Bug#622553: xserver-xorg: Calling XFlush causes a crasch from XNextEvent under 64 bit squeeze

[Julien Cristau <jcristau@debian.org>]

Please always keep the bug report in cc.

On Wed, Apr 27, 2011 at 12:58:36 +0200, Leif Asbrink wrote:

> Hello Julien,
> 
> With some hesitation I changed my /etc/apt/sources.list
> to use sid instead of squeeze for my 64 bit installation.
> That way I got libx11-6=2:1.4.3-1 installed.
> 
> That has eliminated the bug:-) 
> 
> The application that has the problem under squeeze is Linrad:
> http://www.sm5bsz.com/linuxdsp/linrad.htm
> 
> I have a 32 bit sid installation on that same laptop. I made it
> as an upgrade from squeeze exactly as I now did with the 54 
> bit installation, but 32 bit sid does not work. When I try
> startx I just get a black screen with a mouse cursor on it.
> I can move the mouse cursor and CtrlAltF1 brings me back to 
> the terminal. This problem with sid was the reason I hesitated
> to upgrade the 64 bit squeeze to sid.
> 
[...]
> Can you tellme if/when the new libx11 will be introduced in
> squeeze?
> 
It won't.  A targetted fix might, if it can be tracked down and is
obvious enough to not cause regressions.

Cheers,
Julien