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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Vega10] GPU lockup on boot: VMC page fault"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105251">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@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ssorgatem@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>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=6, last emitted seq=7
[ 43.998848] [drm] No hardware hang detected. Did some blocks stall?</pre>
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