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[hackel <1582823@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "Open file dialogue"
   https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1582823/+attachment/4664796/+files/Screenshot%20from%202016-05-17%2011-59-51.png

** Description changed:

  Since upgrading to 16.04, I've been experiencing frequent difficulties
  resuming from suspend, causing text not to be displayed at all, or wrong
  characters to be displayed.  Please see the attached screenshots.
  
  I don't know what part of the system this lies in.  It seems to affect
  all gtk apps at least.  Chromium renders just fine when this happens,
  other than the titlebar.  Similarly, Cool Retro Term renders correctly,
  which obviously doesn't use gtk, while Gnome Terminal and Guake do not.
  
  This suggests it could be related to framebuffer corruption, but this
  report was made with a much earlier kernel, and I had no such problems
  under 15.10.  http://askubuntu.com/questions/688306/text-missing-
  garbled-after-laptop-resumes-from-sleep-mode
  
+ libgtk-3-0 3.18.9-1ubuntu3
  linux-image-4.4.0-22-generic 4.4.0-22.40
  xserver-xorg-core 2:1.18.3-1ubuntu2
  xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1
  
  lshw -c video
-   *-display               
-        description: VGA compatible controller
-        product: 4th Gen Core Processor Integrated Graphics Controller
-        vendor: Intel Corporation
-        physical id: 2
-        bus info: pci@0000:00:02.0
-        version: 06
-        width: 64 bits
-        clock: 33MHz
-        capabilities: msi pm vga_controller bus_master cap_list rom
-        configuration: driver=i915 latency=0
-        resources: irq:30 memory:b2000000-b23fffff memory:a0000000-afffffff ioport:5000(size=64)
+   *-display
+        description: VGA compatible controller
+        product: 4th Gen Core Processor Integrated Graphics Controller
+        vendor: Intel Corporation
+        physical id: 2
+        bus info: pci@0000:00:02.0
+        version: 06
+        width: 64 bits
+        clock: 33MHz
+        capabilities: msi pm vga_controller bus_master cap_list rom
+        configuration: driver=i915 latency=0
+        resources: irq:30 memory:b2000000-b23fffff memory:a0000000-afffffff ioport:5000(size=64)
  
  dmesg | grep i915
  [    1.383957] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0
  [    1.534467] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
  [    2.718041] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
  [    2.718060] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun
  [    2.733438] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe B
  [    2.733460] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
  [    4.137698] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
  [   66.585338] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=4267 end=4268) time 282 us, min 1073, max 1079, scanline start 1059, end 1090
  [  277.577183] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=16480 end=16481) time 363 us, min 894, max 899, scanline start 875, end 900
  [  284.581315] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=16900 end=16901) time 358 us, min 894, max 899, scanline start 891, end 905
  [  300.589410] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=18424 end=18425) time 210 us, min 1073, max 1079, scanline start 1070, end 1084
  [  302.574085] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=18544 end=18545) time 338 us, min 1073, max 1079, scanline start 1061, end 1078
  [  470.560521] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=28707 end=28708) time 301 us, min 1073, max 1079, scanline start 1071, end 1091
  [  595.553386] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=36269 end=36270) time 107 us, min 1073, max 1079, scanline start 1056, end 1083
  [ 1043.512803] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=63370 end=63371) time 402 us, min 1073, max 1079, scanline start 1058, end 1084
  [ 1106.508551] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=66184 end=66185) time 424 us, min 894, max 899, scanline start 876, end 895

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1582823

Title:
  Text not rendering correctly after resume from suspend

Status in gtk+3.0 package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Since upgrading to 16.04, I've been experiencing frequent difficulties
  resuming from suspend, causing text not to be displayed at all, or
  wrong characters to be displayed.  Please see the attached
  screenshots.

  I don't know what part of the system this lies in.  It seems to affect
  all gtk apps at least.  Chromium renders just fine when this happens,
  other than the titlebar.  Similarly, Cool Retro Term renders
  correctly, which obviously doesn't use gtk, while Gnome Terminal and
  Guake do not.

  This suggests it could be related to framebuffer corruption, but this
  report was made with a much earlier kernel, and I had no such problems
  under 15.10.  http://askubuntu.com/questions/688306/text-missing-
  garbled-after-laptop-resumes-from-sleep-mode

  libgtk-3-0 3.18.9-1ubuntu3
  linux-image-4.4.0-22-generic 4.4.0-22.40
  xserver-xorg-core 2:1.18.3-1ubuntu2
  xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1

  lshw -c video
    *-display
         description: VGA compatible controller
         product: 4th Gen Core Processor Integrated Graphics Controller
         vendor: Intel Corporation
         physical id: 2
         bus info: pci@0000:00:02.0
         version: 06
         width: 64 bits
         clock: 33MHz
         capabilities: msi pm vga_controller bus_master cap_list rom
         configuration: driver=i915 latency=0
         resources: irq:30 memory:b2000000-b23fffff memory:a0000000-afffffff ioport:5000(size=64)

  dmesg | grep i915
  [    1.383957] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0
  [    1.534467] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
  [    2.718041] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A
  [    2.718060] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun
  [    2.733438] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe B
  [    2.733460] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun
  [    4.137698] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
  [   66.585338] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=4267 end=4268) time 282 us, min 1073, max 1079, scanline start 1059, end 1090
  [  277.577183] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=16480 end=16481) time 363 us, min 894, max 899, scanline start 875, end 900
  [  284.581315] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=16900 end=16901) time 358 us, min 894, max 899, scanline start 891, end 905
  [  300.589410] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=18424 end=18425) time 210 us, min 1073, max 1079, scanline start 1070, end 1084
  [  302.574085] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=18544 end=18545) time 338 us, min 1073, max 1079, scanline start 1061, end 1078
  [  470.560521] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=28707 end=28708) time 301 us, min 1073, max 1079, scanline start 1071, end 1091
  [  595.553386] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=36269 end=36270) time 107 us, min 1073, max 1079, scanline start 1056, end 1083
  [ 1043.512803] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=63370 end=63371) time 402 us, min 1073, max 1079, scanline start 1058, end 1084
  [ 1106.508551] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe B (start=66184 end=66185) time 424 us, min 894, max 899, scanline start 876, end 895

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