Difference between revisions of "GPU troubleshooting grid"

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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.

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