21e0
>        clip_region = <optimized out>
>        force_swap = 0
>        window_scale = 1
>#24 0x00007ffff6606ec7 in clutter_stage_do_redraw (stage=0xbb21e0)
>    at ./clutter-stage.c:1201
>        backend = <optimized out>
>        actor = 0xbb21e0
>        priv = 0xbb1c00
>#25 _clutter_stage_do_update (stage=0xbb21e0) at ./clutter-stage.c:1259
>        priv = 0xbb1c00
>#26 0x00007ffff65ec9b1 in master_clock_update_stages (master_clock=0xcf3040, 
>    stages=0xbfad50) at ./clutter-master-clock.c:463
>        stages_updated = 0
>        l = 0xbfad50
>#27 clutter_clock_dispatch (source=<optimized out>, callback=<optimized out>, 
>    user_data=<optimized out>) at ./clutter-master-clock.c:595
>        clock_source = <optimized out>
>        master_clock = 0xcf3040
>        stages_updated = 0
>#28 0x00007ffff1459afb in g_main_dispatch (context=0x687450) at gmain.c:3111
>        dispatch = 0x7ffff65ec860 <clutter_clock_dispatch>
>        prev_source = 0x0
>        was_in_call = 0
>        user_data = 0x0
>        callback = 0x0
>        cb_funcs = 0x0
>        cb_data = 0x0
>        need_destroy = <optimized out>
>        source = 0xf9ea10
>        current = 0x68e540
>        i = 0
>#29 g_main_context_dispatch (context=context@entry=0x687450) at gmain.c:3710
>No locals.
>#30 0x00007ffff1459e98 in g_main_context_iterate (
>    context=context@entry=0x687450, block=block@entry=1, 
>    dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3781
>        max_priority = 150
>        timeout = 0
>        some_ready = 1
>        nfds = <optimized out>
>        allocated_nfds = 7
>        fds = 0xb60200
>#31 0x00007ffff1459f4c in g_main_context_iteration (context=0x687450, 
>    context@entry=0x0, may_block=may_block@entry=1) at gmain.c:3842
>        retval = <optimized out>
>#32 0x00007ffff1a3f07c in g_application_run (
>    application=application@entry=0x654100, argc=argc@entry=1, 
>    argv=argv@entry=0x7fffffffe298) at gapplication.c:2282
>        arguments = 0x656370
>        status = 0
>        __FUNCTION__ = "g_application_run"
>#33 0x0000000000413ed6 in _vala_main (args=0x7fffffffe298, args_length1=1)
>    at src/cheese-main.c:68
>        result = 0
>        _tmp0_ = 0x654100
>        _tmp1_ = 0x654100
>        _tmp2_ = 0x7fffffffe298
>        _tmp2__length1 = 1
>        _tmp3_ = 0
>        _tmp4_ = 0
>#34 0x00007ffff0e56fe0 in __libc_start_main (main=0x40ab00 <main>, argc=1, 
>    argv=0x7fffffffe298, init=<optimized out>, fini=<optimized out>, 
>    rtld_fini=<optimized out>, stack_end=0x7fffffffe288) at libc-start.c:289
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8583869878509782822, 
>                4238106, 140737488347792, 0, 0, 8583870433298725082, 
>                8583885745181145306}, mask_was_saved = 0}}, priv = {pad = {
>              0x0, 0x0, 0x417000 <__libc_csu_init>, 0x7fffffffe298}, data = {
>              prev = 0x0, cleanup = 0x0, canceltype = 4288512}}}
>        not_first_call = <optimized out>
>#35 0x000000000040ab43 in _start ()
>No symbol table info available.

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Attachments on bug 1121294: 919199 | 919200 | 919201 | 919202 | 919203 | 919204 | 919205 | 919206 | 919207 | 919208 | 919209 | 948140 | 948141