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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Hi All, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> When use amd radeon pro wx5100 with opensource driver(mesa17.2.8 ,
</span><span lang="EN-US" style="color:#1F497D">llvm5.0, </span><span lang="EN-US" style="color:#1F497D">kernel v4.17, Ubuntu17.10), GPU hung happened accidentally:
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> [260362.362835] amdgpu 0005:01:00.0: GPU fault detected: 146 0x02c0082c<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.5pt"><span lang="EN-US" style="color:#1F497D">[260362.369366] amdgpu 0005:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00100058<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.5pt"><span lang="EN-US" style="color:#1F497D">[260362.377099] amdgpu 0005:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0400802C<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><span lang="EN-US" style="color:#1F497D">[260362.384781] amdgpu 0005:01:00.0: VM fault (0x2c, vmid 2, pasid 32792) at page 1048664, read from 'TC0' (0x54433000) (8)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><span lang="EN-US" style="color:#1F497D">[260372.423402] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, last signaled seq=132702874, last emitted seq=132702877<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><span lang="EN-US" style="color:#1F497D">[260372.435267] [drm] IP block:gfx_v8_0 is hung!<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:10.5pt;mso-para-margin-left:1.0gd"><span lang="EN-US" style="color:#1F497D">[260372.435276] [drm] GPU recovery disabled.<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">I have seen the similar problem in :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><a href="https://bugs.freedesktop.org/show_bug.cgi?id=102322">https://bugs.freedesktop.org/show_bug.cgi?id=102322</a><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 have used umr to dump the gfx info and attached:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.5pt"><span lang="EN-US" style="color:#1F497D">umr -lb<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.5pt"><span lang="EN-US" style="color:#1F497D">umr -R gfx[.]<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.5pt"><span lang="EN-US" style="color:#1F497D">umr -R sdma0[.]<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:10.5pt"><span lang="EN-US" style="color:#1F497D">umr -R sdma1[.]<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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Please </span><span lang="EN-US" style="color:#1F497D">have a look and
</span><span lang="EN-US" style="color:#1F497D">help</span><span lang="EN-US" style="color:#1F497D"> this</span><span lang="EN-US" style="color:#1F497D">, Thanks : )<o:p></o:p></span></p>
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