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xen-users
Re: [Xen-users] Linux PV Drivers - VBD device not loading - Cannot get M
Robert Dunkley wrote:
> I am trying to get PV drivers running on both Centos 5.1 and Centos 5.3
> HVMs, my DomU is Centos 5.2 with Xen 3.31. For 5.1 I install the
> kmod-xenpv RPM but for 5.3 the drivers seem to be built-in.
>
> For the network drivers to work I had to unload the Realtek NIC driver
> and renamed its .ko files to stop it loading. Adding the Xen-Vnif alias
> to modprobe.conf then got the PV NICs working nicely (Much faster).
>
>
Since realtek and xen-vnif each create an eth (with the same MAC), you
could simply set ifcfg-eth*'s "ONBOOT=no" on realtek's NICs. Do a "dmesg
| grep eth" to find which NIC uses which driver.
Problem is I can't get xen-vnif driver to work correctly on RHEL 5.3
(kernel 2.6.18-128.1.1.el5), not sure why.
> The problem is I can't seem to get the PV disk drivers running, I'm
> using a standard partition for the VM (phy:), part of the problem may be
> that the QEMU emulated disks are loading first but I'm unsure. Below is
> what I think are the relevant extracts from the Centos 5.3 HVM log,
> anyone have any idea on how to fix this?
>
>
On /etc/modprobe.conf :
#alias scsi_hostadapter ata_piix
alias scsi_hostadapter xen-vbd
On grub.conf:
title Red Hat Enterprise Linux Server (2.6.18-128.1.1.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-128.1.1.el5 ro root=/dev/VolGroup00/LogVol00
console=vga console=ttyS0 ide0=noprobe noapic
initrd /initrd-2.6.18-128.1.1.el5.img
The "ide0=noprobe" should allow xen-vbd to handle hda, and modprobe.conf
ensures it's included on initrd.
Regards,
Fajar
smime.p7s
Description: S/MIME Cryptographic Signature
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