Bug 227881 – REGRESSION (r279806): [ iOS/macOS ] Multiple Canvas tests flaky crash, flaky fail

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: Text

[Eric Hutchison]

fast/canvas/canvas-overloads-strokeText.html

is a flaky crash on iOS.

History: https://results.webkit.org/?suite=layout-tests&test=fast%2Fcanvas%2Fcanvas-overloads-strokeText.html&platform=ios

Crash Log:

No crash log found for com.apple.WebKit.WebContent.Development:29054.

stdout:

stderr:
com.apple.WebKit.WebContent.Development terminated (pid 29054) because the process crashed

[Radar WebKit Bug Importer]

<rdar://problem/80473805>

[Eric Hutchison]

Created attachment 433359 [details]
Update Test Expectations

[Simon Fraser (smfr)]

It's important that we file a bug on the crash itself with more info.

[Robert Jenner]

Comment on attachment 433359 [details]
Update Test Expectations

Clearing flags on attachment: 433359

Committed r279853 (239607@main): <https://commits.webkit.org/239607@main>

[Eric Hutchison]

Reproduced crash on r279831 with run-webkit-test --iOS-simulator --iterations 200 --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --debug-rwt-logging --no-retry --force --no-build -f  fast/canvas/canvas-overloads-strokeText.html. 

Crash-log.txt contains: 

No crash log found for com.apple.WebKit.WebContent.Development:5872.

stdout:

stderr:
com.apple.WebKit.WebContent.Development terminated (pid 5872) because the process crashed

.stderr.text contains: com.apple.WebKit.WebContent.Development terminated (pid 5872) because the process crashed

reproduced crash on r279806 with same command as above.

Crash log text: No crash log found for com.apple.WebKit.WebContent.Development:7250.

stdout:

stderr:
com.apple.WebKit.WebContent.Development terminated (pid 7250) because the process crashed

Stderr text: com.apple.WebKit.WebContent.Development terminated (pid 7250) because the process crashed

Test did not crash on r279805.

[Ryan Haddad]

It looks like this also affects macOS:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fcanvas%2Fcanvas-overloads-strokeText.html&platform=ios&platform=mac

Created attachment 433538 [details]
Patch

Updating test expectations for MacOS wk2

I was able to reproduce the crash using run-webkit-tests fast/canvas/canvas-overloads-strokeText.html --iterations 500  --exit-after-n-crashes-or-timeouts 2

[Robert Jenner]

Comment on attachment 433538 [details]
Patch

Clearing flags on attachment: 433538

Committed r279932 (239677@main): <https://commits.webkit.org/239677@main>

[Eric Hutchison]

This regression also impacts inspector/canvas/requestClientNodes-css.html as a flaky timeout. Adding it here and updating test expectations.

Diff: 

--- /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk2/build/layout-test-results/inspector/canvas/requestClientNodes-css-expected.txt
+++ /Volumes/Data/worker/bigsur-release-applesilicon-tests-wk2/build/layout-test-results/inspector/canvas/requestClientNodes-css-actual.txt
@@ -1,13 +1,5 @@
-Test that CanvasAgent tracks changes in the client nodes of a CSS canvas.
+#PID UNRESPONSIVE - WebKitTestRunner (pid 13414)
+FAIL: Timed out waiting for notifyDone to be called
 
-
-== Running test suite: Canvas.requestClientNodes.CSS
--- Running test case: Canvas.requestClientNodes.CSS.Create
-PASS: Canvas with created client should have CSS name "css-canvas".
-PASS: There should be one client node.
-PASS: Client node "div" is valid.
-
--- Running test case: Canvas.requestClientNodes.CSS.Destroy
-PASS: Canvas with destroyed client should have CSS name "css-canvas".
-PASS: There should be no client nodes.
-
+#EOF
+#EOF

[Eric Hutchison]

Created attachment 433702 [details]
Update Test Expectations

[Eric Hutchison]

Created attachment 433704 [details]
Update Test Expectations

[Robert Jenner]

History link "inspector/canvas/requestClientNodes-css.html":

https://results.webkit.org/?suite=layout-tests&test=inspector%2Fcanvas%2FrequestClientNodes-css.html

[Robert Jenner]

Comment on attachment 433704 [details]
Update Test Expectations

Clearing flags on attachment: 433704

Committed r280002 (239744@main): <https://commits.webkit.org/239744@main>

[Ryan Haddad]

*** Bug 227929 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

*** Bug 227890 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

*** Bug 228034 has been marked as a duplicate of this bug. ***

[Eric Hutchison]

Update test expectations for https://bugs.webkit.org/show_bug.cgi?id=227881 in https://trac.webkit.org/changeset/280150/webkit.

[Eric Hutchison]

Test is inspector/canvas/recording-webgl-snapshots.html

[Eric Hutchison]

inspector/canvas/recording-2d-memoryLimit.html and inspector/canvas/recording-2d-full.html crashing due to this regression.

Updated test expectations to skip these tests at https://trac.webkit.org/changeset/280152/webkit.

[Eric Hutchison]

*** Bug 228131 has been marked as a duplicate of this bug. ***

[Eric Hutchison]

inspector/canvas/recording-bitmaprenderer-memoryLimit.html is also affected by this bug.

[Eric Hutchison]

Also affected:

inspector/canvas/updateShader-webgpu.html
inspector/canvas/recording-html-2d.html

[Eric Hutchison]

Updated test expectations at https://trac.webkit.org/changeset/280403/webkit

[Myles C. Maxfield]

*** This bug has been marked as a duplicate of bug 228216 ***