[Webkit-unassigned] [Bug 169510] New: REGRESSION(r213645): It made JSC tests super slow and timeout on AArch Linux

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Mar 11 00:46:59 PST 2017


            Bug ID: 169510
           Summary: REGRESSION(r213645): It made JSC tests super slow and
                    timeout on AArch Linux
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: Blocker
          Priority: P1
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ossy at webkit.org
                CC: fpizlo at apple.com, mark.lam at apple.com
            Blocks: 108645, 169300

before r213645: 
- https://build.webkit.org/builders/JSCOnly%20Linux%20AArch64%20Release/builds/4895
- runtime: 1h 15mins
- only 7 failures

after r213645: 
- https://build.webkit.org/builders/JSCOnly%20Linux%20AArch64%20Release/builds/4950
- runtime: 10h 30 mins (stopped after it, full test runtime would have taken days)
- zillion timeouts

Note, that https://trac.webkit.org/changeset/213645 broke the build too
which was fixed in https://trac.webkit.org/changeset/213705. But I tested
r213645 with the buildfix directly and it showed that r213645 caused this
serious regression.

Is there any way to disable this super slow new feature on Linux?
I don't and won't have to debug what caused this regeression in your patch.

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