293372 - off-screen portion of scrollable page wrongly remains invisible until the window is resized

Status: RESOLVED DUPLICATE of bug 305975

(Core :: Layout, defect)

Description

[Sander]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; nl-NL; rv:1.7.7) Gecko/20050414 Firefox/1.0.3
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; nl-NL; rv:1.7.7) Gecko/20050414 Firefox/1.0.3

When no Firefox window is open whatsoever and you open Firefox, go directly to
http://www.rednet.nl/vision/articles/31 (paste in adres bar), the main text
stops where the visible portion of the screen stops. You can scroll down to
where the text _should_ be, but only the background color is visible.

However, when you change the size of the Firefox window (e.g. 'maximize') OR
visit a similar page without images in the text (like
http://www.rednet.nl/vision/columns/5) and after that visit the initial page
again, everything suddenly becomes visible.

Reproducible: Always

Steps to Reproduce:
1. Close all Firefox windows
2. Open Firefox
3. Enter http://www.rednet.nl/vision/articles/31 in the adres bar
4. Scroll down to where the main text suddenly stops
5. Resize the Firefox window slightly
6. See how everything becomes visible



Expected Results:  
Everything should be visible to begin with.

Comment 1

[Sander]

-update-
Since I posted this bug, I cannot reproduce it _always_, only now and then, 
sometimes by going to rednet.nl and using the menu on the right to navigate to 
the pages, sometimes directly. There seems to be no logic.

A friend has the same results.

Comment 2

[Sander]

Attachment: The error

Comment 3

[Sander]

Attachment: Corrected

Comment 4

[José Jeria]

Please attach a minimzed testcase showing the issue:
https://bugzilla.mozilla.org/attachment.cgi?bugid=293372&action=enter

Comment 5

[Sander]

I don't understand what you want me to attach.
(English is not my primary language)

(In reply to comment #4)
> Please attach a minimzed testcase showing the issue:
> https://bugzilla.mozilla.org/attachment.cgi?bugid=293372&action=enter

Comment 6

[Kai de Leeuw]

re comment 5:
http://www.mozilla.org/newlayout/bugathon.html#testcase

Comment 7

[Sander]

(In reply to comment #6)
Ah, tx

I don't have time for that atmo, will try so later.
Or feel free to try yourself.

Comment 8

[Boris Zbarsky [:bzbarsky]]

Is this a problem in a trunk build?  Testing layout bugs on branch is pretty
pointless....

Comment 9

[Sander]

Attachment: testcase

(In reply to comment #4)
> Please attach a minimzed testcase showing the issue:
> https://bugzilla.mozilla.org/attachment.cgi?bugid=293372&action=enter

I uploaded a testcase. The error still is in the release I just downloaded:
FireFox 1.0.6. The page is treated correctly by Opera and Internet Explorer.

Comment 10

[Boris Zbarsky [:bzbarsky]]

1.0.6 is a branch build....  In any case, this is a duplicate.

*** This bug has been marked as a duplicate of 305975 ***

Comment 11

[Sander]

(In reply to comment #10)
> 1.0.6 is a branch build....  In any case, this is a duplicate.
> 
> *** This bug has been marked as a duplicate of 305975 ***

Sorry, I didn't understand what trunk or branch builds are. I just - like a 
majority - downloaded the FireFox browser offered from the website, seen the 
same bug for many versions, and decided to mention it hoping it will be fixed.

I don't know if the patch for the duplicate bug fixes this one (not a 
programmer, can't try it), since there seems to be more to it then just % and 
px. 'Cause setting a margin changes the bug (see testcase source).

Comment 12

[Boris Zbarsky [:bzbarsky]]

> Sorry, I didn't understand what trunk or branch builds are.

Ah, sorry.  The 1.0.x Firefox builds are all using source from back in April
2004 with security fixes added.  That's the current stable branch (it's branched
off from the main development and is on its own).  The trunk are the current
active development builds, heading towards Firefox 1.5.

> I don't know if the patch for the duplicate bug fixes this one

It seems to, if I understood this bug correctly.  I think we'll have bug 305975
fixed in Firefox 1.5 beta 2, so if you would be willing to try that when it
comes out and check whether the issue you're seeing is indeed fixed, that would
be much appreciated.

Comment 13

[Sander]

(In reply to comment #12)
Ah, thanks for the explanation.
(Didn't realize the branched version was actually rather old.)

> It seems to, if I understood this bug correctly.  I think we'll have bug 
305975
> fixed in Firefox 1.5 beta 2, so if you would be willing to try that when it
> comes out and check whether the issue you're seeing is indeed fixed,

Sure, I'll check back later if a new version fixed it.