Before we revert we should see if newer firmware fixes the issue, and
make sure we are only changing the specific firmware files for your
hardware.

I think your hardware is the "Picasso" series. Can you try the
following? If you are unsure about any of the following steps, let me
know and I can provide you with test packages to install instead.

Save all files matching /lib/firmware/amdgpu/picasso* from linux-
firmware 1.190.5. Reinstall 1.197, then overwrite the picasso firmware
files with the ones you saved. Reboot, and confirm that the issues you
see with 1.197 are fixed. If they are not fixed, then there's no need to
proceed as we haven't found the correct firmware files which are causing
your issues.

Then please download the picasso firmware files from here:

https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-
firmware.git/tree/amdgpu

Use the "plain" link next to each file to download the file. Overwrite
the files in /lib/firmware/admgpu with these files, reboot, and see if
you continue to have problems.

** Changed in: linux-firmware (Ubuntu)
   Importance: Undecided => High

** Changed in: linux-firmware (Ubuntu)
       Status: New => Incomplete

** Changed in: linux-firmware (Ubuntu)
     Assignee: (unassigned) => Seth Forshee (sforshee)

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1928393

Title:
  linux-firmware 1.197 causes kernel to report error "amdgpu: [gfxhub0]
  retry page fault"

Status in linux-firmware package in Ubuntu:
  Incomplete

Bug description:
  After upgrading linux-firmware from 1.190.5 to 1.197 (as part of the
  upgrade from Ubuntu 20.10 to 21.04), I started experiencing frequent
  and severe GPU instability. When this happens, I see this error in
  dmesg:

  [20061.061069] amdgpu 0000:03:00.0: amdgpu: [gfxhub0] retry page fault 
(src_id:0 ring:0 vmid:1 pasid:32769, for process Xorg pid 1141 thread Xorg:cs0 
pid 1236)
  [20061.061103] amdgpu 0000:03:00.0: amdgpu:   in page starting at address 
0x800000401000 from client 27
  [20061.061135] amdgpu 0000:03:00.0: amdgpu: 
VM_L2_PROTECTION_FAULT_STATUS:0x00101031
  [20061.061147] amdgpu 0000:03:00.0: amdgpu:      Faulty UTCL2 client ID: TCP 
(0x8)
  [20061.061157] amdgpu 0000:03:00.0: amdgpu:      MORE_FAULTS: 0x1
  [20061.061167] amdgpu 0000:03:00.0: amdgpu:      WALKER_ERROR: 0x0
  [20061.061174] amdgpu 0000:03:00.0: amdgpu:      PERMISSION_FAULTS: 0x3
  [20061.061183] amdgpu 0000:03:00.0: amdgpu:      MAPPING_ERROR: 0x0
  [20061.061189] amdgpu 0000:03:00.0: amdgpu:      RW: 0x0

  I'll attach a couple of full dmesgs that I collected.

  Many of the times when this happens, the screen and keyboard freeze
  irreversibly (I tried waiting for more than 30 minutes, but it doesn't
  help). I can still log in via ssh though. When there's no freeze, I
  can continue using the computer normally, but the laptop fans keep
  running are always running and the battery depletes fast. There's
  probably something on a permanent loop either in the kernel or in the
  GPU.

  This bug happens several times a day, rendering the machine so
  unstable as to be almost unusable. It is a severe regression and I'm
  aghast that it passed AMD's Quality Assurance.

  After downgrading back to linux-firmware 1.190.5, the machine is back
  to the previous, mostly-reliable state. Which is to say, this bug is
  gone, I'm just left with the other amdgpu suspend bug I've learned to
  live with since I bought this computer.

  Please revert the amdgpu firmware in this package as soon as possible.
  This is unbearable.

  Relevant information:
  Ubuntu version: 21.04
  Linux kernel: 5.11.0-17-generic x86_64
  CPU model: AMD Ryzen 7 3700U with Radeon Vega Mobile Gfx
  GPU: 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. 
[AMD/ATI] Picasso (rev c1)
  Laptop model: Lenovo Ideapad S145

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