On Fri, Jun 06, 2003 at 04:49:15PM -0700, Nathaniel Gray wrote:
> I'm resending this since it didn't seem to get any response on dri-user.
> Maybe it belongs on dri-devel.
>
[...]
> Program received signal SIGSEGV, Segmentation fault.
> 0x00000000 in ?? ()
> (gdb) bt
> #0 0x00000000 in ?? ()
> #1 0x40448a97 in radeonCreateContext (glVisual=0x804bcc8,
> driContextPriv=0x80539b8, sharedContextPrivate=0x0) at
> radeon_context.c:412
> #2 0x4034cffb in driCreateContext (dpy=0x804bcc8, vis=0x804e470,
> sharedPrivate=0x0, pctx=0x804fd9c, fbconfig=0xbffff030) at
> dri_util.c:1007
> #3 0x4006f7c8 in CreateContext () from /usr/X11R6/lib/libGL.so.1
> #4 0x4006f8e8 in glXCreateContext () from /usr/X11R6/lib/libGL.so.1
> #5 0x0804a3c6 in XOpenDisplay ()
> #6 0x0804a692 in XOpenDisplay ()
> #7 0x402067f7 in __libc_start_main () from /lib/i686/libc.so.6
This is a different problem than John Sheu and Jason Cook have been
experienced.
>From the BT above it seems that a null pointer is being called, but
looking to the caller code that situation seems to be perfectly
accounted:
rmesa->get_ust = (PFNGLXGETUSTPROC) glXGetProcAddress( "__glXGetUST" );
if ( rmesa->get_ust == NULL ) {
rmesa->get_ust = get_ust_nop;
}
-> (*rmesa->get_ust)( & rmesa->swap_ust );
Can anypody what's at fault here? Is the '*' in '*rmesa->get_ust'
necessary?
This code hasn't been changed in sometime, so the only plausible
explanation I can think of is some kind of compiler bug or something
like that...
Jos� Fonseca
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