#0  magazine_chain_pop_head (magazine_chunks=0x7f58240009d0) at /build/buildd/glib2.0-2.39.91/./glib/gslice.c:539
  [Error: /build/buildd/glib2.0-2.39.91/./glib/gslice.c was not found in source tree]
#1  thread_memory_magazine1_alloc (tmem=<optimized out>, ix=16) at /build/buildd/glib2.0-2.39.91/./glib/gslice.c:842
  [Error: /build/buildd/glib2.0-2.39.91/./glib/gslice.c was not found in source tree]
#2  g_slice_alloc (mem_size=mem_size@entry=264) at /build/buildd/glib2.0-2.39.91/./glib/gslice.c:998
  [Error: /build/buildd/glib2.0-2.39.91/./glib/gslice.c was not found in source tree]
#3  0x00007f585197d76e in g_slice_alloc0 (mem_size=mem_size@entry=264) at /build/buildd/glib2.0-2.39.91/./glib/gslice.c:1032
  [Error: /build/buildd/glib2.0-2.39.91/./glib/gslice.c was not found in source tree]
#4  0x00007f58454a8706 in gst_video_decoder_new_frame (decoder=decoder@entry=0x7f58240652d0) at gstvideodecoder.c:2156
  [Error: gstvideodecoder.c was not found in source tree]
#5  0x00007f58454a8f98 in gst_video_decoder_chain_forward (decoder=decoder@entry=0x7f58240652d0, buf=buf@entry=0x7f582c79c230, at_eos=at_eos@entry=0) at gstvideodecoder.c:1739
  [Error: gstvideodecoder.c was not found in source tree]
#6  0x00007f58454aaf6d in gst_video_decoder_chain (pad=<optimized out>, parent=0x7f58240652d0, buf=0x7f582c79c230) at gstvideodecoder.c:2037
  [Error: gstvideodecoder.c was not found in source tree]
#7  0x00007f5851ed2ce8 in gst_pad_chain_data_unchecked (data=0x7f582c79c230, type=<optimized out>, pad=0x7f5824066070) at gstpad.c:3760
  [Error: gstpad.c was not found in source tree]
#8  gst_pad_push_data (pad=0x7f582c017450, type=type@entry=4112, data=<optimized out>) at gstpad.c:3990
  [Error: gstpad.c was not found in source tree]
#9  0x00007f5851ed9996 in gst_pad_push (pad=<optimized out>, buffer=<optimized out>) at gstpad.c:4093
  [Error: gstpad.c was not found in source tree]
#10 0x00007f584c22e299 in gst_base_transform_chain (pad=<optimized out>, parent=0x7f582c02a140, buffer=<optimized out>) at gstbasetransform.c:2237
  [Error: gstbasetransform.c was not found in source tree]
#11 0x00007f5851ed2ce8 in gst_pad_chain_data_unchecked (data=0x7f582c79c230, type=<optimized out>, pad=0x7f582c017220) at gstpad.c:3760
  [Error: gstpad.c was not found in source tree]
#12 gst_pad_push_data (pad=0x7f582c016ff0, type=type@entry=4112, data=<optimized out>, data@entry=0x7f582c79c230) at gstpad.c:3990
  [Error: gstpad.c was not found in source tree]
#13 0x00007f5851ed9996 in gst_pad_push (pad=<optimized out>, buffer=buffer@entry=0x7f582c79c230) at gstpad.c:4093
  [Error: gstpad.c was not found in source tree]
#14 0x00007f584c210b09 in gst_base_parse_push_frame (parse=parse@entry=0x7f582c025980, frame=frame@entry=0x7f583e3cf970) at gstbaseparse.c:2299
  [Error: gstbaseparse.c was not found in source tree]
#15 0x00007f584c211510 in gst_base_parse_chain (pad=<optimized out>, parent=0x7f582c025980, buffer=0x7f582c79c230) at gstbaseparse.c:2805
  [Error: gstbaseparse.c was not found in source tree]
#16 0x00007f5851ed2ce8 in gst_pad_chain_data_unchecked (data=0x7f582c79c230, type=<optimized out>, pad=0x7f582c016dc0) at gstpad.c:3760
  [Error: gstpad.c was not found in source tree]
#17 gst_pad_push_data (pad=0x7f582c016b90, type=type@entry=4112, data=<optimized out>, data@entry=0x7f582c79c230) at gstpad.c:3990
  [Error: gstpad.c was not found in source tree]
#18 0x00007f5851ed9996 in gst_pad_push (pad=<optimized out>, buffer=buffer@entry=0x7f582c79c230) at gstpad.c:4093
  [Error: gstpad.c was not found in source tree]
#19 0x00007f5844fe3a23 in gst_single_queue_push_one (object=0x7f582c79c230, sq=0x7f582c022e60, mq=0x7f583800b680) at gstmultiqueue.c:1089
  [Error: gstmultiqueue.c was not found in source tree]
#20 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1338
  [Error: gstmultiqueue.c was not found in source tree]
#21 0x00007f5851f004e9 in gst_task_func (task=0x7f5854720cb0) at gsttask.c:316
  [Error: gsttask.c was not found in source tree]
#22 0x00007f585198789c in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.39.91/./glib/gthreadpool.c:307
  [Error: /build/buildd/glib2.0-2.39.91/./glib/gthreadpool.c was not found in source tree]
#23 0x00007f5851986f15 in g_thread_proxy (data=0x7f582c0138f0) at /build/buildd/glib2.0-2.39.91/./glib/gthread.c:764
  [Error: /build/buildd/glib2.0-2.39.91/./glib/gthread.c was not found in source tree]
#24 0x00007f58513fd182 in start_thread (arg=0x7f583e3d0700) at pthread_create.c:312
  [Error: pthread_create.c was not found in source tree]
#25 0x00007f585112a12d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]