[Bug 81623] New: Intel DRI3 driver hangs WebKitGTK

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81623

          Priority: medium
            Bug ID: 81623
          Assignee: idr at freedesktop.org
           Summary: Intel DRI3 driver hangs WebKitGTK
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: bugzilla at hadess.net
          Hardware: Other
            Status: NEW
           Version: 10.2
         Component: Drivers/DRI/i965
           Product: Mesa

Using the development version of Fedora 21, I can see Epiphany (GNOME's
WebKitGTK based browser) hang whenever a video is supposed to be presented
on-screen.

Running:
LIBGL_DRI3_DISABLE=1 epiphany
works around the problem.

mesa-dri-drivers-10.2.3-1.20140711.fc21.x86_64
kernel-3.16.0-0.rc5.git1.2.fc22.x86_64

Backtrace of the hang:

#0  0x00007f6143b23a1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f613bbd7142 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f613bbd8609 in xcb_wait_for_special_event () at /lib64/libxcb.so.1
#3  0x00007f613f9582a4 in dri3_find_back () at /lib64/libGL.so.1
#4  0x00007f613f9588a5 in dri3_get_buffer.isra () at /lib64/libGL.so.1
#5  0x00007f613f959295 in dri3_get_buffers () at /lib64/libGL.so.1
#6  0x00007f608262daf7 in intel_update_renderbuffers () at
/usr/lib64/dri/i965_dri.so
#7  0x00007f608262de25 in intel_prepare_render () at /usr/lib64/dri/i965_dri.so
#8  0x00007f6082632000 in brw_draw_prims () at /usr/lib64/dri/i965_dri.so
#9  0x00007f608248c59e in vbo_draw_arrays () at /usr/lib64/dri/i965_dri.so
#10 0x00007f6148c23cda in
WebCore::TextureMapperGL::drawUnitRect(WebCore::TextureMapperShaderProgram*,
unsigned int) (this=this at entry=0x7f60a0e41240, program=program at entry=
    0x7f6082b45b00, drawingMode=drawingMode at entry=6) at
Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:634
#11 0x00007f6148c240a2 in WebCore::TextureMapperGL::draw(WebCore::FloatRect
const&, WebCore::TransformationMatrix const&,
WebCore::TextureMapperShaderProgram*, unsigned int, int)
(this=this at entry=0x7f60a0e41240, rect=..., modelViewMatrix=...,
shaderProgram=shaderProgram at entry=0x7f6082b45b00,
drawingMode=drawingMode at entry=6, flags=1) at
Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:661
#12 0x00007f6148c24fb8 in
WebCore::TextureMapperGL::drawTexturedQuadWithProgram(WebCore::TextureMapperShaderProgram*,
unsigned int, int, WebCore::IntSize const&, WebCore::FloatRect const&,
WebCore::TransformationMatrix const&, float) (this=this at entry=0x7f60a0e41240,
program=program at entry=0x7f6082b45b00, texture=texture at entry=1, flags=<optimized
out>, 
    flags at entry=1, size=..., rect=..., modelViewMatrix=...,
opacity=opacity at entry=1) at
Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:694
#13 0x00007f6148c255d3 in WebCore::TextureMapperGL::drawTexture(unsigned int,
int, WebCore::IntSize const&, WebCore::FloatRect const&,
WebCore::TransformationMatrix const&, float, unsigned int)
(this=this at entry=0x7f60a0e41240, texture=<optimized out>, flags=<optimized
out>, flags at entry=1, textureSize=..., targetRect=..., modelViewMatrix=...,
opacity=opacity at entry=1, exposedEdges=15)
    at Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:574
#14 0x00007f6148c1ff36 in
WebCore::TextureMapperGL::drawTexture(WebCore::BitmapTexture const&,
WebCore::FloatRect const&, WebCore::TransformationMatrix const&, float,
unsigned int) (this=0x7f60a0e41240, texture=..., targetRect=..., matrix=...,
opacity=1, exposedEdges=15) at
Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:530
#15 0x00007f6148c37e84 in
WebCore::TextureMapperTile::paint(WebCore::TextureMapper*,
WebCore::TransformationMatrix const&, float, unsigned int) (this=<optimized
out>, textureMapper=0x7f60a0e41240, transform=..., opacity=<optimized out>,
exposedEdges=15) at
Source/WebCore/platform/graphics/texmap/TextureMapperTile.cpp:75
#16 0x00007f6148c395d9 in
WebCore::TextureMapperTiledBackingStore::paintToTextureMapper(WebCore::TextureMapper*,
WebCore::FloatRect const&, WebCore::TransformationMatrix const&, float)
(this=0x7f6082bb96c8, textureMapper=0x7f60a0e41240, targetRect=...,
transform=..., opacity=1) at
Source/WebCore/platform/graphics/texmap/TextureMapperTiledBackingStore.cpp:55
#17 0x00007f6148c32ece in
WebCore::TextureMapperLayer::paintSelf(WebCore::TextureMapperPaintOptions
const&) (this=this at entry=0x7f6092e71a00, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:139
#18 0x00007f6148c36f92 in
WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions
const&) (this=0x7f6092e71a00, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:176
#19 0x00007f6148c3715c in
WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions
const&) (this=0x7f6092e71a00, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:231
#20 0x00007f6148c36bbd in
WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions
const&) (this=0x7f6092e71a00, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:455
#21 0x00007f6148c36f0d in
WebCore::TextureMapperLayer::paintSelfAndChildren(WebCore::TextureMapperPaintOptions
const&) (this=0x7f60c4d5c500, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:191
#22 0x00007f6148c3715c in
WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica(WebCore::TextureMapperPaintOptions
const&) (this=0x7f60c4d5c500, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:231
#23 0x00007f6148c36bbd in
WebCore::TextureMapperLayer::paintRecursive(WebCore::TextureMapperPaintOptions
const&) (this=this at entry=0x7f60c4d5c500, options=...)
    at Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:455
#24 0x00007f6148c36ce6 in WebCore::TextureMapperLayer::paint()
(this=0x7f60c4d5c500) at
Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:92
#25 0x00007f6148252f57 in
WebKit::LayerTreeHostGtk::compositeLayersToContext(WebKit::LayerTreeHostGtk::CompositePurpose)
(this=this at entry=
    0x7f6092ed5528,
purpose=purpose at entry=WebKit::LayerTreeHostGtk::NotForResize) at
Source/WebKit2/WebProcess/WebPage/gtk/LayerTreeHostGtk.cpp:341
#26 0x00007f6148253451 in WebKit::LayerTreeHostGtk::flushAndRenderLayers()
(this=0x7f6092ed5528) at
Source/WebKit2/WebProcess/WebPage/gtk/LayerTreeHostGtk.cpp:366
#27 0x00007f6148253566 in WebKit::LayerTreeHostGtk::layerFlushTimerFired()
(this=0x7f6092ed5528) at
Source/WebKit2/WebProcess/WebPage/gtk/LayerTreeHostGtk.cpp:301

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