[Xen-users] Re: Xen kernel problem

[Alexander <alex@xxxxxxxxxx>]

I guess FC4 is not doing very well. I just installed FC3 and compiled the 
latest 2.0.7 xen and rebooted, everything just works fine! Had to do the 
initrd image, and after that things are running smooth. 

The only thing that I'm working on right now is, my xenU is starting fine, I 
allocated 1GB memory to it, but somehow the network is not coming up. 

The motherboard has 2 Broadcom GbE ports, the network is currently connected 
to eth1. In xenU configuration I have "alias eth0 xen_net" in 
/etc/modprobe.conf, and in /etc/sysconfig/network, I only have networking 
yes and the hostname. Besides that I have a simple ifcfg-eth0 in 
/etc/sysconfig/network-scripts/, which just says device=eth0, 
bootproto=dhcp, onboot=on
The same configuration I have on a regular desktop, and it is working fine.  
Does the dual LAN do anything different here? WHen I start the network it 
just says determining IP for eth0 and it just hangs there, and then fails 
after a minute. 

Any help is appreciated. 

Thanks! 

Alexander writes: 

> Hi everyone,  
>
> I'm getting the following boot error, when installing xen-unstable on a 
> dual opteron 246 machine, with a Tyan 2881 Motherboard, 4GB RAM, SATA 
> Drive and ReiserFS filesystem. The machine is a Fedora Core 4.
> I installed the i386 FC4 on the dual opteron, I didn't want the 64bit yet. 
> All my binaries are 32bit and I'm compiling it all with 32bit too.  
>
> After downloading xen-unstable, I did make world and make install. I'm not 
> using gcc4, I'm using gcc 3.2.3, it works fine, the compiling is without 
> any problems. I put the following in my grub.conf:  
>
> title Fedora Core-up (Xen 3.0)
>       root (hd0,0)
>       kernel /boot/xen.gz dom0_mem=262144
>       module /boot/vmlinuz-2.6-xen0 root=/dev/sda1 ro console=tty0  
>
> I didn't put an initrd image yet because I wanted to see if Xen will boot 
> at all, but once the machine restarts, after xen.gz it tries to load 
> vmlinuz-2.6-xen0 and gives the following error: Error 4: Bad or 
> incompatible header in the compressed file.  
>
> It doesn't boot after that, gives me the option to go back to grub menu 
> and choose a different boot option where I start back to my default FC4 
> installation.  
>
> Any idea why this would happen? I have a feeling xen.gz is loading fine, 
> but the dom0 kernel is giving that error.  
>
> Thanks,
> Alex 
>
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