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[Xen-devel] Re: [PCI passthrough NIC problem]

Date: Wed, 12 Jan 2011 17:07:41 +0900

Delivery-date: Thu, 13 Jan 2011 06:25:02 -0800

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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

soliloquy..:)

I foundÂ3GB memory restriction for pv domU with PCI threads.

and some bug reports

this problem was already resolved ?? :)

2011/1/12 ëìë <peb1611@xxxxxxxxx>

I have some problem about setting the PCI passthrough NIC with Broadcom NetXtreme II BCM5716 Ethernet controller

I strictly followed xen wiki
http://wiki.xensource.com/xenwiki/XenPCIpassthrough

My configuration is pvops 2.6.32.26 dom0, Âpvops 2.6.32.27 domU kernel, xen 4.0.1 official release, Intel core i7, 64bit

no hvm, no IOMMU/VT-d, just pv guest.

I could success PCI passthrough by using domU with 2GB~3GB memory.
(Strangely, I could not see the assignable pci lists whenÂxm pci-list-assignable-devices command,

But it seems to work well even when the passthroughed domU is used as IDD)

However, When I allocated to above 4GB memory to domU,

domU device driverÂcomplain with below messages, and it does not work well

=======
Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.0.2 (Aug 21, 2009)
bnx2 0000:00:00.1: device not available because of BAR 0 [0xdc000000-0xddffffff] collisions
bnx2 0000:00:00.1: Cannot enable PCI device, aborting.

bnx2: probe of 0000:00:00.1 failed with error -22
=======

Is there anyone who suffer from this??

Thanks.
--
Eunbyung Park

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