Hi,
no that is certainly not normal.
We temporary allow the kernel to allocate more pages than available when
we bind stuff into the GART, but that shouldn't have this effect.
How do you allocate the GTT space?
Regards,
Christian.
Am 12.07.2018 um 17:50 schrieb sunnanyong:
Hi All,
When the gtt memory is used up, application continues to use gtt ,
then the gtt will overflow,
the gtt available will be negative(cat
/sys/kernel/debug/dri/1/amdgpu_gtt_mm), and more system memory is used
as GTT, is it normal?
My kernel is newest v4.18 master, I add “cma=0 amdgpu.gttsize=24576”
in kernel boot cmdline.
Please help, Thanks : )
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