<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>175877</bug_id>
          
          <creation_ts>2017-08-23 00:57:17 -0700</creation_ts>
          <short_desc>[GTK] Intermittent crash in video-concurrent-visible-playback.html (mesa)</short_desc>
          <delta_ts>2021-03-26 07:13:04 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebKitGTK</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WORKSFORME</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=171844</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Ms2ger (he/him; ⌚ UTC+1/+2)">Ms2ger</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>bugs-noreply</cc>
    
    <cc>calvaris</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1341475</commentid>
    <comment_count>0</comment_count>
    <who name="Ms2ger (he/him; ⌚ UTC+1/+2)">Ms2ger</who>
    <bug_when>2017-08-23 00:57:17 -0700</bug_when>
    <thetext>media/video-concurrent-visible-playback.html

Stack 1:


#0  0x00002ba62015fdda in detach_shader () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderapi.c:398
#1  0x00002ba59e0c0ab3 in gst_gl_shader_detach_unlocked () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglshader.c:469
#2  0x00002ba59e0c175f in gst_gl_shader_release_unlocked () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglshader.c:738
#3  0x00002ba59e0c17cf in _cleanup_shader () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglshader.c:103
#4  0x00002ba59e0b3990 in gst_gl_context_thread_add () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcontext.c:1537
#5  0x00002ba59e0c0514 in gst_gl_shader_finalize () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglshader.c:128
#6  0x00002ba59ee1b02a in g_object_unref () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gobject.c:3185
#7  0x00002ba59e0c8379 in _create_shader () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcolorconvert.c:1950
#8  _init_convert () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcolorconvert.c:2028
#9  _do_convert () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcolorconvert.c:2368
#10 0x00002ba59e0cb683 in _run_message_sync () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglwindow.c:601
#11 0x00002ba59e0cb622 in _run_message_async () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglwindow.c:668
#12 0x00002ba59eea55ca in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3212
#13 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3865
#14 0x00002ba59eea5948 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3938
#15 0x00002ba59eea5c62 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:4134
#16 0x00002ba59e0cb6f5 in gst_gl_window_default_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglwindow.c:527
#17 0x00002ba59e0b495c in gst_gl_context_create_thread () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcontext.c:1273
#18 0x00002ba59eecc315 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
#19 0x00002ba5a2585494 in start_thread (arg=0x2ba6e7e1e700) at pthread_create.c:333
#20 0x00002ba5a376193f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97



Stack 2:


#0  _mesa_reference_shader () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderobj.c:76
#1  0x00002aed10164eef in _mesa_free_shader_program_data () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderobj.c:359
#2  0x00002aed10164fa9 in _mesa_delete_shader_program () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderobj.c:394
#3  0x00002aed10164ce6 in _mesa_reference_shader_program_ () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderobj.c:221
#4  0x00002aed1015fa27 in _mesa_reference_shader_program () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderobj.h:75
#5  delete_shader_program () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/mesa/main/shaderapi.c:361
#6  0x00002aec8b8127e5 in _cleanup_shader () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglshader.c:109
#7  0x00002aec8b804990 in gst_gl_context_thread_add () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcontext.c:1537
#8  0x00002aec8b811514 in gst_gl_shader_finalize () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglshader.c:128
#9  0x00002aec8c56c02a in g_object_unref () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gobject.c:3185
#10 0x00002aec8b819379 in _create_shader () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcolorconvert.c:1950
#11 _init_convert () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcolorconvert.c:2028
#12 _do_convert () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcolorconvert.c:2368
#13 0x00002aec8b81c683 in _run_message_sync () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglwindow.c:601
#14 0x00002aec8b81c622 in _run_message_async () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglwindow.c:668
#15 0x00002aec8c5f65ca in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3212
#16 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3865
#17 0x00002aec8c5f6948 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3938
#18 0x00002aec8c5f6c62 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:4134
#19 0x00002aec8b81c6f5 in gst_gl_window_default_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglwindow.c:527
#20 0x00002aec8b80595c in gst_gl_context_create_thread () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gst-plugins-bad-1.10.5/gst-libs/gst/gl/gstglcontext.c:1273
#21 0x00002aec8c61d315 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
#22 0x00002aec8fcd6494 in start_thread (arg=0x2aee8cf25700) at pthread_create.c:333
#23 0x00002aec90eb293f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1743313</commentid>
    <comment_count>1</comment_count>
    <who name="Xabier Rodríguez Calvar">calvaris</who>
    <bug_when>2021-03-24 07:43:32 -0700</bug_when>
    <thetext>This seems to be working in the bots and I can&apos;t repro it either.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>