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horizontal line appears on mouse click in title bar




7 years ago
6 years ago


(Reporter: Julo, Unassigned)


Windows XP

Firefox Tracking Flags

(Not tracked)



(2 attachments)



7 years ago
User-Agent:       Mozilla/5.0 (Windows NT 5.1; rv:2.0b10pre) Gecko/20110116 Firefox/4.0b10pre
Build Identifier: Mozilla/5.0 (Windows NT 5.1; rv:2.0b10pre) Gecko/20110116 Firefox/4.0b10pre

Horizontal line appears in title bar (screenshot) on mouse click under application button

Reproducible: Always

Steps to Reproduce:
1. click under app button circa in place where line appears on screenshot
Actual Results:  
unexpected horizontal line appears

Expected Results:  
no visual change

note: issue not present on every mouse click, however always present after window is maximized

Comment 1

7 years ago
Created attachment 504416 [details]
screenshot of issue

Comment 2

7 years ago
Mozilla/5.0 (Windows NT 6.1; rv:2.0b10pre) Gecko/20110117 Firefox/4.0b10pre

works for me. Please try if it works fine in safe mode or try by creating a new profile. 

Comment 3

7 years ago
I have no extensions installed, but tried again. Took near 1 day to catch issue again with new profile (nightly build updated in between).

Issue appears to appear quite seldom.


7 years ago
Version: unspecified → Trunk

Comment 4

7 years ago
Created attachment 522001 [details]
Screenshot of the bug

Screenshot of the bug attached.

Comment 5

7 years ago
Just clicking the title bar is enough for me to create this issue.

Comment 6

7 years ago
ftr: Troubleshooting Information / Graphics:

Adapter Description Intel(R) Q35 Express Chipset Family
Vendor ID 8086
Device ID 29b2
Adapter RAM Unknown
Adapter Drivers igxprd32
Driver Version
Driver Date 1-13-2010
Direct2D Enabled false
DirectWrite Enabled false (, font cache n/a)
WebGL Renderer(WebGL unavailable)
GPU Accelerated Windows 0/1

Comment 7

6 years ago
Reporter -> Are you still experiencing this issue with the latest version of Firefox 5? Does the issue occur with the latest nightly? http://nightly.mozilla.org/

Comment 8

6 years ago
Issue still present aurora channel (6.0a)

Comment 9

6 years ago
Please try updating your graphics driver and see if that helps - http://downloadcenter.intel.com/SearchResult.aspx?lang=eng&keyword=%22Intel+Q35+Express+Chipset%22 should get you to where you need to go

Comment 10

6 years ago
I believe I use latest one (5218, comment #6).
halukakin, what graphics HW/driver do you use (from Help-Troubleshooting Information)?

Comment 11

6 years ago
(In reply to comment #10)
> I believe I use latest one (5218, comment #6).
> halukakin, what graphics HW/driver do you use (from Help-Troubleshooting
> Information)?

This is a sony vaio VGN-FW-190 laptop.
I'm using the latest driver provided by sony.

Adapter Description: Mobile Intel(R) 4 Series Express Chipset Family
Vendor ID:8086
Device ID:2a42
Adapter RAM: Unknown
Adapter Drivers: igdumdx32 igd10umd32
Driver Version:
Driver Date: 6-3-2008
Direct2D Enabled: Blocked on your graphics driver. Try updating your graphics driver to version or newer.
DirectWrite Enabled: false (7.0.6002.18409, font cache n/a)
WebGL Renderer: (WebGL unavailable)
GPU Accelerated Windows: 0/1
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