Re: [Xen-devel] Possible Regression in "MMCONFIG PCI config space access driver backported from Linux Kernel Ver. 2.6.31.5"

[Daniel Kiper <dkiper@xxxxxxxxxxxx>]

Hi,

On Mon, Feb 15, 2010 at 05:35:24PM +1100, Simon Horman wrote:
> On Tue, Feb 09, 2010 at 12:16:50PM +0100, Daniel Kiper wrote:
> > Hi,
> >
> > > the changest ""MMCONFIG PCI config space access driver
> > > backported from Linux Kernel Ver. 2.6.31.5" (952:f1bad8203efc)
> > > in the linux-2.6.18-xen.hg tree appears to introduce a regression.
> > >
> > > The problem that I am seeing is that my (x86_64) HP dc7800 no longer 
> > > boots,
> > > hanging during PCI initialisation.

Sorry for late reply however I was very busy.
I attempted to replicate your problem on xen-unstable (C/S
21035:257589edefb3) and linux-2.6.18-xen.hg (C/S 1005:f7f420bd7b7a)
on IBM x3650 (7979 4AG). I do not have seen any strange behavior.
I have also done some Dom0 stress testing (linux kernel compiling
with make -j 17 through two days). Currently it is still working
without any problem.

Did you tested your setup on another machine ???

I could not do more without access to similar machine.

If you have any questions please drop me a line.

Daniel

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