Bug#597717: iceweasel: incorrect redraw when scrolling a "View Page Source" window

[Mike Hommey]

On Wed, Sep 22, 2010 at 03:00:57PM +0200, Vincent Lefevre wrote:
> Package: iceweasel
> Version: 3.5.13-1
> Severity: minor
> 
> When choosing "View Page Source" and scrolling downwards with the
> mouse wheel, the redraw is sometimes incorrect: some lines (in the
> sense lines of pixels) contain incorrect data (probably because
> some parts of the window have not been redrawn, but I'm not sure).
> 
> This is not very hard to reproduce here, but it can take several
> dozens of seconds. I don't know the conditions, but it seems that
> the lower part of the window should be off-screen. Also this should
> be tried just after a page reload (it seems that if the source was
> already displayed correctly, the problem is more difficult to
> reproduce).
> 
> Once I do any operation involving the window manager (fvwm), the
> window is redisplayed correctly. That's why I can't provide a
> screenshot.

Are you using the fglrx X driver ? If yes, please try setting the
MOZ_CAIRO_BUGGY_REPEAT environment variable to 1.

Mike