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Weston on iMX8MM
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I am having trouble getting Weston to work on an iMX8MM board. I am using Yocto Project Gatesgarth.
When starting Weston I am seeing these messages: # weston Date: 2021-03-06 UTC [16:18:20.776] weston 8.0.0 https://wayland.freedesktop.org Bug reports to: https://gitlab.freedesktop.org/wayland/weston/issues/ Build: 8.0.0-31-gf6a7d356+ [16:18:20.776] Command line: weston [16:18:20.776] OS: Linux, 4.14.98-master+gb175405, #1 SMP PREEMPT Thu Dec 24 04:37:11 UTC 2020, aarch64 [16:18:20.776] Using config file '/etc/xdg/weston/weston.ini' [16:18:20.777] Output repaint window is 16 ms maximum. [16:18:20.777] Loading module '/usr/lib/libweston-8/drm-backend.so' [16:18:20.781] initializing drm backend [16:18:20.788] logind: session control granted [16:18:20.792] using /dev/dri/card0 [16:18:20.792] DRM: supports universal planes [16:18:20.792] DRM: supports atomic modesetting [16:18:20.792] DRM: does not support picture aspect ratio [16:18:20.792] Loading module '/usr/lib/libweston-8/g2d-renderer.so' [ 1] Failed to open device: No such file or directory, Try again... [ 2] Failed to open device: No such file or directory, Try again... [ 3] Failed to open device: No such file or directory, Try again... [ 4] Failed to open device: No such file or directory, Try again... [ 5] _OpenDevice(1245): FATAL: Failed to open device, errno=No such file or directory. Unfortunately, I don't know what the device is that it fails to open, nor does it tell me which module causes the problem. I'd appreciate feedback if somebody has run into a similar issue. Thank you, Rudi
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Peter Bergin
Hi Rudi,
On 2021-03-06 17:26, Rudolf J Streif wrote: I am having trouble getting Weston to work on an iMX8MM board. I am using Yocto Project Gatesgarth.I previously have had trouble with wrong permissions on /dev/galcore. Since a while weston is started as non-root (https://git.yoctoproject.org/cgit/cgit.cgi/poky/commit?id=ccdaab972e1d03087f9de0eae605008eaada7cd1). This requires the dev nodes to belong to video group as set up by the recipe udev-rules-imx.bb (https://github.com/Freescale/meta-freescale/blob/master/recipes-core/udev/udev-rules-imx/10-imx.rules). In my case I baked my own image with NO_RECOMMENDATION=1 and then I missed the udev rule. I don't have a clue if this is what you see but probably worth looking in to. Best regards, /Peter
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Hi Peter,
On 3/7/21 12:38 PM, Peter Bergin wrote: Hi Rudi,Thank you for your response. I have been starting Weston as root. However, my system does not have a /dev/galcore device. Maybe there is an issue with the driver. Best regards,-- Rudolf J Streif CEO/CTO ibeeto +1.855.442.3386 x700
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