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Re: [Xen-devel] XEN 4.0 + 2.6.31.13 pvops kernel : system crashes on sta

from [Jeremy Fitzhardinge] [Permanent Link][Original]
To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Subject: Re: [Xen-devel] XEN 4.0 + 2.6.31.13 pvops kernel : system crashes on starting 155th domU
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 28 Apr 2010 11:18:09 -0700
Cc: John McCullough <jmccullo@xxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>, Yuvraj Agarwal <yuvraj@xxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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On 04/28/2010 09:57 AM, Ian Campbell wrote:
> Jeremy applied a patch of mine which added some extra space for dynamic
> IRQs at the start of march:
>         commit 6d4a9168207ade237098a401270959ecc0bdd1e9
>         Author: Ian Campbell <ian.campbell@xxxxxxxxxx>
>         Date:   Mon Mar 1 11:21:15 2010 +0000
>         
>             xen: allow some overhead in IRQ space for dynamic IRQs
>         
> If you have this patch then you can edit NR_DYNAMIC_IRQS in
> arch/x86/include/asm/irq_vectors.h to increase the number of extra IRQs.
>   

That's only present in 2.6.32, not .31.  But it would be easy to backport.

    J

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