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Date: Wed, 21 Nov 2012 05:34:22 -0700
From: Gary Thomas <samoht.yrag@gmail.com>
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Cc: meta-freescale@yoctoproject.org
Subject: Re: [meta-fsl-arm][PATCH 00/10] iMX6 Yocto Support based on 12.09.01 BSP
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On 2012-11-21 05:21, Otavio Salvador wrote:
> On Wed, Nov 21, 2012 at 10:01 AM, Gary Thomas <samoht.yrag@gmail.com> wrote:
> ...
>> That helped, but then it dies:
>> [579761.853] (II) VIVANTE(0): FB Start = 0x2b0f9000  FB Base = 0x2b0f9000
>> FB Offset = (nil)
>> [579761.865] (II) VIVANTE(0): test Initializing EXA
>> [579761.865]
>> Backtrace:
>> [579761.865] Segmentation fault at address 0xc
>> [579761.865]
>> Fatal server error:
>> [579761.865] Caught signal 11 (Segmentation fault). Server aborting
>> [579761.865]
>
> Good; now we need to fix this.
>
> I will take a look on this and I let you know if any news.
>

Here's a GDB backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x2b078fac in gcoOS_GetBaseAddress () from /usr/lib/libGAL.so
(gdb) bt
#0  0x2b078fac in gcoOS_GetBaseAddress () from /usr/lib/libGAL.so
#1  0x2afeca78 in gcoHAL_MapUserMemory () from /usr/lib/libGAL.so
#2  0x2ab341c0 in ?? () from /usr/lib/xorg/modules/drivers/vivante_drv.so
#3  0x2ab341c0 in ?? () from /usr/lib/xorg/modules/drivers/vivante_drv.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Maybe I'm missing some piece, e.g. loading the video acceleration firmware?
n.b. I don't know much about this platform, so I'm a bit in the dark.