
<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>What about magic sysrq ? Does that still react? Screen frozen or black?<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 28.12.2014 um 17:37 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 random host freeze since around 1 week,</span><br><span></span><br><span>all hosts are opteron 63XX or 61XX.</span><br><span></span><br><span>kernel is pve-kernel-3.10-4 or pve-kernel-3.10-5, qemu 2.1.</span><br><span></span><br><span>They were all fine since months.</span><br><span></span><br><span>I have also tried last rhel 7.1beta kernel with no success.</span><br><span></span><br><span></span><br><span>I really don't known how to debug that, because the system freeze, and I don't have any kernel panic output in display or serial.</span><br><span></span><br><span></span><br><span>Can somebody help me to add something to have debug output ?</span><br><span></span><br><span>I have see some doc about kdump</span><br><span><a href="http://wiki.incloudus.com/display/DOC/Debian+-+Kdump">http://wiki.incloudus.com/display/DOC/Debian+-+Kdump</a></span><br><span><a href="https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s2-kdump-configuration-cli.html">https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/s2-kdump-configuration-cli.html</a></span><br><span></span><br><span>Is it the best option I have to have some debug info ?</span><br><span></span><br><span></span><br><span></span><br><span></span><br><span></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>