Hi!
> > > > I think I have an idea on what's going on; Your system does not wake to
> > > > APIC interrupt, and the system timer updates time only on other interrupts.
> > > > I'm experiencing the same on a loaner ThinkPad T30.
> > > >
> > > > I'll try to do another patch today. Meanwhile it now should work
> > > > without lapic in cmdline.
> > >
> > > Following is an updated patch. Anybody having trouble, please try
> > > disabling CONFIG_DYN_TICK_USE_APIC Kconfig option.
> > >
> > > I'm hoping this might work on Pavel's machine too?
> >
> > The "volume hang" was explained: I was using CPU frequency scaling, it
> > probably did not like that. After disabling CPU frequency scaling, it
> > seems to work ok:
>
> OK, good. I assume this was the same machine that did not work with
> any of the earlier patches
I did testing on that machine today, and yes it works okay if I disable the
NO_IDLE_HZ_USE_APIC (or how is it called) option. Time problems are gone.
Pavel
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
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