[Webkit-unassigned] [Bug 216777] REGRESSION(r267010) [GLIB] compositing/video/video-update-rendering.html is a flaky crash

Thu Sep 24 11:24:49 PDT 2020

https://bugs.webkit.org/show_bug.cgi?id=216777

--- Comment #4 from Lauro Moura <lmoura at igalia.com> ---
Created attachment 409606

  --> https://bugs.webkit.org/attachment.cgi?id=409606&action=review

crash log for imported/w3c/web-platform-tests/css/css-transitions/parsing/transition-delay-computed.html

imported/w3c/web-platform-tests/css/css-transitions/parsing/transition-delay-computed.html

Thread 1 (Thread 0x7f4e9f7fe700 (LWP 77960)):
#0  __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007f4fffd98855 in __GI_abort () at abort.c:79
#2  0x00007f4fffd98729 in __assert_fail_base (fmt=0x7f4ffff060e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7f4f518b7c10 "c != _SIMPLE_MTX_INVALID_VALUE", file=0x7f4f518b7caf "../src/util/simple_mtx.h", line=89, function=<optimized out>) at assert.c:92
#3  0x00007f4fffda7db6 in __GI___assert_fail (assertion=assertion at entry=0x7f4f518b7c10 "c != _SIMPLE_MTX_INVALID_VALUE", file=file at entry=0x7f4f518b7caf "../src/util/simple_mtx.h", line=line at entry=89, function=function at entry=0x7f4f518c4e90 <__PRETTY_FUNCTION__.11> "simple_mtx_lock") at assert.c:101
#4  0x00007f4f50a96a35 in simple_mtx_lock (mtx=0x7f4e8407b550) at ../src/util/simple_mtx.h:83
#5  0x00007f4f50a972fe in simple_mtx_lock (mtx=0x7f4e8407b550) at ../src/util/simple_mtx.h:94
#6  st_save_zombie_sampler_view (st=0x7f4e84079ce0, view=<optimized out>) at ../src/mesa/state_tracker/st_context.c:315
#7  0x00007f4f50a890bd in st_texture_release_all_sampler_views (st=st at entry=0x7f4e8c0843d0, stObj=stObj at entry=0x7f4e84081520) at ../src/mesa/state_tracker/st_sampler_view.c:233
#8  0x00007f4f50a897bf in st_texture_release_all_sampler_views (stObj=0x7f4e84081520, st=0x7f4e8c0843d0) at ../src/mesa/state_tracker/st_sampler_view.c:221
#9  st_delete_texture_sampler_views (st=st at entry=0x7f4e8c0843d0, stObj=stObj at entry=0x7f4e84081520) at ../src/mesa/state_tracker/st_sampler_view.c:253
#10 0x00007f4f50a786be in st_DeleteTextureObject (ctx=0x7f4e8c1f01b0, texObj=0x7f4e84081520) at ../src/mesa/state_tracker/st_cb_texture.c:193
#11 0x00007f4f50c3f670 in _mesa_reference_texobj_ (ptr=ptr at entry=0x7f4e8c203788, tex=tex at entry=0x0) at ../src/mesa/main/texobj.c:607
#12 0x00007f4f50c4a93d in _mesa_reference_texobj (tex=0x0, ptr=<optimized out>) at ../src/mesa/main/texobj.h:100
#13 _mesa_free_texture_data (ctx=ctx at entry=0x7f4e8c1f01b0) at ../src/mesa/main/texstate.c:1101
#14 0x00007f4f50b2ee57 in _mesa_free_context_data (ctx=ctx at entry=0x7f4e8c1f01b0, destroy_debug_output=destroy_debug_output at entry=false) at ../src/mesa/main/context.c:1358
#15 0x00007f4f50a98563 in st_destroy_context (st=0x7f4e8c0843d0) at ../src/mesa/state_tracker/st_context.c:1112
#16 0x00007f4f50a74d82 in dri_destroy_context (cPriv=<optimized out>) at ../src/gallium/state_trackers/dri/dri_context.c:247
#17 0x00007f4f50fa6277 in driDestroyContext (pcp=0x7f4e8c003400) at ../src/mesa/drivers/dri/common/dri_util.c:528
#18 0x00007f4fac444343 in drisw_destroy_context (context=0x7f4e8c003270) at ../src/glx/drisw_glx.c:376
#19 0x00007f4fac446789 in glXDestroyContext (ctx=0x7f4e8c003270, dpy=0x11a1da0) at ../src/glx/glxcmds.c:511
#20 glXDestroyContext (dpy=0x11a1da0, ctx=0x7f4e8c003270) at ../src/glx/glxcmds.c:492
#21 0x00007f500985846b in WebCore::GLContextGLX::~GLContextGLX() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#22 0x00007f50098584e9 in WebCore::GLContextGLX::~GLContextGLX() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#23 0x00007f500808c378 in WTF::Detail::CallableWrapper<WebKit::ThreadedCompositor::invalidate()::$_8, void>::call() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#24 0x00007f500808c085 in WTF::Detail::CallableWrapper<WebKit::CompositingRunLoop::performTaskSync(WTF::Function<void ()>&&)::$_5, void>::call() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#25 0x00007f5005768756 in WTF::RunLoop::performWork() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#26 0x00007f50057c0636 in WTF::RunLoop::RunLoop()::$_1::__invoke(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#27 0x00007f50057bfb2a in WTF::RunLoop::$_0::__invoke(_GSource*, int (*)(void*), void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#28 0x00007f500120804f in g_main_dispatch (context=0x7f4e8c000b60) at ../glib/gmain.c:3325
#29 g_main_context_dispatch (context=0x7f4e8c000b60) at ../glib/gmain.c:4016
#30 0x00007f50012083f8 in g_main_context_iterate (context=0x7f4e8c000b60, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4092
#31 0x00007f5001208713 in g_main_loop_run (loop=0x7f4e8c001d40) at ../glib/gmain.c:4290
#32 0x00007f50057c00cb in WTF::RunLoop::run() () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#33 0x00007f500576a510 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#34 0x00007f50057c2866 in WTF::wtfThreadEntryPoint(void*) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#35 0x00007f50022fc4d2 in start_thread (arg=<optimized out>) at pthread_create.c:477
#36 0x00007f4fffe744d3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

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