From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fantu Subject: RE: Kernel 2.6.31.6 pv_ops freeze on start, No available IRQ to bind to, increase nr_irqs! Date: Fri, 5 Mar 2010 07:41:07 -0800 (PST) Message-ID: <27795487.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> <27745067.post@talk.nabble.com> <27792293.post@talk.nabble.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <27792293.post@talk.nabble.com> List-Unsubscribe: , List-Post: List-Help: List-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 now work also with CONFIG_SPARSE_IRQ=n and also with 0001-x86-ioapic-Remove-the-hack-for-calculating-nr_irq_ :-( Fantu wrote: > > i have recompile on xen/master updated (necessary for gfx test) but not > work now i try with CONFIG_SPARSE_IRQ=n > the config use is: http://old.nabble.com/file/p27792293/.config .config > > Zhang, Xiantao wrote: >> >> Fantu wrote: >>> 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: >> >> Have you tried CONFIG_SPARSE_IRQ=y with this patch ? I think it should >> work as well. >> Xiantao >> >> >>> 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 >>>> 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 >>>> Cc: Konrad Rzeszutek Wilk >>>> Cc: Jeremy Fitzhardinge >>>> Signed-off-by: Jeremy Fitzhardinge >>>> >>>> >>>> If that doesn't help then try setting CONFIG_SPARSE_IRQ to n. >>>> >>>> Ian. >> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel >> >> > > -- View this message in context: http://old.nabble.com/Kernel-2.6.31.6-pv_ops-freeze-on-start-tp27059994p27795487.html Sent from the Xen - Dev mailing list archive at Nabble.com.