Thanks to Cyril Brulebois, I was able to get a (hopefully) useful back-
trace from gdb. Attaching to avoid word-wrap borkage.
--
========================================================================
Ian Pilcher arequip...@gmail.com
"If you're going to shift my paradigm ... at least buy me dinner first."
========================================================================
#0 prepare_wm_surfaces (brw=0x2cd33c0) at brw_wm_surface_state.c:602
rb = 0x2c2d8a0
irb = <optimized out>
region = 0x0
ctx = 0x2cd33c0
i = <optimized out>
nr_surfaces = <optimized out>
#1 0x00007f653c0e6116 in brw_validate_state (brw=0x2cd33c0) at
brw_state_upload.c:397
atom = <optimized out>
ctx = 0x2cd33c0
intel = 0x2cd33c0
state = 0x2cea2d0
i = <optimized out>
atoms = <optimized out>
num_atoms = 41
#2 0x00007f653c0d55cd in brw_try_draw_prims (max_index=<optimized out>,
min_index=<optimized out>, ib=0x0, nr_prims=1, prim=0x2c63f04,
arrays=0x2c657e8, ctx=0x2cd33c0) at brw_draw.c:362
hw_prim = 6
brw = 0x2cd33c0
retval = <optimized out>
warn = <optimized out>
first_time = 0 '\000'
i = <optimized out>
intel = 0x2cd33c0
#3 brw_draw_prims (ctx=0x2cd33c0, arrays=0x2c657e8, prim=0x2c63f04,
nr_prims=1, ib=0x0, index_bounds_valid=<optimized out>,
min_index=0, max_index=3) at brw_draw.c:447
retval = 0 '\000'
#4 0x00007f653c1c0b93 in vbo_exec_vtx_flush (exec=0x2c63c20, unmap=1 '\001')
at vbo/vbo_exec_draw.c:381
ctx = 0x2cd33c0
#5 0x00007f653c1be90c in vbo_exec_FlushVertices_internal (ctx=<optimized out>,
unmap=<optimized out>) at vbo/vbo_exec_api.c:911
exec = 0x2c63c20
#6 0x00007f653c1beb0a in vbo_exec_FlushVertices (ctx=<optimized out>, flags=1)
at vbo/vbo_exec_api.c:945
exec = 0x2c63c20
#7 0x00007f653c1810cb in _mesa_set_scissor (ctx=0x2cd33c0, x=3279,
y=<optimized out>, width=<optimized out>, height=<optimized out>)
at main/scissor.c:75
No locals.
#8 0x00007f653d5290b9 in __glXDisp_Render (cl=<optimized out>, pc=<optimized
out>) at glxcmds.c:2000
entry = {bytes = 20, varsize = 0}
proc = 0x7f653d507cd0 <__glXDisp_Scissor>
err = 0
req = <optimized out>
client = 0x2c1bae0
left = <optimized out>
cmdlen = 20
error = <optimized out>
commandsDone = <optimized out>
opcode = <optimized out>
hdr = 0x53e09ac
glxc = 0x2c2db90
sw = <optimized out>
#9 0x00007f653d52b831 in __glXDispatch (client=0x2c1bae0) at glxext.c:583
rendering = <optimized out>
stuff = 0x53e0848
opcode = <optimized out>
proc = 0x7f653d529000 <__glXDisp_Render>
cl = 0x2c1bbf8
retval = <optimized out>
#10 0x000000000042ebd1 in Dispatch () at dispatch.c:431
clientReady = 0x2bf8f40
result = <optimized out>
client = 0x2c1bae0
nready = 0
icheck = 0x7e34f0
start_tick = 1760
#11 0x0000000000422e5a in main (argc=<optimized out>, argv=0x7fffbe6f4ef8,
envp=<optimized out>) at main.c:287
i = <optimized out>
alwaysCheckForInput = {0, 1}
A debugging session is active.
Inferior 1 [process 12799] will be detached.
Quit anyway? (y or n) Detaching from program: /usr/bin/Xorg, process 12799
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