Re: 7840U amdgpu MMVM_L2_PROTECTION_FAULT_STATUS

["Christian König" <christian.koenig@amd.com>]

Can you bisect where exactly between 6.6.0 and 6.7.4 the problems started?

Thanks,
Christian.

Am 15.02.24 um 16:59 schrieb Michael Zimmermann:
> I have a Framework 13 with a 7840U and started having massive GPU
> driver issues a few weeks ago (including system freezes).
> Unfortunately the information of when exactly this started to happen
> is gone, but It should be somewhere in between 6.6.0 and 6.7.4.
> I got many different and random dmesg-errors and system behaviors, but
> I currently can only reproduce one, so let's focus on that for now.
>
> First some basic info:
> I'm on Arch Linux using the `linux` kernel package.(currently at 6.7.4).
> I have an external monitor connected via a thinkpad thunderbolt 4 dock.
> I am using amdgpu.sg_display=0 and VRAM sharing is configured to
> UMA_GAME_OPTIMIZED in the firmware settings.
>
> If I start playing a youtube video in firefox with hardware
> acceleration enabled, it stutters until it stops playing after a few
> seconds. I can see this in the kernel log. I see this multiple times
> for many different addresses.
> [ 5641.070540] amdgpu 0000:c1:00.0: amdgpu: [mmhub] page fault
> (src_id:0 ring:40 vmid:1 pasid:32786, for process RDD Process pid 3680
> thread firefox-bi:cs0 pid 3852)
> [ 5641.070549] amdgpu 0000:c1:00.0: amdgpu:   in page starting at
> address 0x0000000000020000 from client 18
> [ 5641.070553] amdgpu 0000:c1:00.0: amdgpu:
> MMVM_L2_PROTECTION_FAULT_STATUS:0x00143A51
> [ 5641.070556] amdgpu 0000:c1:00.0: amdgpu:      Faulty UTCL2 client
> ID: unknown (0x1d)
> [ 5641.070559] amdgpu 0000:c1:00.0: amdgpu:      MORE_FAULTS: 0x1
> [ 5641.070561] amdgpu 0000:c1:00.0: amdgpu:      WALKER_ERROR: 0x0
> [ 5641.070563] amdgpu 0000:c1:00.0: amdgpu:      PERMISSION_FAULTS: 0x5
> [ 5641.070565] amdgpu 0000:c1:00.0: amdgpu:      MAPPING_ERROR: 0x0
> [ 5641.070567] amdgpu 0000:c1:00.0: amdgpu:      RW: 0x1
>
> Thanks
> Michael