On Wed, Sep 4, 2024 at 8:09 AM Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> wrote: > Can you please check in which memory zone this VRAM is located. In my case > it's important CMA is located in Normal zone to trigger this problem. dmesg says this: Reserved memory: created DMA memory pool at 0x18000000, size 8 MiB OF: reserved mem: initialized node vram@18000000, compatible id shared-dma-pool OF: reserved mem: 0x18000000..0x187fffff (8192 KiB) nomap non-reusable vram@18000000 cma: Reserved 16 MiB at 0xef000000 on node -1 Zone ranges: Normal [mem 0x0000000080000000-0x00000000efffffff] Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000080000000-0x00000000efffffff] Initmem setup node 0 [mem 0x0000000080000000-0x00000000efffffff] percpu: Embedded 15 pages/cpu s39052 r0 d22388 u61440 So at the top of the normal zone at 0xef000000 as I read it. Yours, Linus Walleij
