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xen-devel
[Xen-devel] Re: Ping: Timer ISR backwards notices
> > I'm getting a lot of "Timer ISR: Time went backwards" printk's,
> > presumably thrown by xen's arch time.c (line 395 in
> > do_timer_interrupt).
> >
> > Is there some info I can provide to the team about this condition?
This is a quick ping about this issue, if indeed there is anything
meaningful to say about this issue.
> I noticed
<ack, keyboard slip. sorry.>
I meant to say I noticed that Scott Parish recently reported ntpd
problems because of consistent backwards jumps. It occurred to me the
problems might be related.
I can guess, but could a developer say a few words about the issues
involved with timer management and jumps under xen?
I get the problems also under qemu and bochs (as well as the previously
reported vmware), but I haven't compared to a real machine yet.
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