<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 3 Oct 2016, at 10:39, Davide Ferrari <<a href="mailto:davide@billymob.com" class="">davide@billymob.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><br class=""><div class="gmail_extra"><br class=""><div class="gmail_quote">2016-09-30 15:35 GMT+02:00 Michal Skrivanek <span dir="ltr" class=""><<a href="mailto:michal.skrivanek@redhat.com" target="_blank" class="">michal.skrivanek@redhat.com</a>></span>:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><br class=""><br class=""><div class="">that is a very low level error really pointing at HW issues. It may or may not be detected by memtest…but I would give it a try</div><div class=""><span class=""><br class=""></span></div></div></blockquote><div class=""><br class=""></div><div class="">I left memtest86 running for 2 days and no error detected :(<br class=""> <br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class=""><span class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="">The only difference that this host (vmhost01) has is that it was the first host installed in my self-hosted engine installation. But I have already reinstalled it from GUI and menawhile I've upgraded to 4.0.4 from 4.0.3.<br class=""></div></div></div></blockquote><div class=""><br class=""></div></span><div class="">does it happen only for the big 96GB VM? The others which you said are working, are they all small?</div>Might be worth trying other system stability tests, playing with safer/slower settings in BIOS, use lower CPU cluster, etc</div><div class=""><div class="h5"><br class=""></div></div></div></blockquote><div class=""><br class=""></div><div class="">Yep, it happens only for the 96GB VM. Other VMs with fewer RAM (16GB for example) can be created on or migrated to that host flawlessly. I'll try to play a little with BIOS settings but otherwise I'll have the HW replaced. I was only trying to rule out possible oVirt SW problems due to that host being the first I deployed (from CLI) when I installed the cluster.<br class=""></div></div></div></div></div></blockquote><div><br class=""></div>I understand. Unfortunately it really does look like some sort of incompatibility rather than a sw issue:/</div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote"><div class=""><br class=""></div><div class="">Thanks!<br class=""></div></div><br class="">-- <br class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">Davide Ferrari<br class=""></div>Senior Systems Engineer<br class=""></div></div>
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