https://bugs.freedesktop.org/show_bug.cgi?id=108814

            Bug ID: 108814
           Summary: VMC page fault on POLARIS&RAVEN
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: domen.stangar@gmail.com

I tried it on two computers.


Linux (none) 4.20.0-rc1+ #8 SMP PREEMPT Tue Nov 20 00:24:49 CET 2018 x86_64 AMD
Athlon PRO 200GE w/ Radeon Vega Graphics AuthenticAMD GNU/Linux

Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org (0x1002)
    Device: AMD RAVEN (DRM 3.27.0, 4.20.0-rc1+, LLVM 7.0.0) (0x15dd)
    Version: 18.2.5

[   80.221112] amdgpu 0000:38:00.0: [gfxhub] VMC page fault (src_id:0 ring:32
vmid:2 pasid:32768, for process roles pid 358 thread roles:cs0 pid 359)
[   80.221116] amdgpu 0000:38:00.0:   in page starting at address
0x0000800000a94000 from 27
[   80.221118] amdgpu 0000:38:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00240C40

Other computer.
Linux amd1.blue.org 4.19.2 #1 SMP PREEMPT Tue Nov 20 21:41:52 CET 2018 x86_64
AMD Ryzen 7 1700X Eight-Core Processor AuthenticAMD GNU/Linux

Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org (0x1002)
    Device: AMD Radeon (TM) RX 460 Graphics (POLARIS11, DRM 3.27.0, 4.19.2,
LLVM 7.0.0) (0x67ef)
    Version: 18.2.5

[ 1253.329906] amdgpu 0000:0e:00.0: GPU fault detected: 147 0x09004802 for
process roles pid 1119 thread roles:cs0 pid 1120
[ 1253.329910] amdgpu 0000:0e:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x0000EB20
[ 1253.329911] amdgpu 0000:0e:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x0C048002
[ 1253.329914] amdgpu 0000:0e:00.0: VM fault (0x02, vmid 6, pasid 32769) at
page 60192, read from 'TC0' (0x54433000) (72)

Is this llvm or mesa issue ?
I also tried older kernel 4.16 same thing.

What reports do you need ?

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