GPU troubleshooting grid
Some typical issues related to the GPU framework are listed below. Solutions or debugging methods are proposed for these issues.
[ 45.679109] Unhandled fault: imprecise external abort (0xc06) at 0xae1a0000 [ 45.684628] pgd = d1e98000 [ 45.687334] [ae1a0000] *pgd=d1e9f835, *pte=f8000747, *ppte=f8000c37 [ 45.693842] Unhandled fault: imprecise external abort (0xc06) at 0xae1a0000 [ 45.700480] pgd = d1dc0000 [ 45.703156] [ae1a0000] *pgd=00000000
Maybe the GPU reserved memory area in the kernel device tree is not aligned with the board DDR memory size, please have a look at the "gpu_reserved" entry in the kernel device tree, and update it if necessary.
Graphics Processing Units
Doubledata rate (memory domain)