Closed Bug 1792015 Opened 2 years ago Closed 9 months ago

Stutters when scroll if playing video in visibility scope with NVIDIA GPU

Categories

(Core :: Graphics: WebRender, defect)

Product:
Core
Component:
Graphics: WebRender
Version:
Firefox 106
Type:
defect

Tracking

()

Status:
RESOLVED INCOMPLETE

People

(Reporter: rivaavir3, Unassigned)

References

(Blocks 1 open bug)

Details

Attachments

(2 files, 1 obsolete file)

Task manager1
87.66 KB, image/png
Details
Task manager3
57.40 KB, image/png
Details

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:106.0) Gecko/20100101 Firefox/106.0

Steps to reproduce:

  1. Open Firefox Dev Edition (version 106.0b2 (64-bit)). It's important, because I can't reproduce it in Firefox Stable 105.
  2. Open any YouTube video. (I opened https://www.youtube.com/watch?v=CREZbAm5vJ8).
  3. Play video.
  4. Scroll next to video.

Actual results:

I'm having a lot of stutters when scrolling with video in visibility scope. When video goes away of visibility scope, stutters go away too.

Video: https://www.youtube.com/watch?v=dLScWxh1sC4

Expected results:

Scroll without any problems.

The Bugbug bot thinks this bug should belong to the 'Core::Audio/Video: Playback' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Component: Untriaged → Audio/Video: Playback
Product: Firefox → Core

This bug doesn't reproduce every time. It may take you 3-5 tries to repeat it.

Component: Audio/Video: Playback → Graphics: WebRender

Another demonstartion https://www.youtube.com/watch?v=sBEDl18nvYU

(In reply to Eduard Baturing from comment #3)

Another demonstartion https://www.youtube.com/watch?v=sBEDl18nvYU

demonstration*

It works on any website

Hello Eduard Baturing, thank you for reporting the bug. Can you attach about:support to this bug? If possible, can you collect a Firefox performance profile using the 'Graphics' settings in the drop down of the toolbar button when you see this happening? Thanks.

https://profiler.firefox.com/

Flags: needinfo?(rivaavir3)
Severity: -- → S3

about:support:

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    "memorySizeBytes": 17039466496,
    "diskAvailableBytes": 53644632064,
    "updateChannel": "aurora",
    "supportURL": "https://support.mozilla.org/1/firefox/106.0/WINNT/en-US/",
    "osTheme": "",
    "numTotalWindows": 1,
    "numFissionWindows": 1,
    "numRemoteWindows": 1,
    "launcherProcessState": 0,
    "fissionAutoStart": true,
    "fissionDecisionStatus": "enabledByDefault",
    "remoteAutoStart": true,
    "policiesStatus": 0,
    "keyLocationServiceGoogleFound": true,
    "keySafebrowsingGoogleFound": true,
    "keyMozillaFound": true
  },
  "normandy": {
    "addonStudies": [],
    "prefRollouts": [],
    "prefStudies": [],
    "nimbusExperiments": [
      {
        "slug": "task-continuity-sync-after-tab-change-rollout-40",
        "branch": {
          "slug": "sync-after-tab",
          "ratio": 1,
          "feature": {
            "value": {},
            "enabled": false,
            "featureId": "this-is-included-for-desktop-pre-95-support"
          },
          "features": [
            {
              "value": {
                "syncDelayAfterTabChange": 5000
              },
              "enabled": true,
              "featureId": "syncAfterTabChange"
            }
          ]
        },
        "active": true,
        "enrollmentId": "23cf93d0-75a3-43fa-be83-f71dfbee7778",
        "experimentType": "nimbus",
        "source": "rs-loader",
        "userFacingName": "Task Continuity - Sync after tab change Rollout 40%",
        "userFacingDescription": "Increase frequency of syncing after tab changes",
        "lastSeen": "2022-09-22T12:36:55.568Z",
        "featureIds": [
          "syncAfterTabChange"
        ],
        "isRollout": false
      },
      {
        "slug": "tcp-rollout-aurora-phase-iii-tcp-on-by-default-for-100-aurora-profiles",
        "branch": {
          "slug": "control",
          "ratio": 1,
          "feature": {
            "value": {},
            "enabled": false,
            "featureId": "this-is-included-for-desktop-pre-95-support"
          },
          "features": [
            {
              "value": {
                "enabled": true
              },
              "enabled": true,
              "featureId": "tcpByDefault"
            }
          ]
        },
        "active": true,
        "enrollmentId": "b0a0ca04-3c19-4665-8824-f6045fcbccb6",
        "experimentType": "nimbus",
        "source": "rs-loader",
        "userFacingName": "TCP rollout, Aurora Phase III (TCP on by default for 100% Aurora profiles)",
        "userFacingDescription": "\"By default\" rollout: Gradually turning on Total Cookie Protection in standard browsing by default for EXISTING user profiles",
        "lastSeen": "2022-09-22T12:36:55.634Z",
        "featureIds": [
          "tcpByDefault"
        ]
      }
    ],
    "nimbusRollouts": []
  }
}

I will send the Firefox performance profile a bit later.

Flags: needinfo?(rivaavir3)

On NVIDIA GPU, "zero video copy of hw decoded video" and "video overlay" is enabled until early beta. It seemed to related to the problem.

Firefox performance profile: https://share.firefox.dev/3SCTvSl

(In reply to Eduard Baturin from comment #9)

Firefox performance profile: https://share.firefox.dev/3SCTvSl

Of course, when lags occur

This lags also occur in Chrome 105.0.5195.127 (Official Build) (64-bit), but not in Firefox stable 105.

This lags also occur in Chrome 105.0.5195.127 (Official Build) (64-bit), but not in Firefox stable 105.

Related:
https://www.reddit.com/r/Windows10/comments/m9c4au/lag_when_scrolling_on_youtube_after_windows_20h2
https://www.reddit.com/r/nvidia/comments/m68r60/game_ready_driver_46192_faqdiscussion/

See Also: → 1778560

Hi Eduard Baturing, can you take a screenshot of GPU performance in Performance Tab of Windows Task Manager(Alt + Ctrl + Delete), when the problem happens? Thank you.

Flags: needinfo?(rivaavir3)
Attached image Task manager1 —
Flags: needinfo?(rivaavir3)
Attached image Task manager2 (obsolete) —

If bug NOT occurs firefox use only 3-10% GPU.

Attached image Task manager3 —

I accidentally recorded the video in the last screenshot. Here is the clean performance without it.

Attachment #9296743 - Attachment is obsolete: true

(In reply to Eduard Baturin from comment #16)

If bug NOT occurs firefox use only 3-10% GPU.

in processes tab

(In reply to Eduard Baturin from comment #18)

(In reply to Eduard Baturin from comment #16)

If bug NOT occurs firefox use only 3-10% GPU.

in processes tab

Opps it depends on the specific video, not the bug

(In reply to Eduard Baturin from comment #16)

If bug NOT occurs firefox use only 3-10% GPU.

As a result, specific videos use from 3 to 25% gpu. When video use more than ~15%, you scroll and video plays firefox 106 starts to stutter.

(In reply to Eduard Baturin from comment #20)

(In reply to Eduard Baturin from comment #16)

If bug NOT occurs firefox use only 3-10% GPU.

As a result, specific videos use from 3 to 25% gpu. When video use more than ~15%, you scroll and video plays firefox 106 starts to stutter.

% of Video Decode in performance tab.

Thank you! From it, one cause of the problem might be wait at RenderCompositorANGLE::WaitForGPU(). There might be cases that gpu command finish took several frames on NVIDIA gpus.

Depends on: 1793388

Thank you so much!

Eduard Baturin , can you check if the problem still happens with latest nightly? Thank you.

Flags: needinfo?(rivaavir3)

Before update all was fine with firefox dev 106. Today my firefox dev updated. Stutters started happening again.

(In reply to Sotaro Ikeda [:sotaro] from comment #24)

Eduard Baturin , can you check if the problem still happens with latest nightly? Thank you.

Problem also happens with firefox nightly 108.0a1 (2022-10-18)

Flags: needinfo?(rivaavir3)

Hi Eduard Baturin, can you take gecko profile again with Firefox nightly when the problem happens? Thank you.

Flags: needinfo?(rivaavir3)
Summary: Stutters when scroll if playing video in visibility scope → Stutters when scroll if playing video in visibility scope with NVIDIA GPU

(In reply to Sotaro Ikeda [:sotaro] from comment #26)

Hi Eduard Baturin, can you take gecko profile again with Firefox nightly when the problem happens? Thank you.

https://share.firefox.dev/3CQbxKQ

Flags: needinfo?(rivaavir3)
See Also: → 1796511

(In reply to Eduard Baturin from comment #27)

https://share.firefox.dev/3CQbxKQ

Thank you. Renderer thread was blocked at mVideoSwapChain->Present(0. 0,) now. And profile marker "GetLastCompletedFrameId" said that 3 or 4 frames are pending. From them, completion of video decoding might be slow.

I wonder if the Present() is Present(1, DXGI_PRESENT_USE_DURATION) like chromium, the wait might become better. Since the Present(1, DXGI_PRESENT_USE_DURATION) add more extra time.

Depends on: 1797022
See Also: → 1773872
No longer depends on: 1797022

The problem still occurs on the last Nightly

See Also: → 1818685
Depends on: 1818685

Hi Eduard Baturin, can you check if the problem is addressed with latest nightly? Thank you.

Flags: needinfo?(rivaavir3)

A needinfo is requested from the reporter, however, the reporter is inactive on Bugzilla. Closing the bug as incomplete.

For more information, please visit BugBot documentation.

Status: UNCONFIRMED → RESOLVED
Closed: 9 months ago
Flags: needinfo?(rivaavir3)
Resolution: --- → INCOMPLETE
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