<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:ËÎÌå;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"\@ËÎÌå";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;}
/* Page Definitions */
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="ZH-CN" link="#0563C1" vlink="#954F72" style="text-justify-trim:punctuation">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Hi all,</span><span lang="EN-US" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> We have gpu VM Fault problem sometimes with newest V4.15 kernel driver and mesa V17.2.8<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">My gpu is Radeon Pro WX7100<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">There is a lot of kernel log printed like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990185] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0608d20c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990192] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001AE2C1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990195] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x080D200C<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990199] amdgpu 000d:31:00.0: VM fault (0x0c, vmid 4) at page 1761985, read from 'CBC7' (0x43424337) (210)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990206] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0608e20c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990208] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001AE2C1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990210] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x09062014<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990214] amdgpu 000d:31:00.0: VM fault (0x14, vmid 4) at page 1761985, write from 'CBC0' (0x43424330) (98)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990220] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0608a20c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990223] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001AE2B1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990225] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x080A200C<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990228] amdgpu 000d:31:00.0: VM fault (0x0c, vmid 4) at page 1761969, read from 'CBC4' (0x43424334) (162)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990235] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0608920c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990238] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001AE2B0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990240] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x080A200C<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990243] amdgpu 000d:31:00.0: VM fault (0x0c, vmid 4) at page 1761968, read from 'CBC4' (0x43424334) (162)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990250] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0608620c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990252] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001AE2BA<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990254] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x080A200C<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990257] amdgpu 000d:31:00.0: VM fault (0x0c, vmid 4) at page 1761978, read from 'CBC4' (0x43424334) (162)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990264] amdgpu 000d:31:00.0: GPU fault detected: 146 0x0608520c<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990266] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001AE2C1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Jan 31 13:35:44 ubuntu kernel: [120749.990269] amdgpu 000d:31:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0805200C<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">And I see the GPU has hung</span><span style="font-family:ËÎÌå;color:#1F497D">£¬</span><span lang="EN-US" style="color:#1F497D">the gpu load keep at 100% , the X server can not restart anymore.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
</body>
</html>