February 2018 - openSUSE Virtual - openSUSE Mailing Lists

Re: [opensuse-virtual] Re: [opensuse] where has independent_wallclock gone ?
by Jan Beulich 05 Feb '18

05 Feb '18

>>> On 05.02.18 at 12:56, <per(a)opensuse.org> wrote: > Jan Beulich wrote: >>>>> On 05.02.18 at 12:24, <per(a)opensuse.org> wrote: >>> I was just playing around with Leap15 as a guest and wanted to run >>> ntp, >>> but couldn't find the wallclock setting. I thought it might mean it >>> is no longer necessary to run ntp, i.e. that the guest would sync to >>> dom0. Are you saying that there is no need to set >>> independent_wallclock when running ntp in a DomU ? >> >> Generally you should turn on independent wall clock in a DomU if >> and only if you mean to run NTP within the guest. > > Right. How do I turn on independent wall clock in e.g. Leap423 or > Leap15 ? Why do you want to turn on something that's already on? You can't turn it _off_. Jan -- To unsubscribe, e-mail: opensuse-virtual+unsubscribe(a)opensuse.org To contact the owner, e-mail: opensuse-virtual+owner(a)opensuse.org

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Re: [opensuse-virtual] Re: [opensuse] where has independent_wallclock gone ?
by Jan Beulich 05 Feb '18

05 Feb '18

>>> On 05.02.18 at 12:24, <per(a)opensuse.org> wrote: > I was just playing around with Leap15 as a guest and wanted to run ntp, > but couldn't find the wallclock setting. I thought it might mean it is > no longer necessary to run ntp, i.e. that the guest would sync to dom0. > Are you saying that there is no need to set independent_wallclock when > running ntp in a DomU ? Generally you should turn on independent wall clock in a DomU if and only if you mean to run NTP within the guest. Jan -- To unsubscribe, e-mail: opensuse-virtual+unsubscribe(a)opensuse.org To contact the owner, e-mail: opensuse-virtual+owner(a)opensuse.org

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[opensuse-virtual] Re: [opensuse] where has independent_wallclock gone ?
by Per Jessen 05 Feb '18

05 Feb '18

Per Jessen wrote: > I have a xen guest running leap15 beta - whilst playing with chrony > and ntp, I noticed that independent_wallclock appears to have gone > away? > > It would normally reside here: /proc/sys/xen/ > > I don't see it in Leap15 nor in Leap423. The source file is arch/x86/kernel/time-xen.c It was still present in Leap421, kernel 4.1.39, but with leap422, kernel 4.4.27, it's gone. I know the xen patches are no longer needed, everything is in the kernel, but I cannot find anything that tells me what to do about independent_wallclock ? > It is not needed anymore? I can see my leap15 guest has lost two > second already, out of sync with dom0. A Leap423 guest is also losing time. (no NTP). -- Per Jessen, Zürich (-0.1°C) http://www.dns24.ch/ - your free DNS host, made in Switzerland. -- To unsubscribe, e-mail: opensuse-virtual+unsubscribe(a)opensuse.org To contact the owner, e-mail: opensuse-virtual+owner(a)opensuse.org

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