Re: RPI3: vc4/drm crashes

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Dear Jan-Simon and all, 

Thanks a lot for your reply. 

Since we are preparing for demo with AGL. The short-term priority for us is to find a platform that we can run our demo in a stable and reproducible manner.
We still prefer run our demo from RPi3 as it is cheap and easy to find commodity.

Is there anyway that we can fine-tune RPi3 for the demo besides upgrading to Flounder release? For instance, removing some APPs or adjusting kernel parameters from config.txt and so on.
If not, what hardware platform is verified as a most stable one and would you like to recommend?

Thanks for your help!

Regards, Kangkook


On Sep 19, 2018, at 1:56 AM, Jan-Simon Moeller <jsmoeller@xxxxxxxxxxxxxxxxxxx> wrote:

Hi!

This is a know limitation of the rpi3. Try the flounder branch where we mitigate it somewhat.

Js


Kangkook Jee <kangkook.jee@xxxxxxxxx> schrieb am Mi., 19. Sep. 2018, 04:56:
Hi all,

I installed AGL 5.1.0 on Raspberry Pi 3 board and testing with number of Homescreen App.
However, I soon get the following error message and the whole GUI freezes.

[  222.034184] vc4-drm soc:gpu: failed to allocate buffer with size 16777216
[  222.041476] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[  222.048470] [drm]                         kernel:   8100kb BOs (1)
[  222.054816] [drm]                            V3D: 198344kb BOs (186)
[  222.061314] [drm]                     V3D shader:    240kb BOs (60)
[  222.067688] [drm]                           dumb:     32kb BOs (2)
[  222.074023] vc4_v3d 3fc00000.v3d: Failed to allocate memory for tile binning: -12. You may need to enable CMA or give it more memory.

I saw the previous JIRA ticket about the similar issues and those are now close.

https://jira.automotivelinux.org/browse/SPEC-390

https://jira.automotivelinux.org/browse/SPEC-410

Can anyone help me with this? Thanks a lot!

Regards, Kangkook
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