From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 105251] [Vega10]  GPU lockup on boot: VMC page fault
Date: Mon, 26 Feb 2018 09:39:09 +0000
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--15196379480.1Cf3.17268
Date: Mon, 26 Feb 2018 09:39:08 +0000
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https://bugs.freedesktop.org/show_bug.cgi?id=3D105251

            Bug ID: 105251
           Summary: [Vega10]  GPU lockup on boot: VMC page fault
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: ssorgatem@gmail.com

Happens on linux > 4.16 (also on the amd-staging-4.17-wip) but not on 4.15

Here are the relevant lines from dmesg:

[   33.835186] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835188] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835189] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835193] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835195] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835196] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835200] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835202] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835203] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835207] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835208] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835210] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835214] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835215] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835217] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835220] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835222] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835223] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835227] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835229] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835230] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835234] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835235] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835237] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   43.998837] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
last signaled seq=3D6, last emitted seq=3D7
[   43.998848] [drm] No hardware hang detected. Did some blocks stall?

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--15196379480.1Cf3.17268
Date: Mon, 26 Feb 2018 09:39:08 +0000
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<html>
    <head>
      <base href=3D"https://bugs.freedesktop.org/">
    </head>
    <body><table border=3D"1" cellspacing=3D"0" cellpadding=3D"8">
        <tr>
          <th>Bug ID</th>
          <td><a class=3D"bz_bug_link=20
          bz_status_NEW "
   title=3D"NEW - [Vega10] GPU lockup on boot: VMC page fault"
   href=3D"https://bugs.freedesktop.org/show_bug.cgi?id=3D105251">105251</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[Vega10]  GPU lockup on boot: VMC page fault
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>DRI git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>blocker
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/AMDgpu
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel&#64;lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ssorgatem&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Happens on linux &gt; 4.16 (also on the amd-staging-4.17-wip) =
but not on 4.15

Here are the relevant lines from dmesg:

[   33.835186] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835188] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835189] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835193] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835195] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835196] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835200] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835202] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835203] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835207] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835208] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835210] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835214] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835215] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835217] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835220] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835222] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835223] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835227] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835229] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835230] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   33.835234] amdgpu 0000:26:00.0: [gfxhub] VMC page fault (src_id:0 ring:=
158
vmid:1 pas_id:0)
[   33.835235] amdgpu 0000:26:00.0:   at page 0x0000000100000000 from 27
[   33.835237] amdgpu 0000:26:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[   43.998837] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
last signaled seq=3D6, last emitted seq=3D7
[   43.998848] [drm] No hardware hang detected. Did some blocks stall?</pre>
        </div>
      </p>


      <hr>
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      <ul>
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