Closed Bug 341099 Opened 16 years ago Closed 16 years ago

Microsummaries cause memory leak and slowdown when no network connection is present


(Firefox Graveyard :: Microsummaries, defect, P2)

2.0 Branch


(Not tracked)

Firefox 2 beta2


(Reporter: bugzilla, Assigned: myk)



(Keywords: fixed1.8.1, memory-leak)

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1a3) Gecko/20060609 BonEcho/2.0a3
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1a3) Gecko/20060609 BonEcho/2.0a3

I'm a dialup user, and often after disconnecting and being away from the computer for a while I've returned to find that Firefox has leaked memory and is somewhat slower. Most noticeable is jerkiness when scrolling over links (I have smoothscroll turned on). 

Reproducible: Always

Steps to Reproduce:
1. Have one or more microsummaries on your bookmark toolbar (I have the Word of the Day one from
2. Restarting the browser after adding the microsummary may be necessary.
2. Disable your network connection.
3. Leave computer for about an hour

Actual Results:  
Return to find Firefox has leaked memory and is slower, as described above. After about two hours I had FF go from about 30MB to 110MB memory usage, but the slowdown is what made me notice this.

Expected Results:  
No memory leak

I can only reproduce this when I have a microsummary present AND I'm disconnected from the net. It is reproducible in safe mode. When I'm disconnected, the 'Work Offline' menu item is NOT checked. I know there has been an Auto Offline feature added, I don't know how that works or if it is related.
Version: unspecified → 2.0 Branch
Flags: blocking-firefox2?
Keywords: mlk
The fix I'm working on for bug 339543 might also fix this.
myk, can you reproduce this?
Assignee: nobody → myk
I haven't reproduced this yet, but I'm going to leave Firefox running without a network connection overnight tonight to see if I can.  Then I'll try again with my patch for bug 339543 applied.
Confirmed.  Also, I've confirmed that the fix for bug 339543 also fixes this bug.  Making this one depend on that one.
Depends on: 339543
Ever confirmed: true
Flags: blocking-firefox2? → blocking-firefox2+
OS: Windows XP → All
Priority: -- → P2
Hardware: PC → All
Whiteboard: [swag: 0.0d]
Target Milestone: --- → Firefox 2 beta1
Target Milestone: Firefox 2 beta1 → Firefox 2 beta2
Fixed by the checkin for bug 339543.
Whiteboard: [swag: 0.0d]
Closed: 16 years ago
Resolution: --- → FIXED
Component: Bookmarks → Microsummaries
Keywords: fixed1.8.1
Product: Firefox → Firefox Graveyard
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