Re: [User-mode-linux-user] FeedBack on latest kernel

[Matt C. <ma...@co...>]

Jeff Dike wrote:

> UML can be running as a normal user, but you do need a suid helper.  With the
> umn device, just put a suid root ifconfig somewhere in your path.

I've tried making a suid copy of ifconfig in my path on my host system,
called um_ifconfig, which runs when I use ifconfig in UML.  It doesn't
fix the problem though.  Here's what I get (if running UML as root, this
same setup works just fine):

Going multiuser...
Configuring eth0 as 10.0.0.101...
Failed to set slip line discipline - errno = 1
Couldn't set slip encapsulation - errno = 22
SIOCSIFADDR: No such device
sl-1: unknown interface: No such device
SIOCSIFDSTADDR: No such device
sl-1: unknown interface: No such device
sl-1: unknown interface: No such device
um_ifconfig failed
SIOCSIFHWADDR: Operation not permitted
Failed to initialize network!
Activating IPv4 packet
forwarding...                                                                                            

> With the eth device, you run um_eth_net_util as root if you want access to the
> host networking.  If you only want to network UMLs, then that doesn't even
> need to run as root.

I'll give this a try, thanks.

 - Matt