[Piglit] Over three thousand crashes on opengl driver of ADM&NV caused by commit b28cdc887aefb1e766719e1f74d457f77bdf9a18

Brian Paul brianp at vmware.com
Thu Apr 3 09:31:28 PDT 2014

On 04/03/2014 10:25 AM, Jordan Justen wrote:
> On Thu, Apr 3, 2014 at 8:37 AM, Jordan Justen <jljusten at gmail.com> wrote:
>> On Thu, Apr 3, 2014 at 2:42 AM, Fu, Ping <Ping.Fu at amd.com> wrote:
>>> Hi Justen,
>>> I tested the latest piglit and found lots of crashes(Over three thousand) on
>>> both AMD and NVIDIA. This might be caused by your commit
>>> b28cdc887aefb1e766719e1f74d457f77bdf9a18 on shader_runner.c.
>> Does the attached patch help?
>> What is an example test that you see failing?
> Well, looking at your email again (rather than just b28cdc88), it does
> seem unlikely that my new patch would help.

It doesn't help here.

> If you could point out a test that is crashing for you, that would be
> a big help.

$ gdb --args bin/shader_runner tests/shaders/glsl-fs-any.shader_test
(gdb) r

Program received signal SIGSEGV, Segmentation fault.
0x000000004009ff7e in ?? ()
(gdb) where
#0  0x000000004009ff7e in ?? ()
#1  0x00007ffff48f607f in ?? () from 
#2  0x00007ffff455ca87 in ?? () from 
#3  0x00007ffff7af6deb in stub_glDrawArrays (mode=5, first=0, count=4) 
at /home/brianp/pig/tests/util/generated_dispatch.c:6240
#4  0x00007ffff7ae3509 in piglit_draw_rect_from_arrays 
(verts=0x7fffffffe230, tex=0x0) at 
#5  0x00007ffff7ae3887 in piglit_draw_rect (x=-1, y=-1, w=2, h=2) at 
#6  0x000000000040835a in piglit_display () at 
#7  0x00007ffff7ae88d2 in process_next_event (x11_fw=0x610310) at 
#8  0x00007ffff7ae8991 in enter_event_loop (winsys_fw=0x610310) at 
#9  0x00007ffff7ae7e5c in run_test (gl_fw=0x610310, argc=2, 
argv=0x7fffffffe708) at 
#10 0x00007ffff7ae424b in piglit_gl_test_run (argc=2, 
argv=0x7fffffffe708, config=0x7fffffffe5d0) at 
#11 0x000000000040414d in main (argc=2, argv=0x7fffffffe708) at 

> And, does reverting b28cdc88 fix things?

Yes, it does.


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