On Tue, Feb 12, 2008 at 11:50:07AM +0100, Spigao spigao wrote:
> First, I start the network emulator that creates the tap interfaces.
>
> I start the UML with:
>
> ./linux-2.6.24-x86_64 ubda=FedoraCore6-AMD64-root_fs eth0=tuntap,tap1
>
> Inside the UML, I do:
>
> [EMAIL PROTECTED] ~]# ifconfig eth0 up
> TUNSETIFF failed, errno = 16
> SIOCSIFFLAGS: Device or resource busy
>
> Last lines of dmesg:
>
> TUNSETIFF failed, errno = 16
> TUNSETIFF failed, errno = 16
> TUNSETIFF failed, errno = 16
> TUNSETIFF failed, errno = 16
Is there anything interesting preceding the "TUNSETIFF failed"?
This really looks like something already attached itself to the
device, preventing UML from doing so.
Are you sure your emulator isn't creating the device and then
attaching itself to it?
Jeff
--
Work email - jdike at linux dot intel dot com
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