[meta-freescale] iMX6 cgtqmx6 Xorg segmention fault

[Otavio Salvador]

On Tue, Sep 3, 2013 at 9:59 AM, Fichter, Rene <rene.fichter at megger.com> wrote:
>> > [3469125.602] (II) VIVANTE(0): FB Start = 0x2b16c000  FB Base =
>> > 0x2b16c000  FB Offset = (nil)
>> > [3469125.616] (II) VIVANTE(0): test Initializing EXA [3469125.616]
>> > (II) VIVANTE(0): (driver build from: -dirty) [3469125.616] (EE)
>> > [3469125.617] (EE) Backtrace:
>> > [3469125.617] (EE)
>> > [3469125.617] (EE) Segmentation fault at address 0xc [3469125.617]
>> > Fatal server error:
>> > [3469125.617] Caught signal 11 (Segmentation fault). Server aborting
>> >
>> > This seems to be identical with earlier posts I've found:
>> > https://lists.yoctoproject.org/pipermail/meta-freescale/2012-
>> November/
>> > 00
>> > 0039.html
>> >
>> > But I can't find anything on if this problem was fixed? U-boot was a
>> > suspect, but according to this post it seems that the "stock" U-boot
>> > from FSL yielded the same results:
>> > https://lists.yoctoproject.org/pipermail/meta-freescale/2012-
>> November/
>> > 00
>> > 0060.html
>> >
>> > My configuration:
>> > meta-fsl-arm and meta-fsl-arm-extra on master.
>> > u-boot-imx_2009.08 (u-boot-imx_2013.04 won't build with cgtqmx6).
>>
>> Yes; you most probable need some patches to be able to use 4.6.9p12
>> GPU.
>>
>> I don't have this board so I cannot help on this. Please talk to your
>> Congatec FAE/support so they can provide an updated kernel for you.
>
> Thank you for your reply.
> Is it only the kernel that needs to be patched?
> I've tried to use the kernel with the all the Congatec provided patches,
> but it still won't work.
>
> Do you think a port of the patch "linux-wandboard: Add support to
> Vivante 4.6.9p12 GPU code" would fix the problem?

Yes; you need to apply the drm patch as well.

> Anyway, I will check with the Congatec support and thanks again for your
> help.

Please do; and let them know you want to use Yocto :-)

-- 
Otavio Salvador                             O.S. Systems
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