Re: [yocto] weston 13.0.1 assert fail #scarthgap

On 11/19/25 14:52, Jarno via lists.yoctoproject.org wrote:
> Hello,
>  
> anybody willing to share guidance or solution to overcome known (?)
> bug on weston crash. I'm able to get weston up and running but when
> ever moving mouse weston crashes. From gdb stack:
>  
> #5  0x0000007f9ac35624 in __assert_fail
>     (assertion=assertion@entry=0x7f99eff420 "fb",
> file=file@entry=0x7f99efead0
> "/usr/src/debug/weston/13.0.1/libweston/backend-drm/state-propose.c",
> line=line@entry=506, function=function@entry=0x7f99f00ab0
> <__PRETTY_FUNCTION__.5> "drm_output_find_plane_for_view") at assert.c:105
> #6  0x0000007f99ef784c in drm_output_find_plane_for_view
>     (current_lowest_zpos=18446744073709551615, scanout_state=0x0,
> mode=DRM_OUTPUT_PROPOSE_STATE_PLANES_ONLY, pnode=0x55b20579b0,
> state=0x55b1f3d0e0)
>     at
> /usr/src/debug/weston/13.0.1/libweston/backend-drm/state-propose.c:506
>  
>

How to reproduce this? Is it platform/layer dependent?
I just compiled a core-image-weston from Scarthgap, it didn't crash with
qemux86-64 at least.