Closed
Bug 1276311
Opened 8 years ago
Closed 8 years ago
Short UI freezes
Categories
(Firefox :: Untriaged, defect)
Tracking
()
RESOLVED
INVALID
People
(Reporter: sander.vandemoortel, Unassigned)
Details
(Keywords: perf)
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:46.0) Gecko/20100101 Firefox/46.0 Build ID: 20160502172042 Steps to reproduce: It seems to randomly occur, but I am mostly working in Wordpress admin panels and developing my own websites which use jQuery. With a fresh start of Firefox, the freezing isn't there. But after a while it comes back. Closing tabs does not help. Actual results: Firefox works normally, but every x seconds, the UI will hang for a second, causing interruptions in scrolling, in text typing, in right click menus, .. in short: the entire UI hangs for a second. Expected results: UI should run smoothly, bit like butter
Comment 1•8 years ago
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Sander, to narrow down the problem, could you please try the following? 1) Test in a clean profile https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles 2) Test in Safe Mode https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode 3) Disable hardware acceleration https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems#w_turn-off-hardware-acceleration 4) Try to get a stack trace from hung Firefox on Windows https://developer.mozilla.org/en-US/docs/How_to_Report_a_Hung_Firefox Please post back the results.
Quite strangely, while having suffered from it for the better part of 6 months, I haven't experienced this issue since I did a few things. First was to disable hardware acceleration as I was getting black artefacts. A second was to scale down my Win10 UI scaling from 150% (recommended) to 125%. Now I don't have time to test all various configurations, but if the bug shows up again later despite these new conditions, I will post here.
Comment 3•8 years ago
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Based on the previous comment I'm setting this as Worksforme. Sanger, please don't hesitate to reopen it if the issue is back and reproducible.
Status: UNCONFIRMED → RESOLVED
Closed: 8 years ago
Resolution: --- → WORKSFORME
It is back and -for me- reproducible. It always happens when having (several tabs with) Wordpress' Admin page open. After a bit of changing settings and content, the FF ui will start to lag. Closing these tabs will not help: the UI continues to lag and stutter until the browser is restarted.
Also goes for having the Squarespace editor open. After a while it will start freezing intermittently
Comment 6•8 years ago
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Sander, since the issue is back and reproducible, the information required in Comment 1 is still valuable and necessary if we want to track down the cause of this issue. Could you please test the other configurations and post here the results?
Flags: needinfo?(sander.vandemoortel)
Comment 7•8 years ago
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(In reply to Simona B [:simonab](PTO) from comment #6) > Sander, since the issue is back and reproducible, the information required > in Comment 1 is still valuable and necessary if we want to track down the > cause of this issue. > > Could you please test the other configurations and post here the results?
Keywords: perf
Whiteboard: [closeme 2016-08-11]
Comment 8•8 years ago
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Sander, are you still experiencing this issue? Any updates? (Please see Comment 6)
Unfortunately yes, heavily so. Seems to have something to do with a JavaScript running on FB. Firefox will even show a windows title bar (even though there normally isn't one in FF anymore) during the longer of these freezes. However, I'm too busy to install and run all kinds of logging software at the moment... :/
Comment 10•8 years ago
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I am experiencing lots of short hitches in Nightly (51.0a1 (2016-08-16)). I've tried a fresh profile as well as safe mode and disabling hw accel, no luck there. Running under Windows 10 Pro / 10586. I can go into about:memory and run garbage collection which resolves the issue for a short time, but some pages (heavy jquery usage) will trigger the issue again.
Reporter | ||
Comment 11•8 years ago
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Ok this is starting to drive me insane, yet I don't quite want to give up on Firefox yet. What exactly do I need to do to report this kind of behaviour? Will using "analyse" on the Gecko Profiler work? PS I'm using a Dell XPS 9350 with Skylake processor. It kind of feels like it's not managing the processor properly, so maybe this info helps? PPS When the connection isn't very stable, I also get Facebook rendering my entire browser unresponsive for several seconds at a time. Sometimes it will ask me to stop executing a javascript, sometimes it will just resume. But most of all it makes my browsing experience extremely unpleasant. To the point where I've started using Edge by the side. Can you imagine how desperate I am?
Comment 12•8 years ago
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(In reply to Sander Van de Moortel from comment #11) > Ok this is starting to drive me insane, yet I don't quite want to give up on > Firefox yet. What exactly do I need to do to report this kind of behaviour? > Will using "analyse" on the Gecko Profiler work? https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Reporting_a_Performance_Problem
Reporter | ||
Comment 13•8 years ago
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OK here's a log from when Facebook rendered the entire browser unresponsive with a script. I think that's what it is, because I have no idea of how to use the profiler. https://cleopatra.io/#report=235ca8a5ffd5f6a53b6976a75442482bc3f606fd This isn't exactly what I meant by short UI freezes, as these essentially are pretty long (several seconds). But they may be related/similar?
Comment 14•8 years ago
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I'm having UI Freezes on Windows 10 as well sometimes apparentely random but often when Laptop was in standby/energy saving/hibernate.
Comment 15•8 years ago
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As of a few days ago, Nightly no longer shows symptoms for me, so my issue is resolved. There may be other problems with heavy sites still, but the intermittent hitching regardless of windows open is resolved.
Comment 16•8 years ago
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Olli, could you please take a look on the Cleopatra profile from comment 13? Is there anything useful? Should Sander try to catch a new one?
Flags: needinfo?(bugs)
Comment 17•8 years ago
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Sander, tons of time is spent in and under "Perapera Chinese". That seems to be some addon. It seems to run some heavy javascript. Could you try to disable it?
Flags: needinfo?(bugs)
Comment 18•8 years ago
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(In reply to Olli Pettay [:smaug] from comment #17) > Sander, tons of time is spent in and under "Perapera Chinese". That seems to > be some addon. Indeed https://addons.mozilla.org/en-US/firefox/addon/perapera-kun-chinese-popup-tra/ Something wrong with it.
Status: UNCONFIRMED → RESOLVED
Closed: 8 years ago → 8 years ago
Resolution: --- → INVALID
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Description
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