When viewing this image http://upload.wikimedia.org/wikipedia/commons/7/7a/Sishen_Salndanha_Iron_Ore_Train.jpg (in full resultion, not in the scaled-down variant) using Firefox and scrolling to the right and left, large black spaces appear instead of the image. The X server is: X.Org X Server 1.9.3 Release Date: 2010-12-13 The intel driver is: [ 321.152] (II) LoadModule: "intel" [ 321.153] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so [ 321.198] (II) Module intel: vendor="X.Org Foundation" [ 321.198] compiled for 1.9.3, module version = 2.15.0 [ 321.198] Module class: X.Org Video Driver [ 321.199] ABI class: X.Org Video Driver, version 8.0 on an Arrandale integrated chipset. More Xorg.0.log excerpts: [ 321.996] (II) intel(0): [DRI2] Setup complete [ 321.996] (II) intel(0): [DRI2] DRI driver: i965 [ 321.996] (II) intel(0): Allocated new frame buffer 1920x1080 stride 7680, tiled [ 322.046] (II) UXA(0): Driver registered support for the following operations: [ 322.046] (II) solid [ 322.046] (II) copy [ 322.046] (II) composite (RENDER acceleration) [ 322.046] (II) put_image [ 322.046] (II) get_image [ 322.046] (==) intel(0): Backing store disabled [ 322.046] (==) intel(0): Silken mouse enabled [ 322.046] (II) intel(0): Initializing HW Cursor [ 322.116] (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message. [ 322.125] (**) intel(0): DPMS enabled [ 322.125] (==) intel(0): Intel XvMC decoder enabled [ 322.125] (EE) v4l: /dev/video0: no overlay support [ 322.125] (II) intel(0): Set up textured video [ 322.125] (II) intel(0): [XvMC] xvmc_vld driver initialized. [ 322.125] (II) intel(0): direct rendering: DRI2 Enabled [ 322.125] (WW) intel(0): Option "CalcAlgorithm" is not used [ 322.125] (WW) intel(0): Option "DPI" is not used [ 322.125] (==) intel(0): hotplug detection: "enabled" [ 322.126] (--) RandR disabled
Works fine on this Arrandale using SNA and firefox 5. Out of curiosity, since SNA here isn't using sw fallbacks for that image, can you please try enabling SNA.(Grab xf86-video-intel from git and ./configure --enable-sna).
Can't reproduce either. Arrandale. Tried with a 1920x1080 VGA screen also. But my xorg and xf86-video-intel are newer (and probably Kernel).
Forward duping as bug 43075 contains some useful analysis. *** This bug has been marked as a duplicate of bug 43075 ***
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