I have same problem described in earlier thread: http://lists.xen.org/archives/html/xen-devel/2013-08/msg01395.html Trying to start HVM domain leads to dom0 crash (simple cold reboot). My system is openSUSE 13.1 RC2 with Xen 4.3.0 My hardware is ASRock FM2A75 Pro4 AMD A8-6600K APU Gigabyte Radeon 7850 8 Gb DDR3 1600Mhz I have setup serial console and could provide logs your requested. Attached logs from xl dmesg, dom0 dmesg and serial console with: loglvl=all iommu=debug,verbose apic_verbosity=debug cpuinfo console=com1 com1=115200,8n1,pci _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel