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Re: [Xen-devel] Re: PCI BAR register space written with garbage in HVM

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Re: PCI BAR register space written with garbage in HVM guest.
From: Dan Gora <dan.gora@xxxxxxxxx>
Date: Thu, 18 Mar 2010 15:27:30 -0300
Delivery-date: Thu, 18 Mar 2010 11:28:30 -0700
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On Thu, Mar 18, 2010 at 11:32 AM, Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
> On Wed, Mar 17, 2010 at 11:14:13PM -0300, Dan Gora wrote:
>> Hi all,
>> I apologize for the length of this message, but I figured that it was
>> probably better to supply too much info rather than too little...
>> I've made some good progress debugging this today.  The problem looks
>> pretty bizarre...
> I just skimmed through your e-mail and didn't dive in the r8169 code to
> see if there is something there, but I thought you might want to try
> using e1000 instead of r8169 driver and see if that makes it work?

Sure enough that fixed the problem!  No more writes on fd 6, no more
PCI BAR regsiter corruption!
That's good enough for me as a workaround.  I guess someone else can
have a look at this rtl8139 driver.


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