On Fri, Jun 25, 2010 at 06:08:07PM +0200, Guido Winkelmann wrote: > This is the guest's XML config: > ===================== > <domain type='kvm'> > <name>testserver-a</name> > <uuid>ce57ebe0-ea37-0353-bbe0-e23dbbd17708</uuid> > <description>libvirt C-API Test</description> > <memory>262144</memory> > <currentMemory>262144</currentMemory> > <vcpu>1</vcpu> > <os> > <type arch='x86_64' machine='pc-0.13'>hvm</type> > <boot dev='hd'/> [snip] > ===================== > > (as found in /usr/local/etc/libvirt/qemu/) > > and here are the last few lines from the logfile > (/usr/local/var/log/libvirt/qemu/testserver-a.log): Have you set any LIBVIRT_LOG environment variables or set any of the logging settings in /etc/libvirt/libvirtd.conf ? If so, which ones ? Your log file contains alot of stuff I wouldn't normally expect to be there & I wonder if there is a verbose logging level enabled that is causing a buffer overflow somewhre ? > > ===================== > LC_ALL=C > PATH=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin > HOME=/root USER=root LOGNAME=root QEMU_AUDIO_DRV=none /usr/bin/qemu-kvm -S -M > pc-0.13 -enable-kvm -m 256 -smp 1,sockets=1,cores=1,threads=1 -name > testserver-a -uuid ce57ebe0-ea37-0353-bbe0-e23dbbd17708 -nodefaults -chardev > socket,id=monitor,path=/usr/local/var/lib/libvirt/qemu/testserver- > a.monitor,server,nowait -mon chardev=monitor,mode=readline -rtc base=utc -no- > acpi -boot c -device lsi,id=scsi0,bus=pci.0,addr=0x7 -drive > file=/data/testserver-a-system.img,if=none,id=drive-scsi0-0-1,boot=on -device > scsi-disk,bus=scsi0.0,scsi-id=1,drive=drive-scsi0-0-1,id=scsi0-0-1 -drive > file=/data/testserver-a-data1.img,if=none,id=drive-virtio-disk1 -device > virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk1,id=virtio-disk1 - > drive file=/data/testserver-a-data2.img,if=none,id=drive-virtio-disk2 -device > virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk2,id=virtio-disk2 - > drive file=/data/gentoo-install-amd64- > minimal-20100408.iso,if=none,media=cdrom,id=drive-ide0-0-0,readonly=on -device > ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -drive > file=/data/testserver-a_configfloppy.img,if=none,id=drive-fdc0-0-0 -global > isa-fdc.driveA=drive-fdc0-0-0 -device > e1000,vlan=0,id=net0,mac=52:54:00:84:6d:69,bus=pci.0,addr=0x6 -net > tap,fd=22,vlan=0,name=hostnet0 -usb -vnc 127.0.0.1:1,password -k de -vga > cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 > 17:21:14.760: debug : virCgroupNew:542 : New group /libvirt/qemu/testserver-a > 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 0:cpu at > /mnt/cgroups/cpu in /sysdefault > 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 1:cpuacct > at /mnt/cgroups/cpuacct in /sysdefault > 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 3:memory at > /mnt/cgroups/memory in /sysdefault > 17:21:14.760: debug : virCgroupDetect:232 : Detected mount/mapping 4:devices > at /mnt/cgroups/devices in /sysdefault > 17:21:14.760: debug : virCgroupMakeGroup:484 : Make group > /libvirt/qemu/testserver-a > 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller > /mnt/cgroups/cpu/sysdefault/libvirt/qemu/testserver-a/ > 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller > /mnt/cgroups/cpuacct/sysdefault/libvirt/qemu/testserver-a/ > 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller > /mnt/cgroups/memory/sysdefault/libvirt/qemu/testserver-a/ > 17:21:14.760: debug : virCgroupMakeGroup:496 : Make controller > /mnt/cgroups/devices/sysdefault/libvirt/qemu/testserver-a/ > 17:21:14.760: debug : virCgroupSetValueStr:277 : Set value > '/mnt/cgroups/cpu/sysdefault/libvirt/qemu/testserver-a/tasks' to '1761' > 17:21:14.770: debug : virCgroupSetValueStr:277 : Set value > '/mnt/cgroups/cpuacct/sysdefault/libvirt/qemu/testserver-a/tasks' to '1761' > 17:21:14.778: debug : virCgroupSetValueStr:277 : Set value > '/mnt/cgroups/memory/sysdefault/libvirt/qemu/testserver-a/tasks' to '1761' > 17:21:14.789: debug : virCgroupSetValueStr:277 : Set value > '/mnt/cgroups/devices/sysdefault/libvirt/qemu/testserver-a/tasks' to '1761' > 17:21:14.802: debug : qemudInitCpuAffinity:2227 : Setting CPU affinity > 17:21:14.803: debug : qemuSecurityDACSetProcessLabel:546 : Dropping privileges > of VM to 0:0 > Supported machines are: > pc Standard PC (alias of pc-0.12) > pc-0.12 Standard PC (default) > pc-0.11 Standard PC, qemu 0.11 > pc-0.10 Standard PC, qemu 0.10 > isapc ISA-only PC This is the ultimate problem - your guest XML lists 'pc-0.13', so I assume you must have deployed this guest with a newer QEMU and now trying to start it with an older one. Changing the XML to list one of these valid machine types should let you start the guest Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://deltacloud.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list