Troubleshooting • Pi400 video pipeline errors

Code:

[  840.707329] swiotlb_tbl_map_single: 2 callbacks suppressed[  840.707347] vc4-drm gpu: swiotlb buffer is full (sz: 475136 bytes), total 32768 (slots), used 50 (slots)[  840.713241] vc4-drm gpu: swiotlb buffer is full (sz: 475136 bytes), total 32768 (slots), used 50 (slots)[  840.742547] vc4-drm gpu: swiotlb buffer is full (sz: 335872 bytes), total 32768 (slots), used 0 (slots)[  840.744774] vc4-drm gpu: swiotlb buffer is full (sz: 335872 bytes), total 32768 (slots), used 0 (slots)[  840.757869] vc4-drm gpu: swiotlb buffer is full (sz: 524288 bytes), total 32768 (slots), used 428 (slots)[  840.762955] vc4-drm gpu: swiotlb buffer is full (sz: 524288 bytes), total 32768 (slots), used 428 (slots)[  841.795414] vc4-drm gpu: swiotlb buffer is full (sz: 311296 bytes), total 32768 (slots), used 64 (slots)[  841.798502] vc4-drm gpu: swiotlb buffer is full (sz: 311296 bytes), total 32768 (slots), used 64 (slots)[  841.864350] vc4-drm gpu: swiotlb buffer is full (sz: 352256 bytes), total 32768 (slots), used 0 (slots)[  841.868800] vc4-drm gpu: swiotlb buffer is full (sz: 352256 bytes), total 32768 (slots), used 0 (slots)[ 2380.880930] swiotlb_tbl_map_single: 2 callbacks suppressed[ 2380.880945] vc4-drm gpu: swiotlb buffer is full (sz: 356352 bytes), total 32768 (slots), used 504 (slots)[ 2380.884700] vc4-drm gpu: swiotlb buffer is full (sz: 356352 bytes), total 32768 (slots), used 504 (slots)[ 2380.933850] vc4-drm gpu: swiotlb buffer is full (sz: 1794048 bytes), total 32768 (slots), used 0 (slots)[ 2380.936123] vc4-drm gpu: swiotlb buffer is full (sz: 372736 bytes), total 32768 (slots), used 0 (slots)[ 2380.939126] vc4-drm gpu: swiotlb buffer is full (sz: 1794048 bytes), total 32768 (slots), used 0 (slots)[ 2380.951776] vc4-drm gpu: swiotlb buffer is full (sz: 372736 bytes), total 32768 (slots), used 0 (slots)[ 2381.979446] vc4-drm gpu: swiotlb buffer is full (sz: 368640 bytes), total 32768 (slots), used 266 (slots)[ 2381.983403] vc4-drm gpu: swiotlb buffer is full (sz: 368640 bytes), total 32768 (slots), used 266 (slots)[ 2382.230689] vc4-drm gpu: swiotlb buffer is full (sz: 327680 bytes), total 32768 (slots), used 352 (slots)[ 2382.233902] vc4-drm gpu: swiotlb buffer is full (sz: 327680 bytes), total 32768 (slots), used 352 (slots)[ 2391.802740] vc4-drm gpu: swiotlb buffer is full (sz: 524288 bytes), total 32768 (slots), used 694 (slots)[ 2391.848685] vc4-drm gpu: swiotlb buffer is full (sz: 524288 bytes), total 32768 (slots), used 694 (slots)[ 2392.958306] vc4-drm gpu: swiotlb buffer is full (sz: 319488 bytes), total 32768 (slots), used 146 (slots)[ 2392.961632] vc4-drm gpu: swiotlb buffer is full (sz: 319488 bytes), total 32768 (slots), used 146 (slots)[ 4979.661957] v3d fec00000.v3d: MMU error from client CLE (4) at 0x9dc1000, pte invalid