It appears the recurring problem here is:
simple-framebuffer simple-framebuffer.0: drm_WARN_ON(map->is_iomem) WARNING: CPU: 19 PID: 4751 at drivers/gpu/drm/drm_gem_shmem_helper.c:319 drm_gem_shmem_vmap+0x1a5/0x1e0
It appears the recurring problem here is:
simple- framebuffer simple- framebuffer. 0: drm_WARN_ ON(map- >is_iomem) gpu/drm/ drm_gem_ shmem_helper. c:319 drm_gem_ shmem_vmap+ 0x1a5/0x1e0
WARNING: CPU: 19 PID: 4751 at drivers/