1360042 - 3.02ms uninterruptible reflow at permitUnload@chrome://global/content/bindings/remote-browser.xml:357:13

Status: RESOLVED INCOMPLETE

(Firefox :: General, defect)

Description

[Hazel Ward]

Here's the stack:

permitUnload@chrome://global/content/bindings/remote-browser.xml:357:13
_beginRemoveTab@chrome://browser/content/tabbrowser.xml:2705:46
removeTab@chrome://browser/content/tabbrowser.xml:2632:18
closeTab@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/tabs/utils.js:168:12
close@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/tabs/tab-firefox.js:163:5
extendTab/tab.stopAndClose@resource://gre/modules/commonjs/toolkit/loader.js -> resource://jid0-rvyt2rgwfm8q5ywxixahyaeo5qg-at-jetpack/lib/tabsManager.js:178:3
manageUniqTab@resource://gre/modules/commonjs/toolkit/loader.js -> resource://jid0-rvyt2rgwfm8q5ywxixahyaeo5qg-at-jetpack/lib/duplicateTabManager.js:82:6
filterDuplicateTabs@resource://gre/modules/commonjs/toolkit/loader.js -> resource://jid0-rvyt2rgwfm8q5ywxixahyaeo5qg-at-jetpack/lib/duplicateTabManager.js:102:8
searchDuplicateTabs@resource://gre/modules/commonjs/toolkit/loader.js -> resource://jid0-rvyt2rgwfm8q5ywxixahyaeo5qg-at-jetpack/lib/duplicateTabManager.js:109:2
closeDuplicateTabs@resource://gre/modules/commonjs/toolkit/loader.js -> resource://jid0-rvyt2rgwfm8q5ywxixahyaeo5qg-at-jetpack/lib/duplicateTabManager.js:128:38
initialize/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://jid0-rvyt2rgwfm8q5ywxixahyaeo5qg-at-jetpack/lib/panelManager.js:52:52
emitOnObject@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/event/core.js:110:7
emit@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/event/core.js:86:38
portEmit@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/content/sandbox.js:359:7
emitOnObject@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/event/core.js:110:7
emit@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/event/core.js:86:38
onContentEvent/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/content/sandbox.js:400:5
delay/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/lang/functional/concurrent.js:39:20
notify@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/commonjs/sdk/timers.js:40:9

Comment 1

[Mike Conley (:mconley) (:⚙️)]

I'm afraid what's happening here is that we're spinning a nested event loop, and then some native code somewhere is causing the flush. Nothing actionable in here, I'm afraid.