Re: [Opps] Invalid opcode

["S.Çağlar Onur" <caglar@pardus.org.tr>]

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Hi;

05 Kas 2006 Paz 20:57 tarihinde, Andi Kleen şunları yazmıştı: 
> Can you test with "noreplacement" to make sure?

I sorry for not to mention that, i tried noreplacement before reporting which 
is also ends up with same panic.

> Anyways I suspect we're just getting back some variant of the old CPU setup
> race.
>
> Normally CPU booting in Linux follows a special "cpu hotplug" state
> machine, but for historical reasons i386 only implements one state of 
> this. At one point we had a similar bug (but not in the callback on CPU #0,
> but in the timer on newly booted CPU). I don't see currently how it can
> happen (but i haven't thought very deeply about it yet)
>
> Probably your timing is just unlucky on those simulators.

Hmm, Novell bugzilla seems has similiar issues, 
https://bugzilla.novell.com/show_bug.cgi?id=204647 and its duplicated ones 
gaves same or similiar panic outputs.

> Previously we avoided converting i386 cpu bootup fully to the new state
> machine because it is very fragile, but it's possible that there
> is no other choice than to do it properly. Or maybe another kludge
> is possible.

Cheers
-- 
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

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