Regression: Thunderbird daily hangs as a consequence of atk_text_get_text_at_offset being called
Categories
(Core :: Disability Access APIs, defect)
Tracking
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People
(Reporter: jdiggs, Unassigned)
References
(Blocks 1 open bug)
Details
Attachments
(2 files)
Steps to reproduce:
- Launch the attached accessibility-event listener in a terminal
- Launch thunderbird daily and select/open a message
Expected results: Thunderbird would not become non-responsive.
Actual results: Thunderbird seems to hang.
I don't have all the debug symbols, but the last non-libxul call is atk_text_get_text_at_offset. And what the listener does upon page load is call get_text_at_offset for the entire accessibility tree. Stacktrace will be attached.
I'll see if I can find the exact commit where this change happened. But some recent work has been done by Marco Zehe to fix text bugs, so I'm guessing this might be a side effect.
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Reporter | |
Comment 1•4 years ago
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Reporter | |
Comment 2•4 years ago
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84.0a1 (2020-10-26) (64-bit) - good
84.0a1 (2020-10-27) (64-bit) - bad
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Comment 3•4 years ago
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Joanie, I wonder if this is fixed by bug 1675172? That only landed a couple of days ago, so maybe it hadn't made it into the TB daily you were testing?
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Comment 4•4 years ago
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Hi,
Thanks Joanie for the report. From my user point of view, the problem seems to be fixed, but lets be careful as it changes everyday this week. Sometimes I have it, other no longer, but it is not stable. COuld not we have a non-reg test for this behavior?
Best regards
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Comment 5•4 years ago
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I wasn't able to come up with a test case in Firefox which reproduced bug 1675172, even though we saw it happen in the wild. Even if it happens in Thunderbird reliably, we can't write a11y test cases specific to Thunderbird's UI.
Closing as per comment 4, but please reopen if the problem persists/reappears.
Description
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