[Mono-winforms-list] X11 Scrolling Regressions

Ivan N. Zlatev contact at i-nz.net
Wed Jun 4 14:08:26 EDT 2008

On Wed, Jun 4, 2008 at 7:04 PM, Ernesto <equistango at gmail.com> wrote:
> Ivan N. Zlatev escribió:
>> On Wed, Jun 4, 2008 at 6:01 PM, Ernesto <equistango at gmail.com> wrote:
>>> Ivan N. Zlatev escribió:
>>>> We have two scrolling regressions on X11:
>>>> 1) Carlos, your X11 changes cause the first. Check the attached test
>>>> case grab: the scrollbar and scroll up/down fast. You will notice that
>>>> we seem not to redraw properly. I can reproduce this with any
>>>> scrollable control.
>>>> 2) Scrolling with the scrollbar's scroll buttons makes it flicker like
>>>> mad during scrolling. It doesn't happen if I scroll by dragging the
>>>> bar.
>>>> Cheers,
>>>> Ivan
>>> Maybe this stack trace helps. I'm getting dozens of this when running a
>>> winforms app:
>>> X11 Error encountered:
>>> Error: BadWindow (invalid Window parameter)
>>> Request:     3 (0)
>>> Resource ID: 0x0
>>> Serial:      399
>>> Hwnd:        <null>
>>> Control:     <null>   at System.Environment.get_StackTrace() in
>>> ...
>> I do not get such errors here. What's your system? 32bit opensuse 10.3 here.
> 64-bit Fedora 9. I started to see those errors after I pulled svn
> yesterday.
> They seem to be related to scroll, that's why I brought this up. The app
> runs anyway (just very slow, because of the dumps I guess).

This is something 64bit specific then. File a bug clearly marked as
64bit one and with a test case and the stacktrace so that it can get
looked into at some point.


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