Ubuntu 8.10 error XCBUnlockDisplay: Assertion `xcb_get_request_sent



Hello,

I have the next problem. When I launch some applications over Ubuntu
8.10, whose use OpenGL, I receive the following error:

xcb_lock.c:33: _XCBUnlockDisplay: Assertion
`xcb_get_request_sent(dpy->xcb->connection) == dpy->request' failed.

But the same applications, running over Ubuntu 6.06 work perfectly. And
if I try to launch them over Ubuntu 7.10, I get the next backtrace:

The error was 'BadLength (poly request too large or internal Xlib
length erro'.
(Details: serial 675311 error_code 16 request_code 74 minor_code 0)
(Note to programmers: normally, X errors are reported asynchronously;
that is, you will receive the error a while after causing it.
To debug your program, run it with the --sync command line
option to change this behavior. You can then get a meaningful
backtrace from your debugger if you break on the gdk_x_error() function.)

What kind of problem they are? Can anybody help me please? I've been
trying it for about two months ago.

Thanks. Kind regards,

Julio

--
Julio M. Vega Pérez | Universidad Rey Juan Carlos
Desp. 115 - Dep. II | C/Tulipán s/n - 28933
Grupo de Robótica | Móstoles (Madrid) - Spain
http://www.robotica-urjc.es | http://www.urjc.es


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