LARTC - Dec 2003 - tc troubles with pfifo_fast qdisc on 2.4.23 kernel

Hi!

I was updated kernel from 2.4.22 to 2.4.23 
and now tc tools can''t correctly determine default (pfifo_fast) qdisc
on interface:

# tc/tc qdisc ls dev ppp0
qdisc pfifo_fast 0: [Unknown qdisc, optlen=20]

but, if I assign f.e. cbq qdisc for some device all show correctly:

# tc/tc qdisc ls dev ppp1
qdisc tbf 8009: rate 32Kbit burst 10Kb lat 1.5s
qdisc cbq 66: rate 10Mbit (bounded,isolated) prio no-transmit

what can I do to fix this?

-- 
Andrey Grebenkov (ANDY-UANIC)				ISP "Lucky Net"
Network engineer	 				Kiev, Ukraine
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>
>            Hi!
>
> I was updated kernel from 2.4.22 to 2.4.23
> and now tc tools can''t correctly determine default (pfifo_fast)
> qdisc on interface:
>
> # tc/tc qdisc ls dev ppp0
> qdisc pfifo_fast 0: [Unknown qdisc, optlen=20]
>
> but, if I assign f.e. cbq qdisc for some device all show correctly:
>
> # tc/tc qdisc ls dev ppp1
> qdisc tbf 8009: rate 32Kbit burst 10Kb lat 1.5s
> qdisc cbq 66: rate 10Mbit (bounded,isolated) prio no-transmit
>
> what can I do to fix this?
Propably you should patch your TC binary with newer, that properly
understand your kernel.

I have the similar problem when i used ESFQ queue, and then i used some
other tc utility for showing queues.



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