[Webkit-unassigned] [Bug 223750] [ Debug wk2 ] ASSERTION FAILED: willBeComposited == needsToBeComposited(layer, queryData)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Mar 25 17:02:44 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=223750

--- Comment #7 from Robert Jenner <Jenner at apple.com> ---
I was able to reproduce the crash, but under very specific circumstances.

To reproduce the crash, first I checked out revision r275036 locally. I chose that revision specifically because it crashed in the history on that revision. 

After that, I reproduced the crash at r275036 with a test list. It would not crash when being run standalone. I used the following to reproduce the crash:

run-webkit-test --test-list <Path to Test list> --debug --child-process=50 


The test list used is attached below. I will note as well, that the test has been flakey crashing for a while, but it did seem to get worse starting at r274268 https://trac.webkit.org/changeset/274268/webkit I'm uncertain if changes there caused this though.

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