I can confirm this patch fixes the kernel crash I reported.
But as discussed with Christian, we should find the root cause. On 10/6/23 14:11, Christian König wrote:
bo->tbo.resource can easily be NULL here. Signed-off-by: Christian König <christian.koe...@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index f3ee83cdf97e..d28e21baef16 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -252,7 +252,7 @@ static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo) struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct amdgpu_res_cursor cursor;- if (bo->tbo.resource->mem_type != TTM_PL_VRAM)+ if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM) return false;amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
