Re: [Xen-users] pciback.hide equivalent boot arg for PVOPS xen/master kernel?

[Rick McNeal <rick.mcneal@xxxxxxx>]

On 12-Oct-2009, at 12:55 PM, Bruce Edge wrote:
> Yep, that's the difference. I had pciback.hide= working on the
> 2.6.30.3 dom0 kernel, but that doesn't work on the 2.6.31.1 pv-ops
> kernel:
I thought using the /sys/bus/... method might work for you because on  
my system the kernel command line worked for a while and then after a  
new release I received (long story) the command/boot line stopped work  
and we had to switch to using the /sys/bus method.
> [    1.864046] Kernel command line:
> root=UUID=e0a8abaf-ebb4-4a46-a968-36764653b87f ro earlyprintk=xe
> n irqpoll console=hvc0 loglevel=10 debug
> pciback.hide=(07:00.0)(07:00.1)(07:00.2)(07:00.3)(14:00.0)
> (14:00.1)(17:00.0)(17:00.1) acpi=force
> [    1.864093] Unknown boot option
> `pciback.hide=(07:00.0)(07:00.1)(07:00.2)(07:00.3)(14:00.0)(14:00
>
> -Bruce
>
> > > Then, when I ran
> > >
> > > xm pci-attach dpm 0000:17:00.0 17      ( is that right? )
> > >
> > >
> > > the console prints:
> > >
> > > (XEN) [VT-D]iommu.c:1289:d0 domain_context_unmap:PCIe: bdf = 17:0.0
> > > (XEN) [VT-D]iommu.c:1175:d0 domain_context_mapping:PCIe: bdf =  
> > > 17:0.0
> > > (XEN) [VT-D]iommu.c:1289:d0 domain_context_unmap:PCIe: bdf = 17:0.0
> > > (XEN) [VT-D]iommu.c:1175:d0 domain_context_mapping:PCIe: bdf =  
> > > 17:0.0
> > > and the domU reboots.
> > >
> > > -Bruce
> > >
> > > > ----
> > > > Rick
> > > >
> > > > Twenty years from now you will be more disappointed by the things  
> > > > you
> > > > didn't do than by the ones you did do. So throw off the bowline.  
> > > > Sail
> > > > away from the safe harbor. Catch the trade winds in your sails.
> > > > Explore. Dream. Discover. -Mark Twain
> > > >
> > > > On Oct 12, 2009, at 11:26 AM, "Bruce Edge" <bruce.edge@xxxxxxxxx>  
> > > > wrote:
> > > > > I used to be able to do this with the 2.6.30.3 dom0:
> > > > > pciback.hide=(07:00.0)(07:00.1)(07:00.2)(07:00.3)(14:00.0)
> > > > >
> > > > > Now I get:
> > > > > Unknown boot option
> > > > > `pciback.hide=(07:00.0)(07:00.1)(07:00.2)(07:00.3)(14:00.0)':  
> > > > > ignoring
> > > > > Is there an equivalent boot arg for the PVOPS kernel for this?
> > > > >
> > > > > Where are the docs for what boot args this dom0 kernel supports?
> > > > >
> > > > > -Bruce
> > > > >
> > > > > _______________________________________________
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> > > > > Xen-users@xxxxxxxxxxxxxxxxxxx
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> > ----
> > Rick McNeal
> > rick.mcneal@xxxxxxx
> >
> > "An armed society is a polite society. Manners are good when one  
> > may have to
> > back up his acts with his  life."  -- Robert A.  Heinlein
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----
Rick McNeal
rick.mcneal@xxxxxxx

“If you see a man approaching you with the obvious intent of doing you  
good, you should run for your life.” —Henry David Thoreau
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