I just like to note that my issues with the clock were solved when I switched to acpi_pm clock. I can still reproduce the hang with the kvm_clock though.
I still use ntpd in the guests, as it is not clear to me whether the acpi_pm clock synchronizes to the hostclock or not. [EMAIL PROTECTED]:~$ uptime 00:15:21 up 13 days, 21:44, 1 user, load average: 0.00, 0.00, 0.00 In case you want some more info on the hangs when using kvm_clock, please drop me a mail. Cheers and thanks for all your help +rl On Sat, Nov 22, 2008 at 00:46, Roland Lammel <[EMAIL PROTECTED]> wrote: > 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." > -- 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." N�����r��y����b�X��ǧv�^�){.n�+����h����ܨ}���Ơz�&j:+v�������zZ+��+zf���h���~����i���z� �w���?�����&�)ߢf
