[Xcb] xcb-render-util crashs

[Barton C Massey]

I've long since forgotten how extension startup works in
XCB.  I'm hoping Jamey or Josh will field this one?

	Bart

In message <20081117125946.GB20544 at abydos.adm.naquadah.org> you wrote:
> At 1225356671 time_t, Julien Danjou wrote:
> > I've discovered that cairo crashes on X server not supporting RENDER.
> > (in this case, vnc4server).
> >=20
> > In fact as soon as xcb-render-util sends a query version requests,
> > xcb_connection_t get erroneous, so everything crash then.
> >=20
> > The affected code is in cache.c:find_or_create_display()
> >=20
> > 152     version_cookie =3D xcb_render_query_version(c, 0, 10);=20
> > 153     formats_cookie =3D xcb_render_query_pict_formats(c);=20
> > 154     xcb_flush(c);=20
> >=20
> > when xcb_render_util_query_version(c) is called.
> >=20
> > I've no real clue how to correctly fix that, and I'd appreciate a hint.
> > I wonder if this is really normal[1] and if
> > xcb_render_util_query_version should simply chek for extension presence
> > before.
> >=20
> > [1] Well I know I had the same problem in awesome with Xinerama, and I
> > do check for extension presence before asking for version.
> 
> Any one?
> 
> --=20
> Julien Danjou
> // =E1=90=B0 <julien at danjou.info>   http://julien.danjou.info
> // 9A0D 5FD9 EB42 22F6 8974  C95C A462 B51E C2FE E5CD
> 
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