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

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Re: [PCI passthrough NIC problem]
From: 박은병 <peb1611@xxxxxxxxx>
Date: Wed, 12 Jan 2011 17:07:41 +0900
Cc: konrad.wilk@xxxxxxxxxx
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This is a soliloquy..:)

I found 3GB memory restriction for pv domU with PCI threads.
and some bug reports

I'm sorry for asking withoug pre-survey.

this problem was already resolved ?? :)

2011/1/12 박은병 <peb1611@xxxxxxxxx>
I have some problem about setting the PCI passthrough NIC with Broadcom NetXtreme II BCM5716 Ethernet controller

I strictly followed xen wiki

My configuration is pvops dom0,  pvops 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 when xm 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 driver complain 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??

Eunbyung Park

Eunbyung Park
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