between commits d7d170a8e357 and 22051d9c4a57 begins issue page allocation failure in gnome-shell process

[Dave Airlie]

On Wed, 31 Jul 2019 at 05:34, Mikhail Gavrilov
<mikhail.v.gavrilov at gmail.com> wrote:
>
> Is anyone here? Is everyone so busy what is wrong?
> RC2 is still affected by this issue and unusable for every day because
> opening a video in totem player cause DE a hang with a lot of
> messages:
>

This looks like dc_state got a size increase, Harry looks like your area.

Let's make dc_state not be so large. a 4 order allocation isn't
trivial for an object that we constantly alloc/destroy.

Dave.
> [ 1072.283518] amdgpu 0000:0b:00.0: [gfxhub] retry page fault
> (src_id:0 ring:0 vmid:3 pasid:32769, for process gnome-shell pid 1948
> thread gnome-shel:cs0 pid 1983)
> [ 1072.283530] amdgpu 0000:0b:00.0:   in page starting at address
> 0x00000001c3385000 from 27
> [ 1072.283533] amdgpu 0000:0b:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031
> [ 1072.283539] amdgpu 0000:0b:00.0: [gfxhub] retry page fault
> (src_id:0 ring:0 vmid:3 pasid:32769, for process gnome-shell pid 1948
> thread gnome-shel:cs0 pid 1983)
> [ 1072.283541] amdgpu 0000:0b:00.0:   in page starting at address
> 0x00000001c3389000 from 27
> [ 1072.283543] amdgpu 0000:0b:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031
> [ 1072.283548] amdgpu 0000:0b:00.0: [gfxhub] retry page fault
> (src_id:0 ring:0 vmid:3 pasid:32769, for process gnome-shell pid 1948
> thread gnome-shel:cs0 pid 1983)
> [ 1072.283551] amdgpu 0000:0b:00.0:   in page starting at address
> 0x00000001c3387000 from 27
> [ 1072.283552] amdgpu 0000:0b:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031
> [ 1072.283557] amdgpu 0000:0b:00.0: [gfxhub] retry page fault
> (src_id:0 ring:0 vmid:3 pasid:32769, for process gnome-shell pid 1948
> thread gnome-shel:cs0 pid 1983)
> [ 1072.283559] amdgpu 0000:0b:00.0:   in page starting at address
> 0x00000001c3388000 from 27
> [ 1072.283560] amdgpu 0000:0b:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031
> [ 1072.283565] amdgpu 0000:0b:00.0: [gfxhub] retry page fault
> (src_id:0 ring:0 vmid:3 pasid:32769, for process gnome-shell pid 1948
> thread gnome-shel:cs0 pid 1983)
> [ 1072.283566] amdgpu 0000:0b:00.0:   in page starting at address
> 0x00000001c338c000 from 27
> [ 1072.283568] amdgpu 0000:0b:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00301031
>
> All Vega GPU is affected: Vega 56, Vega 64, Radeon VII
>
> --
> Best Regards,
> Mike Gavrilov.
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