Re: invalid argument

Linux Advanced Routing and Traffic Control

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Grace Baldonasa wrote:
> 
> Hi All,
> 
> I cross compiled and run tc in arm platform.
> When I tried executing it I got this error.
> 
> tc qdisc add dev eth0 root handle 1:0 cbq bandwidth 100Mbit avpkt 1000
> mpu 64
> RTNETLINK answers: Invalid argument
> 
> Is there something I'm missing here...
> 
> Thanks.
> 
> Grace

I don't know what "arm" is.

Are you certain that the CBQ module loaded?  Yes, it should be a module,
not built into the kernel.

First make sure that there is only one TC executable on your system. 
Then try a few different TC commands:

tc -s qdisc ls dev eth0
tc -s class ls dev eth0
tc qdisc add dev eth0 root handle 1: htb default 30

If the htb works then the problem is, of course, cbq.  If both cbq and
htb fail but the "show" commands above work, then I can't help.  But if
all fail, your cross compile was bad.

Also try 
modprobe sch_cbq
modprobe -r sch_cbq
modprobe sch_htb
modprobe -r sch_htb
and watch your logs.

gypsy
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