F13: Firefox 3.6.13 seems flaky with thumb wheel?

[Daniel B. Thurman]

On 12/28/2010 09:36 AM, Daniel B. Thurman wrote:
> On 12/28/2010 09:23 AM, Daniel B. Thurman wrote:
>> On 12/28/2010 01:26 AM, Tim wrote:
>>> On Mon, 2010-12-27 at 20:39 -0800, Daniel B. Thurman wrote:
>>>> I noticed that F13, Firefox v3.6.13 seems to have
>>>> trouble with the thumb-wheel as it is supposed to
>>>> scroll the page up or down, but instead, changes
>>>> to the previous or next page.  Does anyone have
>>>> this problem?
>>> Do you have a shift key stuck down?  The mouse wheel can do different
>>> things with the browser, depending on the keyboard modifiers.
>> Well, it is not a static issue, the problem is intermittent.  I do get
>> page up/down but if you "flip" the wheel up or down quickly (fast
>> scroll), then the page jumps - it is very annoying.  I cannot rely
>> on the as of the last FF or something updated recently that affected
>> the thumb-wheel behaviour.  I cannot put my finger on what the
>> problem is... (pun intended)
>>
> Uh oh...
>
> I guess it is not application specific...  in fact, I get this strange
> behaviour
> even with other applications that support panes and scrollbars.
>
> If using Thunderbird, I notice that when I have an opened  email message,
> moving the mouse over to the "All Folders" pane on the left column,
> scrolling
> down to the bottom of the list (has a scrollbar) and keep scrolling fast
> (even
> when there is no more to scroll), changes the focus from the "All
> Folders" pane
> the opened email message pane sometimes back.  It seems as if the mouse
> driver is getting mixed events somehow.
>
> How do I debug/resolve this sort of issue
Ok, I get it.  It seems to be restricted to Mozilla apps, that is,
Firefox and Thunderbird.  I tried other applications (Nautilus,
Python, GTK, Qt)) to see if I get the same thumb-wheel anomalies
and I am not.  Hope this narrows down the problem...