Re: [Xen-users] Debian Kernel and Xen 3.4

[Martti Kuparinen <martti.kuparinen@xxxxxx>]

Carsten Schiers wrote:
> Just a guess: if it is bound to MSI, you could try booting with pci=nomsi on the 
> kernel line. I had trouble in an Etch environment with Xen 3.3.1. I switched to
> 2.6.18.8 Kernel and found it working for me now with Xen 3.4 and MSI enabled.
Same here, 2.6.18.8 + Xen 3.4.0 works as good as 2.6.26-2-xen-amd64 + Xen 3.3.1. 
But thanks to you, now I also have Xen 3.4.0 working with the Debian 2.6.26-2 
dom0 kernel.
Here's my complete grub entry (note the pci=nomsi at the end of the first module 
line):
title           Xen 3.4.0
root            (hd0,0)
kernel          /xen-3.4.0.gz dom0_mem=512m
module          /vmlinuz-2.6.26-2-xen-amd64 root=/dev/vg0/root ro console=tty0 
pci=nomsi
module          /initrd.img-2.6.26-2-xen-amd64
savedefault

And finally some evidence:

# uname -srm
Linux 2.6.26-2-xen-amd64 x86_64

# xm info
host                   : xen2.mydomain.com
release                : 2.6.26-2-xen-amd64
version                : #1 SMP Wed May 13 18:43:45 UTC 2009
machine                : x86_64
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2992
hw_caps                : 
bfebfbff:20100800:00000000:00000140:000ce3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 16378
free_memory            : 15675
node_to_cpu            : node0:0-7
node_to_memory         : node0:15675
xen_major              : 3
xen_minor              : 4
xen_extra              : .0
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.3.2 (Debian 4.3.2-1.1)
cc_compile_by          : root
cc_compile_domain      : nomadiclab.com
cc_compile_date        : Tue May 26 09:09:57 EEST 2009
xend_config_format     : 4

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