Closed Bug 867468 Opened 12 years ago Closed 12 years ago

firefox consumes 70% CPU while completely idle

Categories

(Firefox :: Untriaged, defect)

Product:
Firefox
Component:
Untriaged
Version:
12 Branch
Platform:
x86
Linux
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED INCOMPLETE

People

(Reporter: matteosistisette, Unassigned)

Details

User Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.63 Safari/537.31 Steps to reproduce: Opened Firefox, browsed a couple of web pages, then left it open with only a page open, which didn't have any javascript nor video nor NOTHING dynamic. Starting using other programs while Firefox stayed open, completely idle Actual results: after a while, Firefox started consuming about 70% CPU all the time, while doing nothing. I brought it to front, I opened a new tab with google.com, and closed the previously opened tab. Nothing changed; kept consuming 70% cpu doing nothing.
Can you name a reduced Set of Urls someone has to open/visit to reproduce the Issue?
Flags: needinfo?(matteosistisette)
No, I don't know of any set of urls that would reproduce this systenatically. This happened sporadically, apparently randomly, and as I said, after this started, I closed all tabs and left only a new freshly opened google.com tab. I experienced it no more than a couple of times.
Flags: needinfo?(matteosistisette)
did this happen after waking the computer from sleep?
(In reply to Wayne Mery (:wsmwk) from comment #3) > did this happen after waking the computer from sleep?
Flags: needinfo?(matteosistisette)
Whiteboard: [closeme 2013-12-01]
That's very likely, but I don't remember for sure. I almost always suspend my computer instead of turning it off, so almost certainly it _had_ been suspended at some time before this happened. I don't think this happened immediately after waking up however; more likely it was at some random time after waking up. Not sure, though
Flags: needinfo?(matteosistisette)
If you see it again, save your sessionstore.json file and also get a profile - tools | web developer | profile - start (click the clock to the left of "import" - wait a few minutes - stop click (click the clock again) - save (click save) - attach profile to bug report
Status: UNCONFIRMED → RESOLVED
Closed: 12 years ago
Resolution: --- → INCOMPLETE
Whiteboard: [closeme 2013-12-01]
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