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xen-devel
RE: [Xen-devel] problem with SMP machine
It might also be helpful to add some printks in cpu_init() in setup.c
I have booted Xen on an 8way / 32way system and it runs fine. So I am
sure that all the magic is there in Xen :-)
Aravindh
-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Keir Fraser
Sent: Wednesday, April 27, 2005 4:20 AM
To: Lars Rasmusson
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] problem with SMP machine
On 27 Apr 2005, at 00:49, Lars Rasmusson wrote:
> 1) Xen thinks that there is something wrong, while there in fact
> isn't.
> 2) Linux does some magic to handle this, that Xen currently does not.
> 3) Linux is erroneously ignoring this error.
>
> Any ideas on how to solve this?
It's unlikely that it has to anything to do with MTRR setup -- that
message is just a warning. Linux doesn't give it because you probably
did not compile in the MTRR driver.
Your best bet is to post the output from booting Xen (a debug build)
and from booting plain Linux. Also you might want to add tracing around
smpboot.c in particular to work out wher ethe seocndary CPUs are
getting dropped.
-- Keir
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