Added fix for mozbz#1702606 / rhbz#1936071, Switched tests back to X11 due to massive failures

firefox.spec

@@ -22,9 +22,6 @@
 %global build_with_asan   0
 %global test_offscreen    1
 %global test_on_wayland   0
-%if 0%{?fedora} > 32
-%global test_on_wayland   1
-%endif
 
 # There are still build problems on s390x, see
 # https://koji.fedoraproject.org/koji/taskinfo?taskID=55048351
@@ -163,7 +160,7 @@ ExcludeArch: armv7hl
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        87.0
-Release:        8%{?pre_tag}%{?dist}
+Release:        9%{?pre_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@@ -244,6 +241,7 @@ Patch407:        mozilla-1667096.patch
 Patch408:        mozilla-1663844.patch
 Patch415:        mozilla-1670333.patch
 Patch416:        mozilla-1693472.patch
+Patch417:        mozilla-1702606.patch
 
 # PGO/LTO patches
 Patch600:        pgo.patch
@@ -494,6 +492,7 @@ This package contains results of tests executed during build.
 %patch408 -p1 -b .1663844
 %patch415 -p1 -b .1670333
 %patch416 -p1 -b .1693472
+%patch417 -p1 -b .1702606
 
 # PGO patches
 %if %{build_with_pgo}
@@ -1063,6 +1062,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Thu Apr 1 2021 Martin Stransky <stransky@redhat.com> - 87.0-9
+- Added fix for mozbz#1702606 / rhbz#1936071
+- Switched tests back to X11 due to massive failures.
+
 * Thu Apr 1 2021 Martin Stransky <stransky@redhat.com> - 87.0-8
 - Run testsuite on Wayland on Fedora 33+
 - Spec cleanup

mozilla-1702606.patch

@@ -0,0 +1,41 @@
+changeset:   576316:5310862f0f2a
+tag:         tip
+parent:      576314:6159d3fc46c6
+user:        stransky <stransky@redhat.com>
+date:        Thu Apr 01 20:02:47 2021 +0200
+files:       widget/gtk/WindowSurfaceWayland.cpp widget/gtk/nsWaylandDisplay.cpp
+description:
+Bug 1702606 [Wayland] Don't call mWaylandDisplay::WaitForSyncEnd() from Compositor/Render thread, r?rmader
+
+Differential Revision: https://phabricator.services.mozilla.com/D110590
+
+
+diff --git a/widget/gtk/WindowSurfaceWayland.cpp b/widget/gtk/WindowSurfaceWayland.cpp
+--- a/widget/gtk/WindowSurfaceWayland.cpp
++++ b/widget/gtk/WindowSurfaceWayland.cpp
+@@ -737,10 +737,6 @@ already_AddRefed<gfx::DrawTarget> Window
+     return nullptr;
+   }
+ 
+-  // Wait until all pending events are processed. There may be queued
+-  // wl_buffer release event which releases our wl_buffer for further rendering.
+-  mWaylandDisplay->WaitForSyncEnd();
+-
+   // Lock the surface *after* WaitForSyncEnd() call as is can fire
+   // FlushPendingCommits().
+   MutexAutoLock lock(mSurfaceLock);
+diff --git a/widget/gtk/nsWaylandDisplay.cpp b/widget/gtk/nsWaylandDisplay.cpp
+--- a/widget/gtk/nsWaylandDisplay.cpp
++++ b/widget/gtk/nsWaylandDisplay.cpp
+@@ -239,6 +239,10 @@ void nsWaylandDisplay::QueueSyncBegin() 
+ }
+ 
+ void nsWaylandDisplay::WaitForSyncEnd() {
++  MOZ_RELEASE_ASSERT(
++      NS_IsMainThread(),
++      "nsWaylandDisplay::WaitForSyncEnd() can be called in main thread only!");
++
+   // We're done here
+   if (!mSyncCallback) {
+     return;
+