From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Jin <joe.jin@oracle.com>
Subject: Re: nr_irqs_gsi
Date: Tue, 24 Jul 2012 10:03:17 +0800
Message-ID: <500E0265.6090402@oracle.com>
References: <4FFCF3AE.1050200@oracle.com> <4FFD4A72.9090500@citrix.com>
	<20120711140057.GA16523@phenom.dumpdata.com>
	<4FFE33A9.3060203@oracle.com>
	<500D6E1D020000780008FECB@nat28.tlf.novell.com>
	<20120723153403.GG793@phenom.dumpdata.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <20120723153403.GG793@phenom.dumpdata.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Jan Beulich <JBeulich@suse.com>, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On 07/23/12 23:34, Konrad Rzeszutek Wilk wrote:
> On Mon, Jul 23, 2012 at 02:30:37PM +0100, Jan Beulich wrote:
>>>>> On 12.07.12 at 04:17, Joe Jin <joe.jin@oracle.com> wrote:
>>>>>> (XEN) ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
>>>>>> (XEN) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
>>>>>> (XEN) ACPI: IOAPIC (id[0x01] address[0xfec80000] gsi_base[32])
>>>>>> (XEN) IOAPIC[1]: apic_id 1, version 32, address 0xfec80000, GSI 32-55
>>>
>>> Below came from dom0:
>>>
>>> ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])
>>> ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
>>> IOAPIC[0]: apic_id 0, version 255, address 0xfec00000, GSI 0-255
>>
>> Now this and ...
>>
>>> ACPI: IOAPIC (id[0x01] address[0xfec80000] gsi_base[32])
>>> IOAPIC[1]: apic_id 1, version 255, address 0xfec80000, GSI 32-287
>>
>> ... this is clearly bogus, contradicting what Xen itself prints (see
>> above).
> 
> Yeah, that got fixed up in v3.5 (merge git f08b9c2f8af0d61faa1170aeae4fbca1eff6a504)
> specifically:
> 
>       x86/apic: Fix UP boot crash
>       xen/apic: implement io apic read with hypercall
>       xen/x86: Implement x86_apic_ops
>       x86/apic: Replace io_apic_ops with x86_io_apic_ops.
>       x86/ioapic: Add io_apic_ops driver layer to allow interception
> 

Konrad,

Would you please point out which commit is make sense for this issue? so far I still
suspend it's a hypervisor issue rather than dom0 kernel.

Thanks in advance,
Joe