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RE: [Xen-devel] Re: free_irq_vector on ia64

To: "Duan, Ronghui" <ronghui.duan@xxxxxxxxx>
Subject: RE: [Xen-devel] Re: free_irq_vector on ia64
From: Alex Williamson <alex.williamson@xxxxxx>
Date: Tue, 04 Sep 2007 10:08:29 -0600
Cc: Xen Development Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, "Zhang, Xing Z" <xing.z.zhang@xxxxxxxxx>, "Xu, Anthony" <anthony.xu@xxxxxxxxx>, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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On Mon, 2007-09-03 at 15:27 +0800, Duan, Ronghui wrote:
> Hi Alex:
>       I follow your steps to hide e1000 from domain0, adding
> "pciback.hide==
> (0000:01:00.0)" in append line, then reboot .It seem that all right. The
> NAT consumption fault may have fixed by this patch:
> http://xenbits.xensource.com/xen-unstable.hg?rev/7158623a1b3d
> Could you please have a check? 

   That could be why I don't get a NaT consumption like the comment
indicated, but I still get the Oops.  It doesn't seem like there's
anything platform specific here, so I'm not sure why you don't see it.
Note that I'm hiding function 1 of a two port, two function e1000, while
you're hiding function 0.  I don't know if that matters, but perhaps a
variable to play with.
> BTW: It seems that we don't free irq_handler of e1000, so when
> rebooting, there may be some warning message printing in the serial
> port!
> Thank you!

   Yup, that's a bug in our base 2.6.18 kernel which should go away next
time we re-base.  However, that's a separate issue.  Thanks,


Alex Williamson                             HP Open Source & Linux Org.

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