Thread 1 "Xorg" received signal SIGABRT, Aborted.
0x00007f9164071860 in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007f9164071860 in raise () at /usr/lib/libc.so.6
#1  0x00007f9164072ec9 in abort () at /usr/lib/libc.so.6
#2  0x00007f916406a0bc in __assert_fail_base () at /usr/lib/libc.so.6
#3  0x00007f916406a133 in  () at /usr/lib/libc.so.6
#4  0x000055a4248daa7f in dixRegisterPrivateKey (key=key@entry=0x7f915a206900 <glamor_pixmap_private_key>, type=type@entry=PRIVATE_PIXMAP, size=size@entry=104) at privates.c:385
#5  0x00007f9159fdd41a in glamor_init (screen=screen@entry=0x55a426d3c380, flags=flags@entry=1)
    at glamor.c:481
#6  0x00007f915a20f7ae in ScreenInit (pScreen=pScreen@entry=0x55a426d3c380, argc=argc@entry=0, argv=argv@entry=0x0) at driver.c:1612
#7  0x000055a4248bc6b0 in AddGPUScreen (pfnInit=
    0x7f915a20f370 <ScreenInit>, argc=argc@entry=0, argv=argv@entry=0x0) at dispatch.c:3967
#8  0x000055a42491bcbc in xf86platformAddDevice (index=<optimized out>) at xf86platformBus.c:657
#9  0x000055a424921711 in NewGPUDeviceRequest (attribs=<optimized out>) at lnx_platform.c:195
#10 0x000055a42491d86d in device_added (udev_device=udev_device@entry=0x55a426a5efc0)
    at udev.c:131
#11 0x000055a42491e1f0 in socket_handler (fd=<optimized out>, ready=<optimized out>, data=<optimized out>) at udev.c:362
#12 0x000055a424a228a1 in ospoll_wait (ospoll=0x55a426326180, timeout=<optimized out>)
    at ospoll.c:412
#13 0x000055a424a1b77b in WaitForSomething (are_ready=<optimized out>) at WaitFor.c:226
#14 0x000055a4248bc043 in Dispatch () at dispatch.c:422
#15 0x000055a4248c02e0 in dix_main (argc=8, argv=0x7ffc7a3dd758, envp=<optimized out>)
    at main.c:287
#16 0x00007f916405df4a in __libc_start_main () at /usr/lib/libc.so.6
#17 0x000055a4248a9f8a in _start ()

(gdb) frame 4
#4  0x000055a4248daa7f in dixRegisterPrivateKey (
    key=key@entry=0x7f915a206900 <glamor_pixmap_private_key>, type=type@entry=PRIVATE_PIXMAP,
    size=size@entry=104) at privates.c:385
385                 assert(!global_keys[type].created);
(gdb) l
380             offset = 0;
381         }
382         else {
383             /* Resize if we can, or make sure nothing's allocated if we can't */
384             if (!allocated_early[type])
385                 assert(!global_keys[type].created);
386             else if (!allocated_early[type] (dixReallocPrivates, bytes))
387                 return FALSE;
388             offset = global_keys[type].offset;
389             global_keys[type].offset += bytes;
(gdb) p global_keys[type]
$1 = {key = 0x55a424cc6a40 <dri2PixmapPrivateKeyRec>, offset = 48, created = 420, allocated = 0}
(gdb) up
#5  0x00007f9159fdd41a in glamor_init (screen=screen@entry=0x55a426d3c380, flags=flags@entry=1)
    at glamor.c:481
481         if (!dixRegisterPrivateKey(&glamor_pixmap_private_key, PRIVATE_PIXMAP,
(gdb) l
476             goto free_glamor_private;
477         }
478
479         glamor_set_screen_private(screen, glamor_priv);
480
481         if (!dixRegisterPrivateKey(&glamor_pixmap_private_key, PRIVATE_PIXMAP,
482                                    sizeof(struct glamor_pixmap_private))) {
483             LogMessage(X_WARNING,
484                        "glamor%d: Failed to allocate pixmap private\n",
485                        screen->myNum);
(gdb)
486             goto free_glamor_private;
487         }
488
489         if (!dixRegisterPrivateKey(&glamor_gc_private_key, PRIVATE_GC,
490                                    sizeof (glamor_gc_private))) {
491             LogMessage(X_WARNING,
492                        "glamor%d: Failed to allocate gc private\n",
493                        screen->myNum);
494             goto free_glamor_private;
495         }