Re: X, backingstore and opengl

[Jon TURNEY <jon dot turney at dronecode dot org dot uk>]

Angelo Graziosi wrote:
> Jon TURNEY wrote:
>
> > Ok, I've tried this and a few other things an I can't reproduce this, 
> > so I'd like your help to get a backtrace if you are willing:
> >
> > 1. Download http://www.dronecode.org.uk/cygwin/XWin.exe.bz2
> > (this is a build of XWin with debugging symbols)
> > 2. bunzip2.exe XWin.exe.bz2
> > 3. export CYGWIN="$CYGWIN error_start=gdb -nw %1 %2"
> > 4. ./XWin.exe -multiwindow -clipboard +bs
> > 5. Do what ever you do to reproduce the problem
> > 6. When a gdb window pops up, wait for the (gdb) prompt, then "thread 
> > apply all bt full"
> > 7. Mail me the output
>
> I have done the above, but the 'XWin.exe' you propose DOES NOT segfault!

Well, this is very confusing.

> However I note:
>
> 1. it has the icon of X11R6.99, not that of X11R7.4
>
> 2. with it, I have the keyboard layout problem described here [1], and
>    rebasing does not solve
>
> 3. with it not only ROOT, hsimple.C etc. work but the OpenGL demos work
>    without the workaround described here [2] (remember the OpenGL
>    problems here [3]).

I'm sorry, your our previous mail hadn't really made it clear to me that there 
was problem with glxgears etc.

Just for my comprehension, can you explain again what happens if you run 
glxinfo and glxgears on 1.5.3-4.

> 4. When I R-click on systray icon, mine 'XWin.exe', which comes from
>    [*], has a context menu with five items:

Don't worry about differences 1), 2) and 4), they are just artefacts of the 
quick way I made the test build.


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