[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

            Bug ID: 90207
           Summary: [r600g, bisected] regression: NI/Turks crash on WebGL
                    Water (most WebGL stuff)
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: Dieter@nuetzel-hh.de
        QA Contact: dri-devel@lists.freedesktop.org
                CC: mesa-dev@lists.freedesktop.org

Current Mesa git (9143940) crash on WebGL Water demo and most WebGL stuff.

http://madebyevan.com/webgl-water/
http://www.ibiblio.org/e-notes/webgl/webgl.htm

I've bisected it to:

/opt/mesa> git bisect good
a563689a408b7a28c710fb0e382272a0d823f38a is the first bad commit
commit a563689a408b7a28c710fb0e382272a0d823f38a
Author: Tapani Pälli <tapani.palli@intel.com>
Date:   Thu Apr 23 11:13:17 2015 +0300

    mesa: refactor active attrib queries for glGetProgramiv

    Main motivation here is to get rid of iterating IR and
    encapsulate queries within program resources.
    No functional changes.

    Piglit tests calling the modified functionality:

       - gl-get-active-attrib-returns-all-inputs
       - glsl-1.50-get-active-attrib-array
       - getactiveattrib

    Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
    Reviewed-by: Martin Peres <martin.peres@linux.intel.com>

:040000 040000 8983df05bac6cc3a455b2e5100a2038939e24eaa
cd5fa256be39b9b02e9201a9ce6d313c670f2942 M src

When I revert 'a563689' all is smooth, again.

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #1 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
Created attachment 115389
  --> https://bugs.freedesktop.org/attachment.cgi?id=115389&action=edit
konqueror-20150428-051127.kcrash.txt

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

Dieter Nützel <Dieter@nuetzel-hh.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86-64 (AMD64)
                 OS|All                         |Linux (All)
           Severity|normal                      |critical

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #2 from Tapani Pälli <lemody@gmail.com> ---
seems to work with chrome and firefox, will attempt to reproduce with konqueror

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #3 from Tapani Pälli <lemody@gmail.com> ---
My konqueror does not seems to support webgl (?) is there something special I
need to do to enable it?

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #4 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
(In reply to Tapani Pälli from comment #3)
> My konqueror does not seems to support webgl (?) is there something special
> I need to do to enable it?

Hello Tapani!

My Konqueror 4.14.6 and former versions (on openSUSE x86 and x86-64) support it
for some months (years?) out of the box.

What's weird that it do NOT run webgl if I go back to repro package Mesa-10.5.4
(from 27 Apr 2015). I can swear it worked with former versions...
Have to retest on my poor RV730/x86 system tomorrow.

Maybe you have to use WebKit not KHTML.
http://html5test.com/index.html

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #5 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
(In reply to Dieter Nützel from comment #4)
> (In reply to Tapani Pälli from comment #3)
> > My konqueror does not seems to support webgl (?) is there something special
> > I need to do to enable it?
> 
> Hello Tapani!

[snip]

> Maybe you have to use WebKit not KHTML.
> http://html5test.com/index.html

It is in since

11./13.10.2011

through WebKit.

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #6 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
(In reply to Dieter Nützel from comment #5)
> (In reply to Dieter Nützel from comment #4)
> > (In reply to Tapani Pälli from comment #3)
> > > My konqueror does not seems to support webgl (?) is there something special
> > > I need to do to enable it?
> > 
> > Hello Tapani!
> 
> [snip]
> 
> > Maybe you have to use WebKit not KHTML.
> > http://html5test.com/index.html
> 
> It is in since
> 
> 11./13.10.2011
> 
> through WebKit.

kwebkitpart
kwebkitpart-1.3.3-3.1.5.x86_64

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #7 from Tapani Pälli <lemody@gmail.com> ---
(In reply to Dieter Nützel from comment #6)
> (In reply to Dieter Nützel from comment #5)
> > (In reply to Dieter Nützel from comment #4)
> > > (In reply to Tapani Pälli from comment #3)
> > > > My konqueror does not seems to support webgl (?) is there something special
> > > > I need to do to enable it?
> > > 
> > > Hello Tapani!
> > 
> > [snip]
> > 
> > > Maybe you have to use WebKit not KHTML.
> > > http://html5test.com/index.html
> > 
> > It is in since
> > 
> > 11./13.10.2011
> > 
> > through WebKit.
> 
> kwebkitpart
> kwebkitpart-1.3.3-3.1.5.x86_64

Yes, installing this package made it work, demos seem to work for me though ..
I will try some more and also investigate possible side-effects caused by my
patch.

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #8 from Tapani Pälli <lemody@gmail.com> ---
I cannot reproduce this bug. I used following page to verify that Konqueror
runs against my Mesa:

http://renderingpipeline.com/webgl-extension-viewer/

"WebGL version: WebGL 1.0 (3.0 Mesa 10.6.0-devel (git-9143940))"

webgl-water and other webgl tests run fine, Konqueror version information:

konqueror-14.12.3-1.fc21.x86_64
kwebkitpart-1.3.4-5.fc21.x86_64

this is on Ivybridge laptop, i965 driver.

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #9 from Aaron Watry <awatry@gmail.com> ---
Note that firefox 37 works fine for me on my CEDAR (Radeon 5400) on r600g on
current mesa master.

Konqueror 4.14.6 crashes while loading the OpenGL demo.

When running konqueror with LIBGL_DEBUG=verbose, I get the following:

awatry@ws-awatry:~$ LIBGL_DEBUG=verbose konqueror 
libGL: OpenDriver: trying /usr/local/lib/dri/tls/r600_dri.so
libGL: OpenDriver: trying /usr/local/lib/dri/r600_dri.so
libGL: OpenDriver: trying /usr/local/lib/dri/tls/r600_dri.so
libGL: OpenDriver: trying /usr/local/lib/dri/r600_dri.so
NOT SANDBOXED
Mesa: User error: GL_INVALID_VALUE in glGetActiveAttrib(index)
KCrash: Application 'konqueror' crashing...

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

--- Comment #10 from Aaron Watry <awatry@gmail.com> ---
Created attachment 115405
  --> https://bugs.freedesktop.org/attachment.cgi?id=115405&action=edit
API Trace of konqueror crash

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[Bug 90207] [r600g, bisected] regression: NI/Turks crash on WebGL Water (most WebGL stuff)

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https://bugs.freedesktop.org/show_bug.cgi?id=90207

José Fonseca <jfonseca@vmware.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jfonseca@vmware.com
          Component|Drivers/Gallium/r600        |Mesa core
           Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
                   |.org                        |org
         QA Contact|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
                   |.org                        |org

--- Comment #11 from José Fonseca <jfonseca@vmware.com> ---


(In reply to Dieter Nützel from comment #0)
[...]
> a563689a408b7a28c710fb0e382272a0d823f38a is the first bad commit
> commit a563689a408b7a28c710fb0e382272a0d823f38a
> Author: Tapani Pälli <tapani.palli@intel.com>
> Date:   Thu Apr 23 11:13:17 2015 +0300
> 
>     mesa: refactor active attrib queries for glGetProgramiv
>     
>     Main motivation here is to get rid of iterating IR and
>     encapsulate queries within program resources.
>     No functional changes.
>     
>     Piglit tests calling the modified functionality:
>     
>        - gl-get-active-attrib-returns-all-inputs
>        - glsl-1.50-get-active-attrib-array
>        - getactiveattrib
>     
>  [...]

Piglit `getactiveattrib 110` test started to randomly fail on llvmpipe:

$ for i in `seq 1 100`; do .../piglit/bin/getactiveattrib 110 -auto -fbo; done
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }
Mesa: User error: GL_INVALID_VALUE in glGetActiveAttrib(index)

Failing shader:
attribute vec4 vertex;
attribute vec2 alternate;
uniform bool use_alternate;
void main() {
    gl_Position = vertex;
    if (use_alternate) gl_Position = alternate.xyxy;
}

Attribute `alternate' listed multiple times in active list.
PIGLIT: {"result": "fail" }
PIGLIT: {"result": "pass" }
PIGLIT: {"result": "pass" }


> When I revert 'a563689' all is smooth, again.

And likewise, if I revert a563689 it passes consistently.

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