[Bug 89118] New: [SKL]many Ogles3conform cases core dumped

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89118

            Bug ID: 89118
           Summary: [SKL]many Ogles3conform cases core dumped
           Product: Mesa
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: ben at bwidawsk.net, kaveh.nasri at intel.com,
                    krh at bitplanet.net

System Environment:
--------------------------
Platform: SKL
Libdrm:        
(master)libdrm-2.4.59-8-gccbb9aa887f992359335ecf2d26919b04e14e63f
Mesa:           (master)345e8cc8496b4e6c56105c7396e80d85a37e122c
Xserver:         (master)xorg-server-1.17.0
Xf86_video_intel:
(master)2.99.917-100-g5b033d638bbf2c0b841088ca75f9eb8de5852cb5
Libva:          (master)f9741725839ea144e9a6a1827f74503ee39946c3
Libva_intel_driver:  (master)9a20d6c34cb65e5b85dd16d6c8b3a215c5972b18
Kernel:   (drm-intel-nightly)b4442ee4e150506cebeee72249efc566c5f14bbe

Bug detailed description:
---------------------------
many Ogles3conform cases core dumped on SKL.It always has this issue.

output:
dEQP Core GL-CTS-2.0 (0x0052484b) starting..
  target implementation = 'X11'

Test case 'ES3-CTS.shaders.uniform_block.single_basic_type.shared.lowp_mat3'..
*** Error in `./glcts': free(): invalid size: 0x0000000003d9f5f0 ***
Aborted (core dumped)

(gdb) bt
#0  0x00007ffff5e64bb9 in __GI_raise (sig=sig at entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff5e67fc8 in __GI_abort () at abort.c:89
#2  0x00007ffff5eac27d in __malloc_assert
(assertion=assertion at entry=0x7ffff5fac8b8 "nclears >= 3",
file=file at entry=0x7ffff5fac6c0 "malloc.c", line=line at entry=3266,
    function=function at entry=0x7ffff5fac9dd <__func__.11481> "__libc_calloc") at
malloc.c:293
#3  0x00007ffff5eb1f92 in __libc_calloc (n=<optimized out>,
elem_size=<optimized out>) at malloc.c:3266
#4  0x00007ffff430ab72 in ralloc_size (ctx=ctx at entry=0x20bfe78,
size=size at entry=260) at ralloc.c:113
#5  0x00007ffff430abce in rzalloc_size (ctx=ctx at entry=0x20bfe78,
size=size at entry=260) at ralloc.c:134
#6  0x00007ffff430ac9c in rzalloc_array_size (ctx=ctx at entry=0x20bfe78,
size=size at entry=4, count=count at entry=65) at ralloc.c:196
#7  0x00007ffff430b8be in ra_alloc_interference_graph (regs=0x1625b08,
count=65) at register_allocate.c:382
#8  0x00007ffff43db9f2 in fs_visitor::assign_regs
(this=this at entry=0x7fffffffbe80, allow_spilling=allow_spilling at entry=false) at
brw_fs_reg_allocate.cpp:548
#9  0x00007ffff43b747e in fs_visitor::allocate_registers
(this=this at entry=0x7fffffffbe80) at brw_fs.cpp:3657
#10 0x00007ffff43b84ba in fs_visitor::run_fs (this=this at entry=0x7fffffffbe80)
at brw_fs.cpp:3812
#11 0x00007ffff43b88c7 in brw_wm_fs_emit (brw=brw at entry=0x7ffff7fa1038,
mem_ctx=mem_ctx at entry=0x23e9658, key=key at entry=0x7fffffffd150,
    prog_data=prog_data at entry=0x7fffffffcfb0, fp=fp at entry=0x2095f00,
prog=prog at entry=0x20abf88,
final_assembly_size=final_assembly_size at entry=0x7fffffffcfac) at
brw_fs.cpp:3880
#12 0x00007ffff4431715 in do_wm_prog (brw=0x7ffff7fa1038, prog=0x20abf88,
fp=0x2095f00, key=0x7fffffffd150) at brw_wm.c:212
#13 0x00007ffff43b7736 in brw_fs_precompile (ctx=0x7ffff7fa1038,
shader_prog=0x20abf88, prog=0x2095f00) at brw_fs.cpp:3997
#14 0x00007ffff440d526 in brw_shader_precompile (sh_prog=0x20abf88,
ctx=0x7ffff7fa1038) at brw_shader.cpp:65
#15 brw_link_shader (ctx=0x7ffff7fa1038, shProg=0x20abf88) at
brw_shader.cpp:278
#16 0x00007ffff428abc6 in _mesa_glsl_link_shader (ctx=0x7ffff7fa1038,
prog=0x20abf88) at program/ir_to_mesa.cpp:3035
#17 0x00007ffff41a9b6a in link_program (ctx=0x7ffff7fa1038, program=<optimized
out>) at main/shaderapi.c:932
#18 0x0000000000eae87e in glu::Program::linkProgram(unsigned int, unsigned int,
unsigned int, std::string&, unsigned long&) ()
#19 0x0000000000eadd84 in glu::Program::Program(glu::RenderContext const&, char
const*, char const*) ()
#20 0x00000000007e0d32 in glcts::UniformBlockCase::iterate() ()
#21 0x0000000000f00a97 in tcu::TestCaseWrapper::iterateTestCase(tcu::TestCase*)
()
#22 0x00000000007da1a1 in
glcts::TestCaseWrapper::iterateTestCase(tcu::TestCase*) ()
#23 0x0000000000f02190 in tcu::TestExecutor::iterate() ()
#24 0x0000000000ef5141 in tcu::App::iterate() ()
#25 0x0000000000541638 in main ()

==Reproduce steps==
---------------------------- 
1. xinit
2. ./glcts
--deqp-case=ES3-CTS.shaders.uniform_block.single_basic_type.shared.lowp_mat3

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