From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fantu <fantonifabio@tiscali.it>
Subject: Re: Kernel 2.6.31.6 pv_ops freeze on start, No
	available IRQ to bind to, increase nr_irqs!
Date: Mon, 1 Mar 2010 07:34:41 -0800 (PST)
Message-ID: <27745067.post@talk.nabble.com>
References: <27059994.post@talk.nabble.com>
	<20100107133734.GW25902@reaktio.net>
	<27063167.post@talk.nabble.com>
	<20100107211424.GC25902@reaktio.net>
	<27076636.post@talk.nabble.com> <4B58CF63.9060807@goop.org>
	<27608625.post@talk.nabble.com> <20100216142735.GF2861@reaktio.net>
	<27612307.post@talk.nabble.com> <27714129.post@talk.nabble.com>
	<27718305.post@talk.nabble.com> <20100226144241.GO2761@reaktio.net>
	<27741588.post@talk.nabble.com> <20100301102119.GL2761@reaktio.net>
	<1267439232.11737.20528.camel@zakaz.uk.xensource.com>
	<1267439564.11737.20554.camel@zakaz.uk.xensource.com>
	<27742020.post@talk.nabble.com>
	<1267441546.11737.20662.camel@zakaz.uk.xensource.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <1267441546.11737.20662.camel@zakaz.uk.xensource.com>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org


I have try xen/master with CONFIG_SPARSE_IRQ=n and reverse of your patch but
nothing, after i try xen/stable with CONFIG_SPARSE_IRQ=n and apply patch
0001-x86-ioapic-Remove-the-hack-for-calculating-nr_irq_ from another post
and work... finally xen 4 with kernel pv_ops work on  Dell T610 :jumping:

Ian Campbell-10 wrote:
> 
> On Mon, 2010-03-01 at 10:45 +0000, Fantu wrote:
>> i have problem more before...
>> CONFIG_SPARSE_IRQ=y on all .config i have used, i can change to n and try
>> or
>> must set to y?
> 
> Try reverting this first:
> 
> commit 68458a366412dbbfa726dbdd403e94be5ac10a69
> Author: Ian Campbell <ian.campbell@citrix.com>
> Date:   Fri Feb 26 10:59:35 2010 +0000
> 
>     xen: fix off-by-one error in find_unbound_irq
>     
>     e459de95 "Find an unbound irq number in reverse order (high to low)"
> introduced
>     an off by one error which would cause repeated allocations of the
> nr_irq'th IRQ
>     if there are no spare interrupts (i.e. get_nr_hw_irqs() == nr_irqs).
>     
>     Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
>     Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
>     Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
>     Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
> 
> If that doesn't help then try setting CONFIG_SPARSE_IRQ to n.
> 
> Ian.
> 
> 

-- 
View this message in context: http://old.nabble.com/Kernel-2.6.31.6-pv_ops-freeze-on-start-tp27059994p27745067.html
Sent from the Xen - Dev mailing list archive at Nabble.com.