[Bug 106870] [Raven Ridge occasionally hangs] VM_L2_PROTECTION_FAULT_STATUS:0x00000000

[Bug 106870] [Raven Ridge occasionally hangs] VM_L2_PROTECTION_FAULT_STATUS:0x00000000

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106870

            Bug ID: 106870
           Summary: [Raven Ridge occasionally hangs]
                    VM_L2_PROTECTION_FAULT_STATUS:0x00000000
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: zapduke@gmail.com

Created attachment 140109
  --> https://bugs.freedesktop.org/attachment.cgi?id=140109&action=edit
Freeze before launching android emulator

X become unresponsive occasionally during the day, it usually happens before
launching applications but it's not reproducible constantly, it also happens
while browsing in Firefox. I have attached the log when it happened before
launching the android emulator (amdgpu.vm_debug was set to true to show the
stack trace). I can reboot the machine with a sysRq but everything graphical is
freeze. Sometime it says gfxhub others mmhub.
Ubuntu 18.04, Kernel is 4.17 from the kernel-ppa, asrock ab350m pro4 updated to
the latest test firmware with AGESA 1.0.0.3b to see if it fixed the problem but
still happens, mesa stack from the oibaf ppa, with padoka it seems the error
appears less frequently and the error is usually silent and can only see this
"[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, last signaled
seq=453604"

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[Bug 106870] [Raven Ridge occasionally hangs] VM_L2_PROTECTION_FAULT_STATUS:0x00000000

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https://bugs.freedesktop.org/show_bug.cgi?id=106870

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
The attached dmesg looks like bug 106418.

Other than that, per https://bugs.freedesktop.org/show_bug.cgi?id=105251#c9 ,
try the latest microcode files from
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/amdgpu
and make sure LLVM is version >= 6.

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[Bug 106870] [Raven Ridge occasionally hangs] VM_L2_PROTECTION_FAULT_STATUS:0x00000000

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https://bugs.freedesktop.org/show_bug.cgi?id=106870

--- Comment #2 from Luca <zapduke@gmail.com> ---
I think they are the same bug but in the title it was mentioned it was
occurring during boot and that is not my case although I have this problem at
boot (https://bugs.freedesktop.org/show_bug.cgi?id=106225). I've updated the
microcode to the latest version, llvm was already at version 6. It seems it
happens again but more rarely, it happened now after 7 hours of uptime.

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[Bug 106870] [Raven Ridge occasionally hangs] VM_L2_PROTECTION_FAULT_STATUS:0x00000000

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https://bugs.freedesktop.org/show_bug.cgi?id=106870

Luca <zapduke@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Luca <zapduke@gmail.com> ---
I have updated the microcode for raven ridge, Mesa 18.0.5 and the microcode of
the CPU also. I haven't had a problem in 2 days so I considered it solved.

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