WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

RE: [Xen-devel] Re: [PATCH][FIX] Possible fix for spurious interrupts

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Stephen C. Tweedie" <sct@xxxxxxxxxx>
Subject: RE: [Xen-devel] Re: [PATCH][FIX] Possible fix for spurious interrupts
From: "Li, Xin B" <xin.b.li@xxxxxxxxx>
Date: Fri, 14 Apr 2006 18:02:08 +0800
Cc: Michele <vo.sinh@xxxxxxxxx>, xen-devel Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
Delivery-date: Fri, 14 Apr 2006 03:02:39 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcZfoa4G73dgNH3cR5KVXWzy6K8MHwACI2kA
Thread-topic: [Xen-devel] Re: [PATCH][FIX] Possible fix for spurious interrupts
>
>> Looks like it cures it completely for me.  I've got the same box 
>> running
>> the same load that used to send irq16 through the roof, and it's
>> currently pegged at:
>>
>>          16:  0   0   0   0  Phys-irq  uhci_hcd:usb2, uhci_hcd:usb5
>>
>> Thanks!
>
>Actually, it seems the patch doesn't entirely work for multi-processor 
>domain 0 as the wrong local APIC is sometimes prodded to do the EOI 
>cycle. This was partially hidden by the fact that IRQ ffinity is also 
>currently broken in our Linux tree (we need to call move_irq() 
>in a few 

Yes, this patch seems hang the SMP dom0 system at all, even pressing
ctrl-A 3 times won't response.
So, waiting for your complete fix :-)
-Xin


>choice places). I'll get a complete fix for all this stuff into 
>xen-unstable today. Probably the meat of the patch should wait a while 
>before going into the -testing tree, but we'll want to get 
>something in 
>there before 3.0.2-3.
>
>  -- Keir
>
>
>_______________________________________________
>Xen-devel mailing list
>Xen-devel@xxxxxxxxxxxxxxxxxxx
>http://lists.xensource.com/xen-devel
>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel