Kraxel's Kernel and VC4

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Hello Everyone,


I have successfully installed Fedora 24 with onto a RPI3 with Kraxel's kit. I also installed X and tried to set the default state of the machine to graphical.target using systemd. I also have xrdp installed. I can easily and successfully RDP across to the machine and use LXDE.


When I try to use it at the machine itself, there is not X environment firing up. I have the following errors in dmesg:


[   24.367279] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   24.374196] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   24.384452] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[   24.391416] [drm] num bos allocated: 4
[   24.395243] [drm] size bos allocated: 18320kb
[   24.399678] [drm] num bos used: 3
[   24.403056] [drm] size bos used: 9320kb
[   24.406966] [drm] num bos cached: 1
[   24.410509] [drm] size bos cached: 9000kb
[   29.921963] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   29.928816] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   29.943051] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[   29.950043] [drm] num bos allocated: 4
[   29.953873] [drm] size bos allocated: 18320kb
[   29.964561] [drm] num bos used: 3
[   29.967904] [drm] size bos used: 9320kb
[   29.971816] [drm] num bos cached: 1
[   29.975355] [drm] size bos cached: 9000kb
[   35.616982] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   35.623766] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   35.630569] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[   35.637485] [drm] num bos allocated: 4
[   35.641260] [drm] size bos allocated: 18320kb
[   35.645636] [drm] num bos used: 3
[   35.648967] [drm] size bos used: 9320kb
[   35.652810] [drm] num bos cached: 1
[   35.656310] [drm] size bos cached: 9000kb
[   41.741442] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   41.750538] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   41.764316] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[   41.777405] [drm] num bos allocated: 4
[   41.787267] [drm] size bos allocated: 18320kb
[   41.796928] [drm] num bos used: 3
[   41.806312] [drm] size bos used: 9320kb
[   41.815661] [drm] num bos cached: 1
[   41.822454] [drm] size bos cached: 9000kb
[   47.842983] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   47.849963] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   47.856894] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[   47.864245] [drm] num bos allocated: 4
[   47.868063] [drm] size bos allocated: 18320kb
[   47.872487] [drm] num bos used: 3
[   47.875855] [drm] size bos used: 9320kb
[   47.879709] [drm] num bos cached: 1
[   47.883285] [drm] size bos cached: 9000kb
[   53.606989] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   53.613819] vc4-drm soc:gpu: failed to allocate buffer with size 9216000
[   53.620666] [drm:vc4_bo_create [vc4]] *ERROR* Failed to allocate from CMA:
[   53.627631] [drm] num bos allocated: 4
[   53.631427] [drm] size bos allocated: 18320kb
[   53.635826] [drm] num bos used: 3
[   53.639176] [drm] size bos used: 9320kb
[   53.643048] [drm] num bos cached: 1
[   53.646566] [drm] size bos cached: 9000kb

My config.txt looks as follows:


arm_freq=1200
core_freq=400
sdram_freq=500
over_voltage=6
gpu_mem=256
max_usb_current=1
arm_control=0x200

# NOOBS Auto-generated Settings
hdmi_force_hotplug=1
config_hdmi_boost=4
overscan_left=24
overscan_right=24
overscan_top=16
overscan_bottom=16
disable_overscan=0

# workaround firmware issue for rpi3
# u-boot doesn't work without this
enable_uart=1

Would anybody have any thoughts on solving this issue. I know it may not be completely a Fedora problem especially since its not a Fedora team built kernel. But would still appreciate the help. Thanks/


Cheers,


ASD.


Aly S Dharshi  B.Sc. Computer Science, RHCE 
Technology Strategist 
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