Re: CONFIG_NO_HZ: missed ticks, stall (keyb IRQ required) [2.6.18-rc4-mm1]

[Thomas Gleixner <tglx@linutronix.de>]

On Tue, 2006-11-07 at 23:27 +0100, Andreas Mohr wrote:
> I applied the patch, the changes *are* in the tree and I did create and
> install a new image (with CONFIG_NO_HZ re-enabled and C1 hard-wiring removed),
> but it failed again, completely. The usual hang during boot with
> keyboard activity required, and then it didn't even manage to finish booting
> (I probably was too slow in generating the necessary amount of events).
> 
> Let me think a bit about that stuff, maybe I'll be able to figure out what's
> happening on my system. Or any other ideas?
> (since I would like to somehow get this resolved without less than perfect
> workarounds if possible)

Yes, I'm going to drop the detection as it can never be perfect and
enforce the PIT usage on UP boxen, as it seems that the lapic / BIOS
crap is more or less unfixable. Working on a patch against rc5-mm1 right
now.

	tglx


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