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The last two releases of Chrome for my Ubuntu 16.10 have had slow video playback in Chrome only on the external monitor only when fullscreen and only when that chrome window/tab is NOT foucsed (i.e. if I click another window on the laptop monitor the video plays fine full screen on the external monitor).

When the video is jerky I notice the Xorg process uses 100% CPU. When I click on another window on the other monitor the video plays fine and the XOrg CPU drops right off.

Not the end of the world but annoying having to always move the mouse off the screen and click a random window on the laptop monitor when trying to watch a movie!

sudo lshw -class display *-display
description: VGA compatible controller product: 3rd Gen Core processor Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:28 memory:c1000000-c13fffff memory:b0000000-bfffffff ioport:4000(size=64) memory:c0000-dffff

About Ubuntu reports Intel® Ivybridge Mobile

I ran Intel Graphics Tool Update and have ensured I am running the latest Chrome v60.0.3112.90 (Official Build) (64-bit)

I have tried the answer here: Chrome running slow in fullscreen mode (not Flash related) to no avail.

Chrome chrome://gpu/ outputs:

Graphics Feature Status Canvas: Software only, hardware acceleration unavailable CheckerImaging: Disabled Flash: Software only, hardware acceleration unavailable Flash Stage3D: Software only, hardware acceleration unavailable Flash Stage3D Baseline profile: Software only, hardware acceleration unavailable Compositing: Software only, hardware acceleration unavailable Multiple Raster Threads: Enabled Native GpuMemoryBuffers: Software only. Hardware acceleration disabled Rasterization: Software only, hardware acceleration unavailable Video Decode: Software only, hardware acceleration unavailable Video Encode: Software only, hardware acceleration unavailable WebGL: Hardware accelerated but at reduced performance WebGL2: Unavailable Driver Bug Workarounds adjust_src_dst_region_for_blitframebuffer clear_uniforms_before_first_program_use decode_encode_srgb_for_generatemipmap disable_framebuffer_cmaa dont_remove_invariant_for_fragment_input force_cube_map_positive_x_allocation force_int_or_srgb_cube_texture_complete init_texture_max_anisotropy regenerate_struct_names remove_invariant_and_centroid_for_essl3 scalarize_vec_and_mat_constructor_args disable_software_to_accelerated_canvas_upgrade Problems Detected ATI/AMD cards with older drivers in Linux are crash-prone: 71381, 76428, 73910, 101225, 136240, 357314 Disabled Features: flash_stage3d, gpu_compositing, panel_fitting, flash3d, gpu_rasterization, accelerated_2d_canvas, accelerated_video_decode, webgl2, accelerated_webgl, flash_stage3d_baseline, accelerated_video_encode Accelerated video decode is unavailable on Linux: 137247 Disabled Features: accelerated_video_decode Accelerated video encode is unavailable on Linux Disabled Features: accelerated_video_encode Clear uniforms before first program use on all platforms: 124764, 349137 Applied Workarounds: clear_uniforms_before_first_program_use Linux AMD drivers incorrectly return initial value of 1 for TEXTURE_MAX_ANISOTROPY: 348237 Applied Workarounds: init_texture_max_anisotropy Always rewrite vec/mat constructors to be consistent: 398694 Applied Workarounds: scalarize_vec_and_mat_constructor_args Linux AMD drivers handle struct scopes incorrectly: 403957 Applied Workarounds: regenerate_struct_names Linux ATI drivers crash on binding incomplete cube map texture to FBO: 518889 Applied Workarounds: force_cube_map_positive_x_allocation Limited enabling of Chromium GL_INTEL_framebuffer_CMAA: 535198 Applied Workarounds: disable_framebuffer_cmaa adjust src/dst region if blitting pixels outside read framebuffer on Linux AMD: 664740 Applied Workarounds: adjust_src_dst_region_for_blitframebuffer AMD drivers in Linux require invariant qualifier to match between vertex and fragment shaders: 659326, 639760 Applied Workarounds: remove_invariant_and_centroid_for_essl3, dont_remove_invariant_for_fragment_input Disable KHR_blend_equation_advanced until cc shaders are updated: 661715 Decode and Encode before generateMipmap for srgb format textures on Linux AMD: 634519 Applied Workarounds: decode_encode_srgb_for_generatemipmap Software to Accelerated canvas update breaks Linux AMD: 710029 Applied Workarounds: disable_software_to_accelerated_canvas_upgrade Force integer or srgb cube map texture complete on Linux AMD: 712117 Applied Workarounds: force_int_or_srgb_cube_texture_complete Native GpuMemoryBuffers have been disabled, either via about:flags or command line. Disabled Features: native_gpu_memory_buffers Checker-imaging has been disabled via finch trial or the command line. Disabled Features: checker_imaging

Any advice much appreciated.

  • Chrome dropped pepperflash in favor of html5 starting with ver 59. I rolled back to ver 56 because of video playback issues associated with this switch – ravery Aug 7 '17 at 16:34
  • Thanks for the info. I tried to install pepperflash manually and now chrome://flash displays: Google Chrome 60.0.3112.90 () OS Linux Flash plugin 26.0.0.137 /home/<home>/.config/google-chrome/PepperFlash/26.0.0.137/libpepflashplayer.so but fullscreen playback just on the external monitor and just when the window IS focused is as jittery as before. Is my only option to revert to v56? Thanks! – twiz911 Aug 9 '17 at 10:26
  • @ravery do you have any ideas? thanks for your time. – twiz911 Aug 14 '17 at 1:34
  • no I don't, I just know on mine the change to ver59 caused video issues, especially when more than one was playing. reverting to 56 fixed it. you may have a different issue – ravery Aug 14 '17 at 3:35
  • Ok thanks I've been playing around with different settings and versions of flash but not been able to fix it (I think I've made the video performance worse). So it really seems the only way is to downgrade :( – twiz911 Aug 28 '17 at 13:25
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This is due to Chrome v59+ removing flash from Chrome.

After lots of trial and error the easiest way I found was to install Google Chrome Beta to use for flash and use Chrome stable for everything else.

http://sagasl.uccuyosl.edu.ar/mirror/dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-beta/google-chrome-beta_58.0.3029.81-1_amd64.deb

Then launch via

google-chrome-beta

Then goto

chrome://flags/

And disable

Prefer HTML over Flash Mac, Windows, Linux, Chrome OS Prefer HTML content by hiding Flash from the list of plug-ins.

prefer-html-over-flash

Then relaunch.

And now videos should play full speed full screen without jittering using good(!) old flash.

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