Closed
Bug 1369215
Opened 7 years ago
Closed 7 years ago
Firefox Nightly hangs when JAWS Screenreader and e10s is active
Categories
(Core :: Disability Access APIs, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 1388409
People
(Reporter: u554753, Unassigned)
References
(Blocks 2 open bugs)
Details
User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:55.0) Gecko/20100101 Firefox/55.0 JAWS Version: 18.0.2945 Steps to Reproduce: 1. Go to http://oaa-accessibility.org/example/1 or any website with significant amount of content 2. Observe browser behavior. Expected Result: Firefox Nightly does not hang/freeze, functions normally. Actual Result: Browser either hangs, or "Firefox Nightly has stopped working" dialog box appears after a time. (See Gecko Profiler link below) This happens only when e10s is enabled. It functions normally when e10s is disabled. Gecko Profiler: https://perfht.ml/2rG3z4E
Comment 1•7 years ago
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Thanks for your bug report Grover. Is this a normal Nightly build? Markus, any idea why the profile lacks symbols?
Flags: needinfo?(mstange)
Comment 2•7 years ago
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I believe we're already tracking similar hangs and are working with the JAWS vendor to resolve. Aaron can say more if need be.
Flags: needinfo?(aklotz)
Comment 4•7 years ago
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Yes, the hangs are due to JAWS' injected DLL blocking the chrome main thread while it does a bunch of other stuff. We're working on it in conjunction with the JAWS developers.
Flags: needinfo?(aklotz)
Understood. Going to cite this bug in the QA sign-off report, with reference to Comment 4.
Comment 6•7 years ago
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(In reply to :Ehsan Akhgari (needinfo please, extremely long backlog) from comment #1) > Thanks for your bug report Grover. Is this a normal Nightly build? > > Markus, any idea why the profile lacks symbols? Not sure. Symbolication is rather network and memory intensive, and can take some time. Maybe the profile was uploaded before symbolication was finished. We should just add the ability to perf.html to symbolicate an existing profile, and then we won't need to worry about this as much anymore.
Updated•7 years ago
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Flags: needinfo?(mstange)
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Comment 7•7 years ago
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This is still a valid issue, I see long pauses during "slurp" period after loading a fresh, wordy wikipedia page. try - https://en.wikipedia.org/wiki/Westworld_(TV_series)
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Updated•7 years ago
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Status: NEW → RESOLVED
Closed: 7 years ago
Resolution: --- → DUPLICATE
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Description
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