<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Is it only with 3.16 kernel? Haven't seen this yet.<br><br>Stefan<div><br></div><div>Excuse my typo s<span style="font-size: 13pt;">ent from my mobile phone.</span></div></div><div><br>Am 28.08.2015 um 16:31 schrieb Alexandre DERUMIER <<a href="mailto:aderumier@odiso.com">aderumier@odiso.com</a>>:<br><br></div><blockquote type="cite"><div><span>Hi,</span><br><span></span><br><span>I have add this bug, which occur after live migration:</span><br><span></span><br><span><a href="https://code.google.com/p/ganeti/issues/detail?id=986">https://code.google.com/p/ganeti/issues/detail?id=986</a></span><br><span><a href="https://groups.google.com/forum/#!topic/ganeti/D2Yos3BShmc">https://groups.google.com/forum/#!topic/ganeti/D2Yos3BShmc</a></span><br><span><a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785557#64">https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785557#64</a></span><br><span></span><br><span></span><br><span>qemu 2.4 or 2.1 and guest kernel 3.16 (debian jessie).</span><br><span></span><br><span></span><br><span>The bug is that after a live migration, the steal cpu counter just freeze at 100%</span><br><span></span><br><span># mpstat</span><br><span>Linux 3.16.0-4-amd64 (radinsapi1) 28/08/2015 _x86_64_ (8 CPU)</span><br><span></span><br><span>16:24:51 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %gnice %idle</span><br><span>16:24:51 all 0,00 0,00 0,00 0,00 0,00 0,00 99,92 0,00 0,00 0,08</span><br><span></span><br><span></span><br><span>Seem to be a qemu bug, the workaround seem to use -kvm_steal_time cpu flag.</span><br><span>But I don't known if they are an performance impact or not.</span><br><span></span><br><span>Does somebody already have had this bug ?</span><br><span></span><br><span>Alexandre</span><br><span>_______________________________________________</span><br><span>pve-devel mailing list</span><br><span><a href="mailto:pve-devel@pve.proxmox.com">pve-devel@pve.proxmox.com</a></span><br><span><a href="http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel">http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel</a></span><br></div></blockquote></body></html>