#0  0xffffe424 in __kernel_vsyscall ()
#1  0x0085ac29 in ioctl () from /lib/libc.so.6
#2  0xb7c8452b in drmCommandWrite (fd=7, drmCommandIndex=5, data=0xbfb25308,
    size=4) at xf86drm.c:2305
#3  0xb7a6b84f in intelWaitIrq (intel=0x805b740, seq=65965) at intel_ioctl.c:95
#4  0xb7a66e64 in intel_fence_wait (private=0x805b740, cookie=65965)
    at intel_context.c:439
#5  0xb7c89249 in _fence_wait_internal (bufmgr_fake=0x808ac48,
    cookie=3216134920) at intel_bufmgr_fake.c:222
#6  0xb7c89b9d in dri_fake_reloc_and_validate_buffer (bo=0x83498e8)
    at intel_bufmgr_fake.c:885
#7  0xb7c89e7c in dri_fake_process_relocs (batch_buf=0x83498e8)
    at intel_bufmgr_fake.c:1069
#8  0xb7c88302 in dri_process_relocs (batch_buf=0x83498e8) at dri_bufmgr.c:123
#9  0xb7a51153 in _intel_batchbuffer_flush (batch=0x80843b8,
    file=0xb7c062c7 "intel_tris.c", line=128) at intel_batchbuffer.c:166
#10 0xb7a83f97 in intelWrapInlinePrimitive (intel=0x805b740)
    at intel_tris.c:128
#11 0xb7a84015 in intelExtendInlinePrimitive (intel=0x805b740, dwords=54)
    at intel_tris.c:141
#12 0xb7a89aa0 in intel_draw_quad (intel=0x805b740, v0=0xb2f512a8,
    v1=0x40046445, v2=0xb2f51284, v3=0xb2f512cc) at intel_tris.c:185
#13 0xb7a89d04 in intel_render_quad_strip_verts (ctx=0x805b740, start=10,
---Type <return> to continue, or q <return> to quit---
    count=20, flags=56) at ../../../../../src/mesa/tnl/t_vb_rendertmp.h:378
#14 0xb7b22682 in run_render (ctx=0x805b740, stage=0x809e50c)
    at tnl/t_vb_render.c:320
#15 0xb7b1968f in _tnl_run_pipeline (ctx=0x805b740) at tnl/t_pipeline.c:158
#16 0xb7a79949 in intelRunPipeline (ctx=0x805b740) at intel_tris.c:906
#17 0xb7b19bee in _tnl_draw_prims (ctx=0x805b740, arrays=0x808d440,
    prim=0x833efd4, nr_prims=3, ib=0x0, min_index=0, max_index=29)
    at tnl/t_draw.c:402
#18 0xb7b18ad7 in vbo_save_playback_vertex_list (ctx=0x805b740, data=0x8349084)
    at vbo/vbo_save_draw.c:220
#19 0xb7aab71c in execute_list (ctx=0x805b740, list=<value optimized out>)
    at main/dlist.c:5757
#20 0xb7aaea1a in _mesa_CallList (list=9) at main/dlist.c:6841
#21 0x08049902 in drawipers (depth=<value optimized out>,
    from=<value optimized out>) at ipers.c:449
#22 0x08049b5d in drawipers (depth=<value optimized out>,
    from=<value optimized out>) at ipers.c:513
#23 0x08049b51 in drawipers (depth=<value optimized out>,
    from=<value optimized out>) at ipers.c:512
#24 0x08049a31 in drawipers (depth=<value optimized out>,
    from=<value optimized out>) at ipers.c:482
#25 0x080498af in drawipers (depth=1, from=<value optimized out>)
    at ipers.c:441
---Type <return> to continue, or q <return> to quit---
#26 0x08049e90 in draw () at ipers.c:592
#27 0xb7f3307d in glutMainLoop () at glut_event.c:971
#28 0x0804ab8c in main (ac=1474660693, av=Cannot access memory at address 0x40046449
) at ipers.c:709