On Fri, Nov 21, 2008 at 10:01 PM, Daniel P. Berrange <[EMAIL PROTECTED]> wrote: > On Fri, Nov 21, 2008 at 09:29:43PM +0100, Roland Lammel wrote: >> On Fri, Nov 21, 2008 at 4:55 PM, Glauber Costa <[EMAIL PROTECTED]> wrote: >> > On Thu, Nov 20, 2008 at 02:56:00AM +0100, Marcelo Tosatti wrote: >> >> >> >> Why are you using -no-acpi? Perhaps switch the guest to acpi_pm to isolate >> >> kvm-clock issues? >> >> I've changed one guest to use acpi and use the acpi_pm clock source. >> >> Running now with: >> /usr/local/bin/qemu-system-x86_64 -S -M pc -m 500 -smp 1 -name bit >> -monitor pty -no-acpi -boot c -drive >> file=/var/kvm/bit.img,if=virtio,index=0,boot=on -net >> nic,macaddr=24:42:53:21:52:45,vlan=0,model=virtio -net >> tap,fd=11,script=,vlan=0,ifname=vnet0 -serial tcp:127.0.0.1:50401 >> -parallel none -usb -vnc 0.0.0.0:45001 >> >> Actually I had similar problems when using kvm-72 and acpi, and after >> switching to libvirt for configuration it automatically changed to >> no-acpi which I just left that way to try it. I've read mixed >> recommendaction concerning ACPI. > > FYI, libvirt allows you to turn ACPI on or off. In the XML document, > the top level <domain> tag can contains a set of features, one of > which is ACPI, eg. > > > <domain type='kvm'> > <name>foo</name> > ..... > <features> > <acpi/> > </features> > .... > </domain> > > If the '<acpi/>' tag is left out, libvirt will add -no-acpi to QEMU > command line.
Thanks, just found the acpi flag today and am using it now for the domains. > For more information check out the docs here: > > http://libvirt.org/formatdomain.html#elementsFeatures > >> So should acpi be enabled generelly (for modern kernels and systems)? >> Should ntpd be running on the guests, or just the host when using acpi_pm? > > The virt-install & virt-manager tools will enable ACPI by default for > nearly all OS, except for a couple of very old Windows which don;t > commonly work I actually installed the domain manually once and just cloned it, but thanks to point that out! Regards +rl -- Roland Lammel QuikIT - IT Lösungen - flexibel und schnell Web: http://www.quikit.at Email: [EMAIL PROTECTED] "Enjoy your job, make lots of money, work within the law. Choose any two." -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
