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RE: [Xen-ia64-devel][Patch]Add two PAL calls which fix SMPwindowsinstallation crashing bug


  • To: "Kouya SHIMURA" <kouya@xxxxxxxxxxxxxx>
  • From: "Zhang, Xing Z" <xing.z.zhang@xxxxxxxxx>
  • Date: Tue, 27 Mar 2007 10:48:02 +0800
  • Cc: xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 26 Mar 2007 19:47:09 -0700
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcdwFdGtFEI8nhYfRsGzkAmtcxaV7QAAyPkA
  • Thread-topic: [Xen-ia64-devel][Patch]Add two PAL calls which fix SMPwindowsinstallation crashing bug

Hi Kouya:
        I confirmed your patch can solve it. But I think it's a work around 
way. 
        Although it can prevent general fault raising which caused by write 
zero to PTA, it also makes SMP windows become to UP during installation. ( two 
vcpus 
SMP windows can work normal due to the value which used to judge whether 
cpu wake up successful happen equal to two. Actually, the value is a garbage 
value.)
        The PAL call patch can root fix it, and we have sent out new GFW. So I 
think
you not need wait.

Good good study,day day up ! ^_^
-Wing(zhang xin)
 
OTC,Intel Corporation

>-----Original Message-----
>From: Kouya SHIMURA [mailto:kouya@xxxxxxxxxxxxxx]
>Sent: 2007年3月27日 10:15
>To: Zhang, Xing Z
>Cc: xen-ia64-devel
>Subject: RE: [Xen-ia64-devel][Patch]Add two PAL calls which fix
>SMPwindowsinstallation crashing bug
>
>Hi,
>
>I also solved it without new GFW.
>This patch is a little bit dirty hacking.
>Should I wait for new GFW?
>
>Thanks,
>Kouya
>
>Zhang, Xing Z writes:
> > Yes, it can fix.
> > But it should work with new GFW. We will send it out soon.
> >
> > Good good study,day day up ! ^_^
> > -Wing(zhang xin)
> >
> > OTC,Intel Corporation

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