<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <p style="font-family:Arial;font-size:10pt;color:#0078D7;margin:15pt;" align="Left"> [AMD Official Use Only - Internal Distribution Only]<br> </p> <br> <div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> ><font size="2"><span style="font-size:11pt">I know RX570 (polaris) should stay at PCI3 as far as I know.</span></font><br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Yep... thought I remembered you mentioning having a 5700XT though... is that in a different system ?<br> </div> <div> <div id="appendonsend"></div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> <br> </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Clemens Eisserer <linuxhippy@gmail.com><br> <b>Sent:</b> March 9, 2020 2:30 AM<br> <b>To:</b> Bridgman, John <John.Bridgman@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br> <b>Subject:</b> Re: Possibility of RX570 responsible for spontaneous reboots (MCE) with Ryzen 3700x?</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt"> <div class="PlainText">Hi John,<br> <br> Thanks a lot for taking the time to look at this, even if it doesn't<br> seem to be GPU related at first.<br> <br> > OK, that's a bit strange... I found mce log and MCE-Ryzen-Decoder as options for decoding.<br> Sorry for omitting that information - indeed I was using<br> MCE-Ryzen-Decoder, thanks for pointing to mcelog.<br> The mce log output definitivly makes more sense, I'll try to<br> experiment a bit with RAM.<br> <br> Thanks also for the link to the forum, seems of all the affected users,<br> no one reported success in that thread.<br> <br> > For something as simple as the GPU bus interface not responding to an access<br> > by the CPU I think you would get a different error (bus error) but not 100% sure about that.<br> ><br> > My first thought would be to see if your mobo BIOS has an option to force PCIE<br> > gen3 instead of 4 and see if that makes a difference. There are some amdgpu module parms<br> > related to PCIE as well but I'm not sure which ones to recommend.<br> <br> I'll give it a try and have a look at the pcie options - but as far as<br> I know RX570 (polaris) should stay at PCI3 as far as I know.<br> Disabling IOMMU didn't help as far as I recall.<br> <br> Thanks & best regards, Clemens<br> </div> </span></font></div> </div> </div> </body> </html>