On Wed, 2009-05-13 at 10:19 -0700, Tom Eastep wrote:
> 
> Brian,
> 
> I see nothing wrong with the generated commands. I've performed this
> sequence of operations on two different systems ranging from Debian Etch
> (2.6.18) to Ubuntu Jaunty (2.6.28):

Hrm.  I was about to say maybe it's my kernel/iproute2 version (which is
2.6.25.20 and 2.6.25, respectively) but your fairly wide version range
seems to eliminate that possibility.

> r...@ursa:# tc qdisc add dev eth1 root handle 1: htb default 13
> r...@ursa:# tc class add dev eth1 parent 1:1 classid 1:11 htb rate
> 558kbit ceil 570kbit prio 1
> r...@ursa:# tc qdisc add dev eth1 parent 1:11 handle 11: sfq limit 127
> perturb 10
> r...@ursa:# tc filter add dev eth1 protocol ip parent 1:0 prio 1 handle
> 1 fw classid 1:11
> r...@ursa:#
> 
> That appears to be the sequence of operations that is failing on your
> box (I've omitted a couple of parameters that should have no effect on
> the failing command).

Hrm.  I will give that same sequence a try here.  Hopefully I can do it
without pooching things up the live router too much.

> Is there a way that you can confirm that the above sequence fails?

OK.  So first 3 commands executed successfully.  The last one is where I
get the error:

# tc qdisc add dev eth1 root handle 1: htb default 13
# tc class add dev eth1 parent 1:1 classid 1:11 htb rate 558kbit ceil 570kbit 
prio 1
# tc qdisc add dev eth1 parent 1:11 handle 11: sfq limit 127 perturb 10
# tc filter add dev eth1 protocol ip parent 1:0 prio 1 handle 1 fw classid 1:11
RTNETLINK answers: No such file or directory
We have an error talking to the kernel

> No
> copy of busybox that I have includes 'tc' support so I can't try this in
> that environment.

Yeah.  My environment is using tc from iproute2, so no issues of busybox
neutering should be at play here.

b.

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