Re: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3

[Pavel Machek]

Hi!

> > > What happens when you disable it at runtime before suspending?
> > >
> > > echo 0 > /sys/devices/system/dyn_tick/dyn_tick0/enable
> >
> > This has no effect. The system stalls at exactly the same point. The
> > last lines on my screen are:
> 
> Ok perhaps on the resume side instead. When trying to resume can you try 
> booting with 'dyntick=disable'. Note this isn't meant to be a long term fix 
> but once we figure out where the problem is we should be able to code around 
> it.

Can you reproduce it using plain swsusp?

We probably need more carefull suspend/resume support on timer with dyntick
enabled.

With vanilla, timer just ticks on constant rate; no state to save.
With dyntick, however...
				Pavel
-- 
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms         

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/