Here is my homework:

Here info about xournal:

dmg@phosphorus:~$ dpkg  -S `which xournal`
xournal: /usr/bin/xournal

dmg@phosphorus:~$ dpkg --list xournal
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  xournal        0.4.5-2ubuntu1 GTK+ Application for note taking




On Sat, May 7, 2011 at 11:04 AM, Denis Auroux <aur...@math.mit.edu> wrote:
> All right. Homework for Gautam and Daniel:
>
> - does the bug manifest itself more/less at different zoom levels, or
> for different window sizes? (especially: if you zoom in enough so that
> the first page covers the entire screen, vs. if part of the gray border
> around the page is visible)

The  bug is there at different sizes of windows, and different zoom levels.

>
> - what distribution do you use? what version of libgnomecanvas?

I am using ubuntu 11.04 (fresh install)

dmg@phosphorus:~$ dpkg --list  | grep libgnomecanvas
ii  libgnomecanvas2-0                         2.30.3-0ubuntu1
                  A powerful object-oriented display - runtime files
ii  libgnomecanvas2-common                    2.30.3-0ubuntu1
                  A powerful object-oriented display - common files


> - does the version of libgnomecanvas packaged by your distribution
> include the infamous "no-tearing" patch? Does recompiling and installing
> a standard libgnomecanvas version from ftp.gnome.org solve the problem?
> (e.g., version 2.20.1.1 or older?)

I am attaching the diff from the GNOME version and the one installed.
I have not tried to compile it, but I will later today.


>
> Sporadic display refresh bugs in xournal are 99.9% likely to be caused
> by libgnomecanvas.
>
> Best,
> Denis
>
>
> On 05/07/2011 10:58 AM, dmg wrote:
>> This might or might not be related.
>>
>> I installed Ubuntu 11.04 on an X61T and xournal in some cases the
>> strokes are not displayed
>> when created (but they are saved). Only when the page is refreshed.
>>
>> I didn't really look much into it, but it was odd, given that I use in
>> Ubuntu 10.10.
>>
>> --dmg
>>
>> On Sat, May 7, 2011 at 10:53 AM, Andreas Butti<andreasbu...@gmail.com>  
>> wrote:
>>> Did you start Xournal before or after rotating the screen?
>>>
>>> Try out if there is a difference...
>>>
>>>
>>> Which Version of Xournal are you using?
>>>
>>>
>>> Andreas
>>>
>>> Am 07.05.2011 19:48, schrieb Gautam Iyer:
>>>> Hi All,
>>>>
>>>> When my display is rotated, I find that the drawing of regular strokes
>>>> (not PDF backgrounds) is delayed. That is, if I move the pen to
>>>> the right by one inch, it takes a second for me to see the stroke
>>>> appear.
>>>>
>>>> This problem is not present when the display is not rotated. Also, if I
>>>> open GIMP/Inkscape, then there is no delay drawing at all.
>>>>
>>>> I should mention that the delayed drawing is present even when I try and
>>>> draw with a mouse. I tried recompiling with ENABLE_XINPUT_BUGFIX
>>>> enabled/disabled and it has no effect.
>>>>
>>>> Does anyone else have a similar problem? Any idea what I can do to fix
>>>> it?
>>>>
>>>> Thanks,
>>>>
>>>> GI
>>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
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>>> _______________________________________________
>>> Xournal-devel mailing list
>>> Xournal-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/xournal-devel
>>>
>>>
>>
>>
>>
>
>
> --
> Denis Auroux
> MIT Department of Mathematics           aur...@math.mit.edu
>    (on leave) and
> University of California, Berkeley      aur...@math.berkeley.edu
> Department of Mathematics               Tel: 510-642-4367
> 817 Evans Hall # 3840                   Fax: 510-642-8204
> Berkeley, CA 94720-3840
>
> ------------------------------------------------------------------------------
> WhatsUp Gold - Download Free Network Management Software
> The most intuitive, comprehensive, and cost-effective network
> management toolset available today.  Delivers lowest initial
> acquisition cost and overall TCO of any competing solution.
> http://p.sf.net/sfu/whatsupgold-sd
> _______________________________________________
> Xournal-devel mailing list
> Xournal-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/xournal-devel
>
>



-- 
--dmg

---
Daniel M. German
http://turingmachine.org

Attachment: diff
Description: Binary data

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