System environment:
-- chipset: 945GM
-- system architecture: i686
-- xserver-xorg-video-intel: 2:2.8.1-1ubuntu1
-- xserver-common: 2:1.6.3-1ubuntu4
-- xserver: 1.6.3
-- mesa: f6dff92c9b6dd478d6486865bdc57dd284531f57 (master)
-- libdrm: 2.4.13
-- kernel version: 2.6.31-9-generic
-- Linux distribution: Ubuntu 9.10
-- Machine or mobo model: Macmini1,1

(gdb) bt
#0  0x00000000 in ?? ()
#1  0x010572ae in st_BeginQuery (ctx=0x8c7cd18, q=0x8caf368) at state_tracker/st_cb_queryobj.c:103
#2  0x01013a8b in _mesa_BeginQueryARB (target=35092, id=1) at main/queryobj.c:294
#3  0x08049fca in do_test ()
#4  0x0804a19f in Redisplay ()
#5  0x00e3f5bb in ?? () from /usr/lib/libglut.so.3
#6  0x08c39dd8 in ?? ()
#7  0x00000000 in ?? ()
(gdb) frame 1
#1  0x010572ae in st_BeginQuery (ctx=0x8c7cd18, q=0x8caf368) at state_tracker/st_cb_queryobj.c:103
103		 stq->pq = pipe->create_query( pipe, PIPE_QUERY_OCCLUSION_COUNTER );
(gdb) print pipe->create_query
$1 = (struct pipe_query *(*)(struct pipe_context *, unsigned int)) 0