[Mesa-dev] Assertion failure on SandyBridge

[Anuj Phogat]

On Wed, Jan 25, 2012 at 3:41 PM, Kenneth Graunke <kenneth at whitecape.org>wrote:

> On 01/25/2012 02:10 PM, Anuj Phogat wrote:
>
>> On Wed, Jan 25, 2012 at 12:22 PM, Paul Berry <stereotype441 at gmail.com
>> <mailto:stereotype441 at gmail.**com <stereotype441 at gmail.com>>> wrote:
>>
>>    On 25 January 2012 11:42, Anuj Phogat <anuj.phogat at gmail.com
>>    <mailto:anuj.phogat at gmail.com>**> wrote:
>>
>>        Hi,
>>
>>        I'm getting following assertion failure on executing any OpenGL
>>        application including glxinfo with mesa master (dc435ae):
>>
>>        glxinfo: brw_program.c:261: brwInitFragProgFuncs: Assertion
>>        `functions->**ProgramStringNotify == _tnl_program_string' failed.
>>
>>        Program received signal SIGABRT, Aborted.
>>        0x00110416 in __kernel_vsyscall ()
>>        (gdb) bt
>>        #0  0x00110416 in __kernel_vsyscall ()
>>        #1  0x4dc3698f in raise () from /lib/libc.so.6
>>        #2  0x4dc382d5 in abort () from /lib/libc.so.6
>>        #3  0x4dc2f6a5 in __assert_fail_base () from /lib/libc.so.6
>>        #4  0x4dc2f757 in __assert_fail () from /lib/libc.so.6
>>        #5  0x00221850 in brwInitFragProgFuncs (functions=0xbfffeb30) at
>>        brw_program.c:261
>>        #6  0x0020d3e8 in brwInitDriverFunctions (functions=0xbfffeb30,
>>        screen=0x805fd38) at brw_context.c:117
>>        #7  brwCreateContext (api=0, mesaVis=0x8063040,
>>        driContextPriv=0x8066180, sharedContextPrivate=0x0) at
>>        brw_context.c:148
>>        #8  0x001fcde8 in intelCreateContext (api=API_OPENGL,
>>        mesaVis=0x8063040, driContextPriv=0x8066180, major_version=1,
>>        minor_version=0, flags=0, error=0xbfffee9c,
>>             sharedContextPrivate=0x0) at intel_screen.c:557
>>        #9  0x002915fb in dri2CreateContextAttribs (screen=0x805fc70,
>>        api=0, config=0x8063040, shared=0x0, num_attribs=0, attribs=0x0,
>>        error=0xbfffee9c, data=0x805a850)
>>             at ../common/dri_util.c:236
>>        #10 0x002917b7 in dri2CreateNewContextForAPI (screen=0x805fc70,
>>        api=0, config=0x8063040, shared=0x0, data=0x805a850) at
>>        ../common/dri_util.c:254
>>        #11 0x002917ef in dri2CreateNewContext (screen=0x805fc70,
>>        config=0x8063040, shared=0x0, data=0x805a850) at
>>        ../common/dri_util.c:262
>>        #12 0x00163244 in dri2_create_context (base=0x805a390,
>>        config_base=0x8066cc0, shareList=0x0, renderType=32788) at
>>        dri2_glx.c:213
>>        #13 0x0012bb91 in CreateContext (dpy=0x804e008, generic_id=146,
>>        config=0x8066cc0, shareList_user=0x0, allowDirect=1, code=3,
>>        renderType=32788, screen=0)
>>             at glxcmds.c:276
>>        #14 0x0012c023 in glXCreateContext (dpy=0x804e008,
>>        vis=0x805a6b8, shareList=0x0, allowDirect=1) at glxcmds.c:381
>>        #15 0x08048fc3 in print_screen_info (limits=0 '\000',
>>        allowDirect=1, scrnum=0, dpy=0x804e008) at glxinfo.c:430
>>        #16 main (argc=1, argv=0xbffff254) at glxinfo.c:1255
>>
>>
>>        I also verified that i'm using latest drm (66518ab). Is anyone
>>        else seeing similar errors? or am i missing something?
>>
>>        Thanks
>>        Anuj
>>
>>        ______________________________**_________________
>>        mesa-dev mailing list
>>        mesa-dev at lists.freedesktop.org
>>        <mailto:mesa-dev at lists.**freedesktop.org<mesa-dev at lists.freedesktop.org>
>> >
>>
>>        http://lists.freedesktop.org/**mailman/listinfo/mesa-dev<http://lists.freedesktop.org/mailman/listinfo/mesa-dev>
>>
>>
>>    That's a surprising failure, since that assertion would only be
>>    expected to be hit if brwInitFragProgFuncs() got called more than
>>    once on the same context.  That in turn should only happen if the
>>    driver's CreateContext() function got called more than once on the
>>    same context, and it's hard to see how dri2CreateContextAttribs()
>>    would ever do that.
>>
>>    Note: I've heard that there have been some build problems recently;
>>    have you tried building from scratch just to be sure?  I happen to
>>    be reinstalling my OS today, so I've just done a clean build,
>>    install, and piglit run on mesa commit dc435ae, and everything looks
>>    fine.
>>
>>
>>    If a clean build doesn't help for you, I'd recommend either
>>    bisecting to try to see if a recent commit introduced the problem,
>>    or else using gdb to see if brwInitFragProgFuncs() is getting called
>>    multiple times, and if so, why.
>>
>> clean build didn't help. It shows assertion failure while executing
>>  brwInitFragProgFuncs() for the first time.
>> A fresh clone of mesa git repository works fine.
>>
>> Thanks
>> Anuj
>>
>
> I think you might have to throw out your lib/ directory.  There's a bug
> where it can pick up an old libdricore.so, or the one from your system,
> which is pretty nasty.  I think Eric was looking into a fix...
>

Yes, It was picking an old libdricore.so installed in /usr/local/lib
directory. Throwing out old lib resolved the issue.

Thanks
Anuj
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