RESOLVED FIXED Bug 200215
UI process occasionally hangs in -[UIKeyboardTaskQueue lockWhenReadyForMainThread] 
https://bugs.webkit.org/show_bug.cgi?id=200215
Summary UI process occasionally hangs in -[UIKeyboardTaskQueue lockWhenReadyForMainTh...
Wenson Hsieh
Reported 2019-07-28 21:40:56 PDT
<rdar://problem/52976965>
Attachments
Patch (30.01 KB, patch)
2019-07-28 22:48 PDT, Wenson Hsieh 		no flags
DetailsFormatted DiffDiff
Patch (29.92 KB, patch)
2019-07-28 22:54 PDT, Wenson Hsieh 		no flags
DetailsFormatted DiffDiff
Much simpler approach (5.93 KB, patch)
2019-07-29 07:52 PDT, Wenson Hsieh 		no flags
DetailsFormatted DiffDiff
Show Obsolete (2) View All Add attachment proposed patch, testcase, etc.
Wenson Hsieh
Comment 1 2019-07-28 22:48:54 PDT Comment hidden (obsolete)
Wenson Hsieh
Comment 2 2019-07-28 22:54:10 PDT Comment hidden (obsolete)
Maciej Stachowiak
Comment 3 2019-07-29 00:53:38 PDT
Comment on attachment 375062 [details] Patch Is there a way to make a test case for this fix?
Wenson Hsieh
Comment 4 2019-07-29 07:25:23 PDT
(In reply to Maciej Stachowiak from comment #3) > Comment on attachment 375062 [details] > Patch > > Is there a way to make a test case for this fix? It should be doable but…tricky, since the bug as-is relies on code in Safari. I’ll need to find a way to mock this either from layout tests, or API tests.
Wenson Hsieh
Comment 5 2019-07-29 07:52:30 PDT
Created attachment 375074 [details] Much simpler approach
Tim Horton
Comment 6 2019-07-29 11:41:16 PDT
Wenson is working on a test for a follow-up.
Wenson Hsieh
Comment 7 2019-07-29 11:41:52 PDT
Comment on attachment 375074 [details] Much simpler approach Thanks for the review! I’m working on a test right now, which I’ll land in a separate patch.
WebKit Commit Bot
Comment 8 2019-07-29 12:12:47 PDT
Comment on attachment 375074 [details] Much simpler approach Clearing flags on attachment: 375074 Committed r247914: <https://trac.webkit.org/changeset/247914>
WebKit Commit Bot
Comment 9 2019-07-29 12:12:48 PDT
All reviewed patches have been landed. Closing bug.
Wenson Hsieh
Comment 10 2019-07-29 15:27:54 PDT
(In reply to Wenson Hsieh from comment #7) > Comment on attachment 375074 [details] > Much simpler approach > > Thanks for the review! > > I’m working on a test right now, which I’ll land in a separate patch. => webkit.org/b/200245
Note You need to log in before you can comment on or make changes to this bug.