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Thanks, and sorry about that (I did test hsa/rocm only). I am reverting the change for now (it is being tested).</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Michel Dänzer <michel@daenzer.net><br>
<b>Sent:</b> Tuesday, October 30, 2018 1:32 PM<br>
<b>To:</b> Konstantin Zhuravlyov<br>
<b>Cc:</b> llvm-commits@lists.llvm.org; Jan Vesely<br>
<b>Subject:</b> Re: [llvm] r345542 - AMDGPU: Enable code object v3 by default</font>
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Hi Konstantin,<br>
<br>
<br>
On 2018-10-29 10:07 p.m., Konstantin Zhuravlyov via llvm-commits wrote:<br>
> Author: kzhuravl<br>
> Date: Mon Oct 29 14:07:27 2018<br>
> New Revision: 345542<br>
> <br>
> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=345542&view=rev">http://llvm.org/viewvc/llvm-project?rev=345542&view=rev</a><br>
> Log:<br>
> AMDGPU: Enable code object v3 by default<br>
> <br>
> Differential Revision: <a href="https://reviews.llvm.org/D53525">https://reviews.llvm.org/D53525</a><br>
<br>
This change caused GPU hangs when running the piglit OpenCL tests using<br>
the Mesa radeonsi driver on Bonaire, via the clover state tracker. Below<br>
is an example of a GPUVM fault which accompanies the hang.<br>
<br>
I'm afraid I don't have time to dig further.<br>
<br>
<br>
[ 281.082465] amdgpu 0000:23:00.0: GPU fault detected: 146 0x0008480c<br>
[ 281.082502] amdgpu 0000:23:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00000000<br>
[ 281.082533] amdgpu 0000:23:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0804800C<br>
[ 281.082566] amdgpu 0000:23:00.0: VM fault (0x0c, vmid 4, pasid 0) at page 0, read from 'TC2' (0x54433200) (72)<br>
<br>
<br>
-- <br>
Earthling Michel Dänzer | <a href="http://www.amd.com">
http://www.amd.com</a><br>
Libre software enthusiast | Mesa and X developer<br>
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