Re: [Xen-users] could not load modules.dep stops network from working?

[Reuben Kabel <kabel@xxxxxxxxxx>]

Are you following the Fedora Xen Quickstart guide? I have been and have
noticed similar issues where the network doesn't seem to be created. I've
gotten around these by hand coping the /etc/sysconfig/network ,
/etc/sysconfig/network-scripts/ifcfg-eth0 files from dom0 and edited
accordinhgly. I'm still crunching along and seeing intermittent issues, but
those seem to have enabled networking in domU. I believe the modprobe
errors you're seeing are red herrings and should be resolved by the depmod
as previously noted. I don't recall exactly, but I think  I had to mkdir
/lib/modules/2.6.12-xenU within the domU filesystem before running depmod.

hope that helps - Reuben

--
Reuben Kabel
IT Specialist, Application Innovation Services
Reporting to Sue Nile
404 Wyman St.
Waltham, MA. 02454
Mobile: 617.271.7999



                                                                           
             aliguori@xxxxxxxx                                             
             d.linux.ibm.com                                               
             Sent by:                                                   To 
             xen-users-bounces         Peter Fellwock                      
             @lists.xensource.         <Peter.Fellwock@xxxxxxxxxx>         
             com                                                        cc 
                                       xen-users@xxxxxxxxxxxxxxxxxxx       
                                                                   Subject 
             08/10/2005 07:18          Re: [Xen-users] could not load      
             PM                        modules.dep stops network from      
                                       working?                            
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           




Run depmod -a as root

Regards,

Anthony Liguori

Peter Fellwock wrote:

> Iam new to Xen and I am trying to FC4 and FC4 domains. I came across a
> problem when my newly created domain never gets a network. When I
> start the domain I get a fatal error that leads me to believe that
> thios might be the reason why I donât have networking with the bridge:
>
> Checking for new hardwaremodprobe: FATAL: Could not load
> /lib/modules/2.6.12-1.1411_FC4xen0/modules.dep: No such file or directory
>
> modprobe: FATAL: Could not load
> /lib/modules/2.6.12-1.1411_FC4xen0/modules.dep: No such file or directory
>
> modprobe: FATAL: Could not load
> /lib/modules/2.6.12-1.1411_FC4xen0/modules.dep: No such file or directory
>
> mmap /dev/mem: Resource temporarily unavailable
>
> mmap /dev/mem: Resource temporarily unavailable
>
> modprobe: FATAL: Could not load
> /lib/modules/2.6.12-1.1411_FC4xen0/modules.dep: No such file or directory
>
> The file obviously does not exist, so what do I do?
>
> in the domain, the ip is missing:
>
> [root@localhost ~]# ifconfig
>
> lo Link encap:Local Loopback
>
> inet addr:127.0.0.1 Mask:255.0.0.0
>
> UP LOOPBACK RUNNING MTU:16436 Metric:1
>
> RX packets:44 errors:0 dropped:0 overruns:0 frame:0
>
> TX packets:44 errors:0 dropped:0 overruns:0 carrier:0
>
> collisions:0 txqueuelen:0
>
> RX bytes:3044 (2.9 KiB) TX bytes:3044 (2.9 KiB)
>
> And back in the xen master I know the vif is being created:
>
> [root@xenmaster xen]# brctl show xen-br0
>
> bridge name bridge id STP enabled interfaces
>
> xen-br0 8000.00e0812e539c no eth0
>
> vif25.0
>
> and my conf for the domain is:
>
> kernel ="/boot/vmlinuz-2.6.12-1.1411_FC4xen0"
>
> memory = 512
>
> name = "rawhide"
>
> nics = 1
>
> vif = [ 'mac=aa:00:00:00:00:11, bridge=xen-br0']
>
> ip = "192.168.225.181"
>
> netmask = "255.255.255.0"
>
> gateway = "192.168.225.1"
>
> hostname = "grasshopper.active.com"
>
> disk = ['file:/root/fedora.img,hda1,w']
>
> root = "/dev/hda1 ro"
>
> 3 questions:
>
> Why is the domain looking in /2.6.12-1.1411_FC4xen0/modules.dep?
>
> Why is the vif being created but not assigned to the domain?
>
> Are these two problems related?
>
> Thanx,
>
> -peter
>
>------------------------------------------------------------------------
>
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>


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