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------------------------------------------------------------------------
On 2012-02-24T00:27:21+00:00 Christopher M. Penalver wrote:

Following: http://intellinuxgraphics.org/how_to_report_bug.html

System environment:
-- chipset: (e.g. G965)
i915

-- system architecture: ("uname -m")
i686

-- xf86-video-intel/xserver/mesa/libdrm version: (If it's built by yourself, 
provide the git commit id or stable release version. If it's shipped with 
distribution, provide libdrm version with "pkg-config --modversion libdrm":
pkg-config --modversion libdrm
Package libdrm was not found in the pkg-config search path.
Perhaps you should add the directory containing `libdrm.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libdrm' found

and mesa version with glxinfo:
glxinfo
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 
    GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_INTEL_swap_event
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_framebuffer_sRGB, 
    GLX_MESA_copy_sub_buffer, GLX_MESA_multithread_makecurrent, 
    GLX_MESA_swap_control, GLX_OML_swap_method, GLX_OML_sync_control, 
    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap, 
    GLX_INTEL_swap_event
GLX version: 1.4
GLX extensions:
    GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, 
    GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control, 
    GLX_OML_swap_method, GLX_OML_sync_control, GLX_SGI_make_current_read, 
    GLX_SGI_swap_control, GLX_SGI_video_sync, GLX_SGIS_multisample, 
    GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 
    GLX_EXT_texture_from_pixmap, GLX_INTEL_swap_event
OpenGL vendor string: Tungsten Graphics, Inc
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile x86/MMX/SSE2
OpenGL version string: 2.1 Mesa 7.11
OpenGL shading language version string: 1.20
OpenGL extensions:
    GL_ARB_multisample, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color, 
    GL_EXT_blend_logic_op, GL_EXT_blend_minmax, GL_EXT_blend_subtract, 
    GL_EXT_copy_texture, GL_EXT_polygon_offset, GL_EXT_subtexture, 
    GL_EXT_texture_object, GL_EXT_vertex_array, GL_EXT_compiled_vertex_array, 
    GL_EXT_texture, GL_EXT_texture3D, GL_IBM_rasterpos_clip, 
    GL_ARB_point_parameters, GL_EXT_draw_range_elements, GL_EXT_packed_pixels, 
    GL_EXT_point_parameters, GL_EXT_rescale_normal, 
    GL_EXT_separate_specular_color, GL_EXT_texture_edge_clamp, 
    GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, 
    GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_ARB_framebuffer_sRGB, 
    GL_ARB_multitexture, GL_EXT_framebuffer_sRGB, 
    GL_IBM_multimode_draw_arrays, GL_IBM_texture_mirrored_repeat, 
    GL_3DFX_texture_compression_FXT1, GL_ARB_texture_cube_map, 
    GL_ARB_texture_env_add, GL_ARB_transpose_matrix, 
    GL_EXT_blend_func_separate, GL_EXT_fog_coord, GL_EXT_multi_draw_arrays, 
    GL_EXT_secondary_color, GL_EXT_texture_env_add, 
    GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod_bias, 
    GL_INGR_blend_func_separate, GL_NV_blend_square, GL_NV_light_max_exponent, 
    GL_NV_texgen_reflection, GL_NV_texture_env_combine4, 
    GL_SUN_multi_draw_arrays, GL_ARB_texture_border_clamp, 
    GL_ARB_texture_compression, GL_EXT_framebuffer_object, 
    GL_EXT_texture_env_dot3, GL_MESA_window_pos, GL_NV_packed_depth_stencil, 
    GL_NV_texture_rectangle, GL_NV_vertex_program, GL_ARB_depth_texture, 
    GL_ARB_occlusion_query, GL_ARB_shadow, GL_ARB_texture_env_combine, 
    GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3, 
    GL_ARB_texture_mirrored_repeat, GL_ARB_window_pos, GL_ATI_envmap_bumpmap, 
    GL_EXT_stencil_two_side, GL_EXT_texture_cube_map, GL_NV_depth_clamp, 
    GL_NV_vertex_program1_1, GL_APPLE_client_storage, GL_APPLE_packed_pixels, 
    GL_APPLE_vertex_array_object, GL_ARB_draw_buffers, 
    GL_ARB_fragment_program, GL_ARB_fragment_shader, GL_ARB_shader_objects, 
    GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ATI_draw_buffers, 
    GL_ATI_texture_env_combine3, GL_EXT_shadow_funcs, GL_EXT_stencil_wrap, 
    GL_MESA_pack_invert, GL_MESA_ycbcr_texture, GL_ARB_depth_clamp, 
    GL_ARB_fragment_program_shadow, GL_ARB_half_float_pixel, 
    GL_ARB_point_sprite, GL_ARB_shading_language_100, GL_ARB_sync, 
    GL_ARB_texture_non_power_of_two, GL_ARB_vertex_buffer_object, 
    GL_ATI_blend_equation_separate, GL_EXT_blend_equation_separate, 
    GL_OES_read_format, GL_ARB_color_buffer_float, GL_ARB_pixel_buffer_object, 
    GL_ARB_texture_compression_rgtc, GL_ARB_texture_rectangle, 
    GL_EXT_pixel_buffer_object, GL_EXT_texture_compression_rgtc, 
    GL_EXT_texture_rectangle, GL_EXT_texture_sRGB, GL_ARB_framebuffer_object, 
    GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample, 
    GL_EXT_packed_depth_stencil, GL_APPLE_object_purgeable, 
    GL_ARB_vertex_array_object, GL_ATI_separate_stencil, GL_EXT_draw_buffers2, 
    GL_EXT_gpu_program_parameters, GL_EXT_texture_env_combine, 
    GL_EXT_texture_sRGB_decode, GL_EXT_timer_query, GL_OES_EGL_image, 
    GL_ARB_copy_buffer, GL_ARB_half_float_vertex, GL_ARB_map_buffer_range, 
    GL_ARB_texture_rg, GL_ARB_texture_swizzle, GL_ARB_vertex_array_bgra, 
    GL_EXT_separate_shader_objects, GL_EXT_texture_swizzle, 
    GL_EXT_vertex_array_bgra, GL_NV_conditional_render, 
    GL_ARB_ES2_compatibility, GL_ARB_draw_elements_base_vertex, 
    GL_ARB_explicit_attrib_location, GL_ARB_fragment_coord_conventions, 
    GL_ARB_provoking_vertex, GL_ARB_sampler_objects, GL_ARB_seamless_cube_map, 
    GL_ARB_shader_texture_lod, GL_EXT_provoking_vertex, GL_EXT_texture_snorm, 
    GL_MESA_texture_signed_rgba, GL_ARB_robustness

32 GLX Visuals
    visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms  cav
  id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------------
0x021 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x022 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x090 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x091 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x092 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x093 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x094 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x095 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x096 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x097 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x098 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x099 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x09a 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x09b 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
0x09c 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x09d 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x09e 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x09f 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0a0 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x0a1 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0a2 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0a3 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0a4 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0a5 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0a6 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x0a7 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0a8 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0a9 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x0aa 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
0x0ab 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x0ac 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x05f 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None

48 GLXFBConfigs:
    visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms  cav
  id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns b eat
----------------------------------------------------------------------------
0x060  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x061  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x062  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x063  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x064  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x065  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x066 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x067 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x068 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x069 24 tc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x06a 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x06b 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x06c 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x06d 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x06e 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x06f 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x070 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x071 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x072  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x073  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16  0  0 0 Slow
0x074 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x075 24 tc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
0x076 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x077 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow
0x078  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x079  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x07a  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0 None
0x07b  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x07c  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x07d  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x07e 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x07f 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x080 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0  0  0  0  0  0  0  0 0 None
0x081 24 dc  0  24  0 r  . .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x082 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x083 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x084 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x085 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x086 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0 None
0x087 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x088 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x089 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x08a  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0 None
0x08b  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16  0  0 0 Slow
0x08c 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8  0  0  0  0  0 0 None
0x08d 24 dc  0  24  0 r  y .   8  8  8  0 .  .  0 24  8 16 16 16  0  0 0 Slow
0x08e 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0 None
0x08f 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0 Slow

while xf86-video-intel and xserver version are available in Xorg.0.log.)
apt-cache policy xserver-xorg-video-intel
xserver-xorg-video-intel:
  Installed: 2:2.17.0-1ubuntu3
  Candidate: 2:2.17.0-1ubuntu4
  Version table:
     2:2.17.0-1ubuntu4 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main i386 Packages
 *** 2:2.17.0-1ubuntu3 0
        100 /var/lib/dpkg/status

apt-cache policy xorg
xorg:
  Installed: 1:7.6+10ubuntu1
  Candidate: 1:7.6+10ubuntu1
  Version table:
 *** 1:7.6+10ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main i386 Packages
        100 /var/lib/dpkg/status

-- kernel version: ("uname -r")
3.2.0-12-generic-pae

-- Linux distribution:
lsb_release -rd
Description: Ubuntu precise (development branch)
Release: 12.04

-- Machine or mobo model: 
Acer Aspire 5750-9668

-- Display connector: (e.g. VGA, DVI, HDMI, S-video, ...)
I am using the main laptop screen with no secondary monitor.

3) Reproduce steps. Probability if not 100% reproducible.
What is expected to happen in a blank Calc document is when one resizes the 
window, it does not have screen display corruptions.

What happens is it does as per screenshot
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/871972/+attachment/2535351/+files/screenshot.png . Following
https://wiki.ubuntu.com/Backtrace please see
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/871972/+attachment/2535349/+files/gdb-libreoffice.txt for
backtrace information.

4) Attachment:
-- Xorg.0.log
https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/871972/+attachment/2776966/+files/Xorg.0.log

-- dmesg output (better with boot option "drm.debug=0x06")
https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/871972/+attachment/2776965/+files/dmesg

-- xorg.conf (if you changed any default options)
sudo find / 'xorg.conf' | grep xorg.conf
/usr/share/X11/xorg.conf.d
/usr/share/X11/xorg.conf.d/10-evdev.conf
/usr/share/X11/xorg.conf.d/11-evdev-quirks.conf
/usr/share/X11/xorg.conf.d/11-evdev-trackpoint.conf
/usr/share/X11/xorg.conf.d/50-synaptics.conf
/usr/share/X11/xorg.conf.d/50-vmmouse.conf
/usr/share/X11/xorg.conf.d/50-wacom.conf
/usr/share/X11/xorg.conf.d/51-synaptics-quirks.conf
/usr/share/man/man5/xorg.conf.5.gz
/usr/share/man/man5/xorg.conf.d.5.gz
/rofs/usr/share/X11/xorg.conf.d
/rofs/usr/share/X11/xorg.conf.d/10-evdev.conf
/rofs/usr/share/X11/xorg.conf.d/11-evdev-quirks.conf
/rofs/usr/share/X11/xorg.conf.d/11-evdev-trackpoint.conf
/rofs/usr/share/X11/xorg.conf.d/50-synaptics.conf
/rofs/usr/share/X11/xorg.conf.d/50-vmmouse.conf
/rofs/usr/share/X11/xorg.conf.d/50-wacom.conf
/rofs/usr/share/X11/xorg.conf.d/51-synaptics-quirks.conf
/rofs/usr/share/man/man5/xorg.conf.5.gz
/rofs/usr/share/man/man5/xorg.conf.d.5.gz

Would you like to be more specific?! :D

-- screenshot or photo (optional, a picture is worth a thousand words)
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/871972/+attachment/2535351/+files/screenshot.png

-- output of "xrandr --verbose" for display mode issue
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (0x45) normal (normal left inverted right x axis y 
axis) 344mm x 193mm
        Identifier: 0x41
        Timestamp:  166198
        Subpixel:   horizontal rgb
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:    
        CRTC:       0
        CRTCs:      0 1
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID:
                00ffffffffffff0006afec2200000000
                01130103802213780ac8959e57549226
                0f505400000001010101010101010101
                010101010101121b5642500026302018
                340058c1100000180000000f00000000
                00000000000000000020000000fe0041
                554f0a202020202020202020000000fe
                004231353658573032205632200a00c0
        BACKLIGHT: 9 (0x00000009)       range:  (0,9)
        Backlight: 9 (0x00000009)       range:  (0,9)
        scaling mode:   Full aspect
                supported: None         Full         Center       Full aspect 
  1366x768 (0x45)   69.3MHz -HSync -VSync *current +preferred
        h: width  1366 start 1398 end 1422 total 1432 skew    0 clock   48.4KHz
        v: height  768 start  771 end  775 total  806           clock   60.0Hz
  1360x768 (0x46)   84.8MHz -HSync +VSync
        h: width  1360 start 1432 end 1568 total 1776 skew    0 clock   47.7KHz
        v: height  768 start  771 end  781 total  798           clock   59.8Hz
  1360x768 (0x47)   72.0MHz +HSync -VSync
        h: width  1360 start 1408 end 1440 total 1520 skew    0 clock   47.4KHz
        v: height  768 start  771 end  781 total  790           clock   60.0Hz
  1024x768 (0x48)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  800x600 (0x49)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  800x600 (0x4a)   36.0MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock   35.2KHz
        v: height  600 start  601 end  603 total  625           clock   56.2Hz
  640x480 (0x4b)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   59.9Hz
VGA1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x42
        Timestamp:  166198
        Subpixel:   unknown
        Clones:    
        CRTCs:      0 1
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
HDMI1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x43
        Timestamp:  166198
        Subpixel:   unknown
        Clones:    
        CRTCs:      0 1
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        Broadcast RGB:  Full
                supported: Full         Limited 16:2
        audio:  auto
                supported: off          auto         on          
DP1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x44
        Timestamp:  166198
        Subpixel:   unknown
        Clones:    
        CRTCs:      0 1
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        Broadcast RGB:  Full
                supported: Full         Limited 16:2
        audio:  auto
                supported: off          auto         on   

-- intel_reg_dumper output (see the guide)
sudo intel_reg_dumper
                    PGETBL_CTL: 0x00000000
               GEN6_INSTDONE_1: 0xfffffffe
               GEN6_INSTDONE_2: 0xffffffff
                  CPU_VGACNTRL: 0x80000000 (disabled)
    DIGITAL_PORT_HOTPLUG_CNTRL: 0x00000000
                     RR_HW_CTL: 0x00000000 (low 0, high 0)
                FDI_PLL_BIOS_0: 0xffffffff
                FDI_PLL_BIOS_1: 0xffffffff
                FDI_PLL_BIOS_2: 0xffffffff
       DISPLAY_PORT_PLL_BIOS_0: 0xffffffff
       DISPLAY_PORT_PLL_BIOS_1: 0xffffffff
       DISPLAY_PORT_PLL_BIOS_2: 0xffffffff
              FDI_PLL_FREQ_CTL: 0xffffffff
                     PIPEACONF: 0xc0000050 (enabled, active, 6bpc)
                      HTOTAL_A: 0x05970555 (1366 active, 1432 total)
                      HBLANK_A: 0x05970555 (1366 start, 1432 end)
                       HSYNC_A: 0x058d0575 (1398 start, 1422 end)
                      VTOTAL_A: 0x032502ff (768 active, 806 total)
                      VBLANK_A: 0x032502ff (768 start, 806 end)
                       VSYNC_A: 0x03060302 (771 start, 775 end)
                  VSYNCSHIFT_A: 0x00000000
                      PIPEASRC: 0x055502ff (1366, 768)
                 PIPEA_DATA_M1: 0x7e1308a8 (TU 64, val 0x1308a8 1247400)
                 PIPEA_DATA_N1: 0x0020f580 (val 0x20f580 2160000)
                 PIPEA_DATA_M2: 0x00000000 (TU 1, val 0x0 0)
                 PIPEA_DATA_N2: 0x00000000 (val 0x0 0)
                 PIPEA_LINK_M1: 0x00010eb4 (val 0x10eb4 69300)
                 PIPEA_LINK_N1: 0x00041eb0 (val 0x41eb0 270000)
                 PIPEA_LINK_M2: 0x00000000 (val 0x0 0)
                 PIPEA_LINK_N2: 0x00000000 (val 0x0 0)
                      DSPACNTR: 0xd8004400 (enabled)
                      DSPABASE: 0x00000000
                    DSPASTRIDE: 0x00001600 (88)
                      DSPASURF: 0x00470000
                   DSPATILEOFF: 0x00000000 (0, 0)
                     PIPEBCONF: 0x00000000 (disabled, inactive, 8bpc)
                      HTOTAL_B: 0x00000000 (1 active, 1 total)
                      HBLANK_B: 0x00000000 (1 start, 1 end)
                       HSYNC_B: 0x00000000 (1 start, 1 end)
                      VTOTAL_B: 0x00000000 (1 active, 1 total)
                      VBLANK_B: 0x00000000 (1 start, 1 end)
                       VSYNC_B: 0x00000000 (1 start, 1 end)
                  VSYNCSHIFT_B: 0x00000000
                      DSPBCNTR: 0x00004000 (disabled)
                      DSPBBASE: 0x00000000
                    DSPBSTRIDE: 0x00000000 (0)
                      DSPBSURF: 0x00000000
                   DSPBTILEOFF: 0x00000000 (0, 0)
                      PIPEBSRC: 0x00000000 (1, 1)
                 PIPEB_DATA_M1: 0x00000000 (TU 1, val 0x0 0)
                 PIPEB_DATA_N1: 0x00000000 (val 0x0 0)
                 PIPEB_DATA_M2: 0x00000000 (TU 1, val 0x0 0)
                 PIPEB_DATA_N2: 0x00000000 (val 0x0 0)
                 PIPEB_LINK_M1: 0x00000000 (val 0x0 0)
                 PIPEB_LINK_N1: 0x00000000 (val 0x0 0)
                 PIPEB_LINK_M2: 0x00000000 (val 0x0 0)
                 PIPEB_LINK_N2: 0x00000000 (val 0x0 0)
                     PFA_CTL_1: 0x00000000 (disable, auto_scale yes, 
auto_scale_cal no, v_filter enable, vadapt disable, mode least, filter_sel 
programmed,chroma pre-filter disable, vert3tap auto, v_inter_invert field 1)
                     PFA_CTL_2: 0x00007e80 (vscale 0.988281)
                     PFA_CTL_3: 0x00003f40 (vscale initial phase 0.494141)
                     PFA_CTL_4: 0x00007d54 (hscale 0.979126)
                   PFA_WIN_POS: 0x00000000 (0, 0)
                  PFA_WIN_SIZE: 0x00000000 (0, 0)
                     PFB_CTL_1: 0x00000000 (disable, auto_scale yes, 
auto_scale_cal no, v_filter enable, vadapt disable, mode least, filter_sel 
programmed,chroma pre-filter disable, vert3tap auto, v_inter_invert field 1)
                     PFB_CTL_2: 0x00000000 (vscale 0.000000)
                     PFB_CTL_3: 0x00000000 (vscale initial phase 0.000000)
                     PFB_CTL_4: 0x00000000 (hscale 0.000000)
                   PFB_WIN_POS: 0x00000000 (0, 0)
                  PFB_WIN_SIZE: 0x00000000 (0, 0)
              PCH_DREF_CONTROL: 0x00001402 (cpu source disable, ssc_source 
enable, nonspread_source enable, superspread_source disable, ssc4_mode 
downspread, ssc1 enable, ssc4 disable)
               PCH_RAWCLK_FREQ: 0x0000007d (FDL_TP1 timer 0.5us, FDL_TP2 timer 
1.5us, freq 125)
              PCH_DPLL_TMR_CFG: 0x0271186a
                PCH_SSC4_PARMS: 0x01204860
            PCH_SSC4_AUX_PARMS: 0x000029c5
                  PCH_DPLL_SEL: 0x00000008 (TransA DPLL enable (DPLL A), TransB 
DPLL disable (DPLL (null)))
           PCH_DPLL_ANALOG_CTL: 0x00008000
                    PCH_DPLL_A: 0x88046004 (enable, sdvo high speed no, mode 
LVDS, p2 Div 14, FPA0 P1 3, FPA1 P1 3, refclk SSC, sdvo/hdmi mul 1)
                    PCH_DPLL_B: 0x04800080 (disable, sdvo high speed no, mode 
(null), p2 (null), FPA0 P1 8, FPA1 P1 8, refclk default 120Mhz, sdvo/hdmi mul 1)
                      PCH_FPA0: 0x00021005 (n = 2, m1 = 16, m2 = 5)
                      PCH_FPA1: 0x00021005 (n = 2, m1 = 16, m2 = 5)
                      PCH_FPB0: 0x00030d07 (n = 3, m1 = 13, m2 = 7)
                      PCH_FPB1: 0x00030d07 (n = 3, m1 = 13, m2 = 7)
                TRANS_HTOTAL_A: 0x05970555 (1366 active, 1432 total)
                TRANS_HBLANK_A: 0x05970555 (1366 start, 1432 end)
                 TRANS_HSYNC_A: 0x058d0575 (1398 start, 1422 end)
                TRANS_VTOTAL_A: 0x032502ff (768 active, 806 total)
                TRANS_VBLANK_A: 0x032502ff (768 start, 806 end)
                 TRANS_VSYNC_A: 0x03060302 (771 start, 775 end)
                TRANSA_DATA_M1: 0x00000000 (TU 1, val 0x0 0)
                TRANSA_DATA_N1: 0x00000000 (val 0x0 0)
                TRANSA_DATA_M2: 0x00000000 (TU 1, val 0x0 0)
                TRANSA_DATA_N2: 0x00000000 (val 0x0 0)
             TRANSA_DP_LINK_M1: 0x00000000 (val 0x0 0)
             TRANSA_DP_LINK_N1: 0x00000000 (val 0x0 0)
             TRANSA_DP_LINK_M2: 0x00000000 (val 0x0 0)
             TRANSA_DP_LINK_N2: 0x00000000 (val 0x0 0)
                TRANS_HTOTAL_B: 0x00000000 (1 active, 1 total)
                TRANS_HBLANK_B: 0x00000000 (1 start, 1 end)
                 TRANS_HSYNC_B: 0x00000000 (1 start, 1 end)
                TRANS_VTOTAL_B: 0x00000000 (1 active, 1 total)
                TRANS_VBLANK_B: 0x00000000 (1 start, 1 end)
                 TRANS_VSYNC_B: 0x00000000 (1 start, 1 end)
                TRANSB_DATA_M1: 0x00000000 (TU 1, val 0x0 0)
                TRANSB_DATA_N1: 0x00000000 (val 0x0 0)
                TRANSB_DATA_M2: 0x00000000 (TU 1, val 0x0 0)
                TRANSB_DATA_N2: 0x00000000 (val 0x0 0)
             TRANSB_DP_LINK_M1: 0x00000000 (val 0x0 0)
             TRANSB_DP_LINK_N1: 0x00000000 (val 0x0 0)
             TRANSB_DP_LINK_M2: 0x00000000 (val 0x0 0)
             TRANSB_DP_LINK_N2: 0x00000000 (val 0x0 0)
                TRANS_HTOTAL_C: 0x00000000 (1 active, 1 total)
                TRANS_HBLANK_C: 0x00000000 (1 start, 1 end)
                 TRANS_HSYNC_C: 0x00000000 (1 start, 1 end)
                TRANS_VTOTAL_C: 0x00000000 (1 active, 1 total)
                TRANS_VBLANK_C: 0x00000000 (1 start, 1 end)
                 TRANS_VSYNC_C: 0x00000000 (1 start, 1 end)
                TRANSC_DATA_M1: 0x00000000 (TU 1, val 0x0 0)
                TRANSC_DATA_N1: 0x00000000 (val 0x0 0)
                TRANSC_DATA_M2: 0x00000000 (TU 1, val 0x0 0)
                TRANSC_DATA_N2: 0x00000000 (val 0x0 0)
             TRANSC_DP_LINK_M1: 0x00000000 (val 0x0 0)
             TRANSC_DP_LINK_N1: 0x00000000 (val 0x0 0)
             TRANSC_DP_LINK_M2: 0x00000000 (val 0x0 0)
             TRANSC_DP_LINK_N2: 0x00000000 (val 0x0 0)
                    TRANSACONF: 0xc0000000 (enable, active)
                    TRANSBCONF: 0x00000000 (disable, inactive)
                    TRANSCCONF: 0x00000000 (disable, inactive)
                   FDI_TXA_CTL: 0xb0044000 (enable, train pattern not train, 
voltage swing 0.4V,pre-emphasis 0dB, port width X1, enhanced framing enable, 
FDI PLL enable, scrambing enable, master mode disable)
                   FDI_TXB_CTL: 0x00040000 (disable, train pattern pattern_1, 
voltage swing 0.4V,pre-emphasis 0dB, port width X1, enhanced framing enable, 
FDI PLL disable, scrambing enable, master mode disable)
                   FDI_TXC_CTL: 0x00000000 (disable, train pattern pattern_1, 
voltage swing 0.4V,pre-emphasis 0dB, port width X1, enhanced framing disable, 
FDI PLL disable, scrambing enable, master mode disable)
                   FDI_RXA_CTL: 0x80022350 (enable, train pattern not train, 
port width X1, 6bpc,link_reverse_strap_overwrite no, dmi_link_reverse no, FDI 
PLL enable,FS ecc disable, FE ecc disable, FS err report enable, FE err report 
enable,scrambing enable, enhanced framing enable, PCDClk)
                   FDI_RXB_CTL: 0x00000040 (disable, train pattern pattern_1, 
port width X1, 8bpc,link_reverse_strap_overwrite no, dmi_link_reverse no, FDI 
PLL disable,FS ecc disable, FE ecc disable, FS err report disable, FE err 
report disable,scrambing enable, enhanced framing enable, RawClk)
                   FDI_RXC_CTL: 0x00000040 (disable, train pattern pattern_1, 
port width X1, 8bpc,link_reverse_strap_overwrite no, dmi_link_reverse no, FDI 
PLL disable,FS ecc disable, FE ecc disable, FS err report disable, FE err 
report disable,scrambing enable, enhanced framing enable, RawClk)
                  FDI_RXA_MISC: 0x00000080 (FDI Delay 128)
                  FDI_RXB_MISC: 0x00000080 (FDI Delay 128)
                  FDI_RXC_MISC: 0x00000080 (FDI Delay 128)
               FDI_RXA_TUSIZE1: 0x7e000000
               FDI_RXA_TUSIZE2: 0x7e000000
               FDI_RXB_TUSIZE1: 0x7e000000
               FDI_RXB_TUSIZE2: 0x7e000000
               FDI_RXC_TUSIZE1: 0x7e000000
               FDI_RXC_TUSIZE2: 0x7e000000
                 FDI_PLL_CTL_1: 0x7e000000
                 FDI_PLL_CTL_2: 0x7e000000
                   FDI_RXA_IIR: 0x00000000
                   FDI_RXA_IMR: 0x000008ff
                   FDI_RXB_IIR: 0x00000000
                   FDI_RXB_IMR: 0x000008ff
                      PCH_ADPA: 0x00f40000 (disabled, transcoder A, -hsync, 
-vsync)
                         HDMIB: 0x0000001c (disabled pipe A 8bpc SDVO DVI audio 
disabled +vsync +hsync detected)
                         HDMIC: 0x00000018 (disabled pipe A 8bpc SDVO DVI audio 
disabled +vsync +hsync non-detected)
                         HDMID: 0x00000018 (disabled pipe A 8bpc SDVO DVI audio 
disabled +vsync +hsync non-detected)
                      PCH_LVDS: 0x80300302 (enabled, pipe A, 18 bit, 1 channel)
                     CPU_eDP_A: 0x00000018
                      PCH_DP_B: 0x00000004
                      PCH_DP_C: 0x00000000
                      PCH_DP_D: 0x00000000
                TRANS_DP_CTL_A: 0x60000418 (disable port none 6bpc +vsync 
+hsync)
                TRANS_DP_CTL_B: 0x60000018 (disable port none 8bpc +vsync 
+hsync)
                TRANS_DP_CTL_C: 0x60000018 (disable port none 8bpc +vsync 
+hsync)
              BLC_PWM_CPU_CTL2: 0x80000000
               BLC_PWM_CPU_CTL: 0x000003d0
              BLC_PWM_PCH_CTL1: 0x80000000
              BLC_PWM_PCH_CTL2: 0x03d003d0
                 PCH_PP_STATUS: 0xc0000008 (on, ready, sequencing idle)
                PCH_PP_CONTROL: 0xabcd0003 (blacklight disabled, power down on 
reset, panel on)
              PCH_PP_ON_DELAYS: 0x025807d0
             PCH_PP_OFF_DELAYS: 0x01f407d0
                PCH_PP_DIVISOR: 0x00186905

and VBIOS dump (see the guide) for display issue.
echo 1 > /sys/devices/pci0000:00/0000:00:02.0/rom
bash: /sys/devices/pci0000:00/0000:00:02.0/rom: Permission denied
xubuntu@xubuntu:~/Desktop$ sudo echo 1 > 
/sys/devices/pci0000:00/0000:00:02.0/rom
bash: /sys/devices/pci0000:00/0000:00:02.0/rom: Permission denied

Um yeah... :D

-- for GPU hang, get the last batch buffer (see the guide).
N/A

Additional info:
This problem did not occur in a Natty Live CD environment:
xserver-xorg-video-intel 2:2.14.0-4ubuntu7

Reply at: https://bugs.launchpad.net/xserver-xorg-video-
intel/+bug/871972/comments/13


** Changed in: xserver-xorg-video-intel
       Status: Unknown => Confirmed

** Changed in: xserver-xorg-video-intel
   Importance: Unknown => Low

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https://bugs.launchpad.net/bugs/871972

Title:
  [i915] Screen display corruption resizing LibreOffice Calc window Acer
  Aspire 5750-9668

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