Userptr broken with the latest amdgpu driver

Mon Apr 8 20:56:52 UTC 2019

Check dmesg - do you see 'HMM_MIRROR kernel config option is not enabled add CONFIG_ZONE_DEVICE=y in config file to fix this' ?

Andrey

On 4/8/19 4:46 PM, Marek Olšák wrote:
Hi,

amdgpu_mn_register fails with -ENODEV in amdgpu_gem_userptr_ioctl.

The regression happened within the last 1-2 months.

Marek

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