System Environment:
--------------------------
Arch:             x86_64
Platform:         Ivybridge
Libdrm:		(master)libdrm-2.4.42-4-g41fc2cc8a98a8d02ea7d3635d3103f7dd371de10
Mesa:		(master)0486d503209cf375ae77456336742774b12eda02
Xserver:(master)xorg-server-1.13.99.902-5-g90642948cc78834d95f7a3bddaac7ff77b68ed7e
Xf86_video_intel:(master)2.21.3-14-ga19da0ea517127052ae49cdd6441e8b6077ca523
Cairo:		(master)7658eced9a45f42033c2b0b45cee70f6edb6ff20
Libva:		(staging)8abb2b3dc9b122272d1e26a90cbf68f76d3aba8a
Libva_intel_driver:(staging)b3139d1a278d9daac40987f0a99c2a797c0db988
Kernel:	(drm-intel-nightly) 15caa9b2bad16e0d4bf8c203dcc8325b1894ad09

Bug detailed description:
-------------------------
It fails on sandybridge andivybridge with mesa master branch, It doesn't happen on 9.0 branch.

Bisect shows:
The first bad commit could be any of:
32f322925592e9eeda6a5624c7320232fc170c03
514f8c7ec7cc1ab18be93cebb5b9bf970b1955a9
f09d77b2af0e6e7553a1e2efca2f12fe2e4dcea8
22233da1ee4b59663966169759960c00c033d0e9

output:
Intel OpenGL Conformance Test
Version ENG (Feb 25 2013 14:48:34)

CLI options echo:
oglconform -ctx 3.1 -suite all -v 2 -test ubo-usage advanced.vbo_as_ubo

Window will be recreated 12 times.
  Window 0 will run 1 testcases on config with id 131.
  Window 1 will run 1 testcases on config with id 127.
  Window 2 will run 1 testcases on config with id 109.
  Window 3 will run 1 testcases on config with id 105.
  Window 4 will run 1 testcases on config with id 132.
  Window 5 will run 1 testcases on config with id 110.
  Window 6 will run 1 testcases on config with id 125.
  Window 7 will run 1 testcases on config with id 103.
  Window 8 will run 1 testcases on config with id 128.
  Window 9 will run 1 testcases on config with id 106.
  Window 10 will run 1 testcases on config with id 126.
  Window 11 will run 1 testcases on config with id 104.
Total of 12 testcases will be executed.

Setup Report.
    Verbose level = 2.
    Path inactive.

Visual Report for ID 131 (32 bits).
ID      |ACCELERA|DB      |REND_T  |SURF_T  |C_BUF_T |BUF_S   |RED_S   |
     131|       1|       1|      gl|  wipbpx|    rgba|      32|       8|

GREEN_S |BLUE_S  |ALPHA_S |DEPTH_S |STENC_S |ACCUM_S |SPL_BUF |SAMPLES |
       8|       8|       8|      24|       8|       0|       0|       0|

SRGB    |TEX_RGB |TEX_RGBA|CAVEAT  |SWAP    |M_PBUF_W|M_PBUF_H|M_PBUF_P
       0|       0|       0|    none|   undef|       0|       0|       0

OpenGL Report.
    Vendor - 'Intel Open Source Technology Center'
    Renderer - 'Mesa DRI Intel(R) Ivybridge Desktop '
    Version - '3.1 (Core Profile) Mesa 9.2-devel (git-0486d50)' (3.1)
    GLSL Version - '1.40'
    Context Flags - None

>> Uniform Buffer Object - usage (ubo-usage)  test:
--> 2.3 - advanced.vbo_as_ubo subcase:
Segmentation fault (core dumped)

(gdb) bt
#0  0x000000000126c908 in (anonymous namespace)::ADVANCED_VBO_AS_UBO::exec() ()
#1  0x0000000001268ca6 in UBOUsageExec(testParameters*) ()
#2  0x0000000001834929 in callFunctionHandleExceptionsInner(long (*)(testParameters*), testParameters*, char*) ()
#3  0x0000000001834a7f in callFunctionHandleExceptions(long (*)(testParameters*), testParameters*) ()
#4  0x0000000001833711 in DriverExec(long (*)(testParameters*), testParameters*) ()
#5  0x000000000176a255 in Driver(std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, std::vector<driverRec*, std::allocator<driverRec*> > const&, std::vector<boost::shared_ptr<PrePostTestAction>, std::allocator<boost::shared_ptr<PrePostTestAction> > > const&, std::vector<boost::shared_ptr<PrePostTestcaseAction>, std::allocator<boost::shared_ptr<PrePostTestcaseAction> > > const&) ()
#6  0x000000000176ad08 in (anonymous namespace)::MyMessagePump::idle() ()
#7  0x000000000173c5c0 in MessagePump::process_messages() ()
#8  0x0000000001769314 in ExecutionManager::execute_schedules() ()
#9  0x0000000001708eef in tkShellExecute(std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&, std::vector<std::pair<std::string, std::string>, std::allocator<std::pair<std::string, std::string> > > const&) ()
#10 0x0000000000428795 in main ()

Reproduce steps:
----------------
1. xinit
2. ./oglconform -ctx 3.1 -suite all -v 2 -test ubo-usage advanced.vbo_as_ubo