Re: Unable to halt or reboot due to - unregister_netdevice: waiting for eth0.20 to become free. Usage count = 1

On 01/09/06, Jesper Juhl [off-list ref] wrote:

On 01/09/06, Herbert Xu [off-list ref] wrote:

quoted

Jesper Juhl [off-list ref] wrote:

quoted

I've just encountered the problem on a different server with an
identical vlan setup. That server is running 2.6.13.4

Do you have a simple recipe to reproduce this? Ideally it'd be a
script that anyone can execute in a freshly booted system that
exhibits the problem.

Well, the first server I saw this on only had a base install of debian
stable on it, then I replaced the kernel, configured the vlan
interface in /etc/network/interfaces typed 'reboot' and it failed -
and it seems to fail reliably on reboot every time.

Ok, I've done some more testing and it seems, unfortunately, that I
can't trigger the problem reliably. I guess I was just "lucky" with my
first few reboots.
It now seems that uptime and/or amount of data that has flowed over
the vlan interface impacts the probability of hitting the problem.

-- 
Jesper Juhl [off-list ref]
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