[Xen-users] Can't find ethernet controllers in dom0

["maddoc" <maddoc@xxxxxxxxx>]

Hi.

I'm having a bit of a strange problem with my compaq proliant 3000 and
xen, as my NICs won't show up under the xen kernel; I can't even see them
when I run lspci.

I followed the guide at debian-administration.org
(http://www.debian-administration.org/articles/320), and as you may guess
the distribution running on the machine is Debian GNU/Linux.

Under another, vanilla, kernel (2.6.15.1), it all works fine, but when I
run my costum compiled xen-dom0 kernel (2.6.12.6) I can't see the ethernet
controllers.

I tested the machine with the xen test cd
(http://www.xensource.com/community/xen30testing/index.html) and the
networking worked fine under nativelinux, but when I booted up the xen
kernel on that CD the very same error, as I experienced with my
xen-kernel, occured.

This is the output from lspci when running the 2.6.15.1 kernel:
arthur:~# lspci
0000:00:00.0 Host bridge: Broadcom CNB20-LE Host Bridge (rev 04)
0000:00:00.1 Host bridge: Broadcom CNB20-LE Host Bridge (rev 02)
0000:00:03.0 System peripheral: Compaq Computer Corporation Advanced
System Management Controller
0000:00:05.0 VGA compatible controller: ATI Technologies Inc 3D Rage IIC
215IIC [Mach64 GT IIC] (rev 7a)
0000:00:06.0 PCI bridge: IBM IBM27-82351 (rev 07)
0000:00:0f.0 ISA bridge: Broadcom OSB4 South Bridge (rev 4d)
0000:00:11.0 Host bridge: Broadcom CNB20-LE Host Bridge (rev 04)
0000:00:11.1 Host bridge: Broadcom CNB20-LE Host Bridge (rev 02)
0000:01:00.0 Mass storage controller: Compaq Computer Corporation
Smart-2/P RAID Controller (rev 03)
0000:02:04.0 SCSI storage controller: LSI Logic / Symbios Logic 53c875
(rev 14)
0000:02:04.1 SCSI storage controller: LSI Logic / Symbios Logic 53c875
(rev 14)
0000:02:06.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M
[Tornado] (rev 78)
0000:02:07.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet
Pro 100] (rev 05)
0000:02:08.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet
Pro 100] (rev 05)

My grub configuration:
title Xen 3.0 / XenLinux 2.6
root (hd0,5)
kernel /boot/xen-3.0.gz noreboot
module /boot/xen-linux-2.6.12.6-xen root=/dev/ida/c0d0p6 ro console=tty0
module /boot/xen-modules-2.6.12.6-xen
savedefault
boot

title Debian GNU/Linux, kernel 2.6.15.1-smp-386
root (hd0,5)
kernel /boot/kernel-2.6.15.1-smp root=/dev/ida/c0d0p6 ro
initrd /boot/initrd.img-2.6.15.1-smp
savedefault
boot

The kernel configuration: http://pub.phelia.biz/maddoc/conf-2.6.12.6-xen.txt
Kernel configuration for the 2.6.15.1 kernel:
http://pub.phelia.biz/maddoc/conf-2.6.15.1.txt

Is this is a bug in xen, or some misconfiguration done by me (most
likely), and if it's the later one, what have I done wrong? :-)



//maddoc
---
Mail: maddoc@xxxxxxxxx / maddoc@xxxxxxxxxx
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WWW: http://www.maddoc.us/
     http://www.phelia.biz


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