imported/w3c/web-platform-tests/media-source/mediasource-removesourcebuffer.html sometimes crashes in _gl_memory_upload_propose_allocation: Thread 1 (Thread 0x2b92c5420700 (LWP 8008)): #0 0x00002b90e99873cc in _gl_memory_upload_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglupload.c:372 #1 0x00002b90e9987edc in gst_gl_upload_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglupload.c:1353 #2 0x00002b913f31e1b2 in _gst_gl_upload_element_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/ext/gl/gstgluploadelement.c:181 #3 0x00002b90e96a9811 in gst_base_transform_default_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1538 #4 0x00002b90e997d16e in gst_gl_base_filter_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglbasefilter.c:287 #5 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #6 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #7 0x00002b90e974d946 in query_forward_func () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3315 #8 0x00002b90e974b7ee in gst_pad_forward () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:2944 #9 0x00002b90e974ba43 in gst_pad_query_default () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3382 #10 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #11 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #12 0x00002b90e974d946 in query_forward_func () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3315 #13 0x00002b90e974b7ee in gst_pad_forward () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:2944 #14 0x00002b90e974ba43 in gst_pad_query_default () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3382 #15 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #16 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #17 0x00002b90e974d946 in query_forward_func () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3315 #18 0x00002b90e974b7ee in gst_pad_forward () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:2944 #19 0x00002b90e974ba43 in gst_pad_query_default () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3382 #20 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #21 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #22 0x00002b90e96a67d2 in gst_base_transform_default_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1438 #23 0x00002b90e99124b7 in gst_video_filter_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.10.5/gst-libs/gst/video/gstvideofilter.c:64 #24 0x00002b90e96a9811 in gst_base_transform_default_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1538 #25 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #26 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #27 0x00002b90e96a67d2 in gst_base_transform_default_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1438 #28 0x00002b90e99124b7 in gst_video_filter_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.10.5/gst-libs/gst/video/gstvideofilter.c:64 #29 0x00002b90e96a9811 in gst_base_transform_default_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1538 #30 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #31 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #32 0x00002b90e96a67d2 in gst_base_transform_default_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1438 #33 0x00002b90e99124b7 in gst_video_filter_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.10.5/gst-libs/gst/video/gstvideofilter.c:64 #34 0x00002b90e96a9811 in gst_base_transform_default_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1538 #35 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #36 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #37 0x00002b90e96a67d2 in gst_base_transform_default_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1438 #38 0x00002b90e99124b7 in gst_video_filter_propose_allocation () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.10.5/gst-libs/gst/video/gstvideofilter.c:64 #39 0x00002b90e96a9811 in gst_base_transform_default_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/libs/gst/base/gstbasetransform.c:1538 #40 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #41 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #42 0x00002b90e974d946 in query_forward_func () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3315 #43 0x00002b90e974b7ee in gst_pad_forward () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:2944 #44 0x00002b90e974ba43 in gst_pad_query_default () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3382 #45 0x00002b913f162a9e in gst_play_sink_convert_bin_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-base-1.10.5/gst/playback/gstplaysinkconvertbin.c:525 #46 0x00002b90e974cbf8 in gst_pad_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:3947 #47 0x00002b90e974d1d1 in gst_pad_peer_query () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstpad.c:4079 #48 0x00002b913f1b9f2c in gst_queue_push_one () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/plugins/elements/gstqueue.c:1445 #49 gst_queue_loop () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/plugins/elements/gstqueue.c:1508 #50 0x00002b90e9779981 in gst_task_func () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gsttask.c:334 #51 0x00002b90ea789cee in g_thread_pool_thread_proxy () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gthreadpool.c:307 #52 0x00002b90ea789315 in g_thread_proxy () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gthread.c:784 #53 0x00002b90edb3a494 in start_thread (arg=0x2b92c5420700) at pthread_create.c:333 #54 0x00002b90eed1693f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97 There is a refcounting bug: STDERR: (WebKitWebProcess:851): GStreamer-CRITICAL **: gst_object_ref: assertion 'object != NULL' failed
Looks a lot like a duplicate. *** This bug has been marked as a duplicate of bug 194044 ***