On Saturday 05 June 2021 21:43:52 Ondrej Zary wrote: > Hello, > I'm testing 5.13.0-rc4 and nouveau crashes with NULL pointer dereference in > nouveau_bo_sync_for_device. > Found various reports like this but that was back in februaryso that should > be fixed now.
So it is the same bug. Broken since 5.11. This revert fixes it in 5.11: https://lists.freedesktop.org/archives/dri-devel/2021-February/298531.html Added some debug printks to nouveau_bo_sync_for_device: [ 22.225048] ttm_dma=fc33b500 [ 22.225066] ttm_dma->num_pages=18 [ 22.225071] i=0 num_pages=16 [ 22.225077] ttm_dma->dma_address=00000000 [ 22.225094] BUG: kernel NULL pointer dereference, address: 00000000 So ttm->dma_address is NULL. -- Ondrej Zary _______________________________________________ Nouveau mailing list Nouveau@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/nouveau
