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xen-devel
Re: [Xen-devel] RE: [Xen-users] Xen in a 32 way system
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To: |
"Petersson, Mats" <Mats.Petersson@xxxxxxx> |
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Subject: |
Re: [Xen-devel] RE: [Xen-users] Xen in a 32 way system |
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From: |
"Pablo Montesinos" <pablomontesinos@xxxxxxxxx> |
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Date: |
Thu, 1 Jun 2006 13:38:57 -0700 |
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Cc: |
xen-devel@xxxxxxxxxxxxxxxxxxx, "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>, Ryan Harper <ryanh@xxxxxxxxxx>, Uros Trebec <uros.trebec@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx |
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Thu, 01 Jun 2006 13:39:41 -0700 |
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hat tip for you... It is booting, I am still not able to run xend with
more than 4 procs, but that's a complete different story.
Ryan: did you do anything special to load configure xend? it just
hangs as soon as I enable more than 1 chassis
Thank you very much to all of you guys!
Pablo
On 6/1/06, Petersson, Mats <Mats.Petersson@xxxxxxx> wrote:
> -----Original Message-----
> From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx]
> Sent: 01 June 2006 19:09
> To: Petersson, Mats
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Puthiyaparambil, Aravindh;
> Uros Trebec; Ryan Harper; xen-users@xxxxxxxxxxxxxxxxxxx;
> Pablo Montesinos
> Subject: Re: [Xen-devel] RE: [Xen-users] Xen in a 32 way system
>
>
> On 1 Jun 2006, at 18:59, Petersson, Mats wrote:
>
> > Isn't it a bug that we don't check for -EINVAL in the line here:
> > for (i = 0; i < NR_CPUS; i++) {
> > rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
> > if (rc == -ENOENT)
> > break;
> > cpu_set(i, cpu_possible_map);
> > }
> >
> > If NR_CPUS in Linux is bigger than 32, then rc = -EINVAL,
> not -ENOENT
> > when it returns from the vcpu_op, because the first check
> is to see if
> > vcpuid is >=32...
> >
> > Checking if (rc < 0) would be better, I should think...
>
> Yes, the current code is rather mad. I'll fix it.
Of course, if NR_CPUS is 32, it shouldn't matter...
Pablo, can you check the CONFIG_NR_CPUS in your .config for your
linux-2.6.16.13-xen? As in my system, NR_CPUS = 32..
--
Mats
>
> -- Keir
>
>
>
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