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[Xen-devel] igb pciback and e1000e pciback not work.

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] igb pciback and e1000e pciback not work.
From: 贺鹏 <xnhp0320@xxxxxxxxx>
Date: Sun, 5 Sep 2010 10:55:35 +0800
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I'm using Xen 4.01 and jeremy's pvops kernel, the kernel version is 2.6.32.18.
At first I want to test the performance of pci passthrough  when it comes to the network card 82571EB

I'm using the Jeremy's kernel 2.6.32.18 as DomU kernel too.

And I found if the interface is not connected, I mean the network card receives no packet, ( the network card doesn't connect to the switch ),
it's fine. when I connect it to a switch , I got a lot of "Detected Tx Unit Hang" in dmesg of the DomU kernel
and a kernel oops saying:

Pid: 0, comm: swapper Not tained 2.6.32.18-xen #4
warn_slowpath_fmt+0x41/0x50

the ooops image is in the attachment of this post.

I've checked the mailing list, some one said it's about the e1000e driver with a wrong
config of the EEPROM.

So I switch to use the network card 82575EB with igb driver
It seems to work well, 
until I find it can't receive any packets in DomU.

And I see a lot of packets dropped when I ifconfig these interfaces.

Anyone knows how to deal with this ?
--
hepeng
ICT




--
hepeng
ICT

Attachment: Screenshot.png
Description: PNG image

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