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Re: [Xen-devel] Xenoprof: getting Oprofile out of timer mode?

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xenoprof: getting Oprofile out of timer mode?
From: "Andrei Lifchits" <alifchit@xxxxxxxxx>
Date: Fri, 21 Apr 2006 09:44:44 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Gitika Aggarwal <gitika@xxxxxxxxx>, "Santos, Jose Renato G" <joserenato.santos@xxxxxx>
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Hi Keir,

The problem is, that option is already there. This is what the Xen
entry in grub.conf looks like:

title Xen Unstable / XenLinux 2.6
        kernel /xen-3.0-unstable.gz console=vga lapic selinux=0
        module /vmlinuz-2.6.16-xen root=/dev/hda3 ro console=tty0 lapic 
        module /initrd-2.6.16-xen.img

(I put lapic in both places actually, just in case).


On 4/21/06, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
> On 20 Apr 2006, at 20:40, Andrei Lifchits wrote:
> > It looks like the problem is related to the local APIC detection in
> > Xen, at least that's what the xm dmesg log (attached) seems to be
> > saying after I've applied the patch.
> Yes. Try adding 'lapic' as a boot parameter to Xen (in your bootloader
> configuration file) and that should hopefully fix things.
>   -- Keir

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