Exceptionally, this wiki is under maintenance.
You can continue to browse it to discover the STM32MP1 series and associated ecosystems (STM32 boards, embedded software, development tools, trace & debug tools...) but contributors can not improve their favorite articles, during phase.
Thank you for your understanding.
- Last edited 4 years ago ago
GPU troubleshooting grid
Some typical issues related to the GPU framework are listed below. Solutions or debugging methods are proposed for these issues.
If your issue is not listed, try also looking in the articles in the GPU or troubleshooting grids categories.
| Symptom | Resolution |
|---|---|
[ 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. |