[LARTC] CBQ delay messages

[LARTC] CBQ delay messages

[Togan Muftuoglu]

Hi,

I have an ADSL connection (PPPOE via rp-pppoe) and currently I am using
the Ultimate Script from the Howto. Recently these messages started to
show up. What is the problem and where can I find more info to correct
this 

-- 
Togan Muftuoglu

Unusual System Events
=-=-=-=-=-=-=-=-=-=-Feb 23 20:00:04 gardiyan kernel: CBQ delay 207210 > 10sec
Feb 23 20:00:04 gardiyan kernel: CBQ delay 207174 > 10sec
Feb 23 20:00:04 gardiyan last message repeated 2 times
Feb 23 20:00:05 gardiyan kernel: CBQ delay 207108 > 10sec
Feb 23 20:00:06 gardiyan kernel: CBQ delay 207007 > 10sec
Feb 23 20:00:08 gardiyan kernel: CBQ delay 206870 > 10sec
Feb 23 20:00:09 gardiyan kernel: CBQ delay 206671 > 10sec
Feb 23 20:00:09 gardiyan last message repeated 2 times
Feb 23 20:00:11 gardiyan kernel: CBQ delay 206471 > 10sec
Feb 23 20:00:16 gardiyan kernel: NET: 4 messages suppressed.
Feb 23 20:00:16 gardiyan kernel: CBQ delay 206070 > 10sec
Feb 23 20:00:19 gardiyan kernel: NET: 5 messages suppressed.
Feb 23 20:00:19 gardiyan kernel: CBQ delay 205692 > 10sec



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Re: [LARTC] CBQ delay messages

[bert hubert]

On Mon, Feb 25, 2002 at 10:42:36AM +0200, Togan Muftuoglu wrote:
> Hi,
> 
> I have an ADSL connection (PPPOE via rp-pppoe) and currently I am using
> the Ultimate Script from the Howto. Recently these messages started to
> show up. What is the problem and where can I find more info to correct
> this 

What kind of bandwidth do you have it configured for?

Regards,

bert

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http://www.PowerDNS.com          Versatile DNS Software & Services
http://www.tk                              the dot in .tk
http://lartc.org           Linux Advanced Routing & Traffic Control HOWTO
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Re: [LARTC] CBQ delay messages

[Togan Muftuoglu]

* bert hubert; <ahu@ds9a.nl> on 25 Feb, 2002 wrote:
>What kind of bandwidth do you have it configured for?

  # The Ultimate Setup For Your Internet Connection At Home
  #
  #
  # Set the following values to somewhat less than your actual download
  # and uplink speed. In kilobits actual is 256/64 using 240/60 
  DOWNLINK$0
  UPLINK`
  TC=/usr/sbin/tc

-- 
Togan Muftuoglu

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Re: [LARTC] CBQ delay messages

[bert hubert]

On Mon, Feb 25, 2002 at 11:13:12AM +0200, Togan Muftuoglu wrote:
> * bert hubert; <ahu@ds9a.nl> on 25 Feb, 2002 wrote:
> >What kind of bandwidth do you have it configured for?
> 
>   # The Ultimate Setup For Your Internet Connection At Home
>   #
>   #
>   # Set the following values to somewhat less than your actual download
>   # and uplink speed. In kilobits actual is 256/64 using 240/60 
>   DOWNLINK$0
>   UPLINK`
>   TC=/usr/sbin/tc

Weird. This message indicates that CBQ calculated how long it had to
throttle itself, and that the calculation was very bogus. Devik, the HTB
guy, is an expert in these things.

Normally CBQ doesn't show these errors though. Devik?

Regards,

bert

-- 
http://www.PowerDNS.com          Versatile DNS Software & Services
http://www.tk                              the dot in .tk
http://lartc.org           Linux Advanced Routing & Traffic Control HOWTO
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Re: [LARTC] CBQ delay messages

[Togan Muftuoglu]

* bert hubert; <ahu@ds9a.nl> on 25 Feb, 2002 wrote:
>
>Weird. This message indicates that CBQ calculated how long it had to
>throttle itself, and that the calculation was very bogus. Devik, the HTB
>guy, is an expert in these things.

I am using the script with kernel 2.2-19 (SuSE precompiled kernel) ( The
box is the firewall/proxy machine for the DMZ and Local Lan, and this is
the first time I ever got a warning on CBQ. The script is the same the
connection speed is the same actually everything is the same. The ADSL
link is static and if the Telecom does not f...k the connection stays
5-6 days and for some reason I have not figured the Telecom resets
the connection which is up again in a 5 secs.

The only thing I have noticed is the amount of Nimda requests has
increased for the last week and the last 4 days it has been pain with
the Turkish websites which I had to block them all as networks of /16 or
/23. Being a Turk I find this a bit of irony -:)


--
Togan Muftuoglu

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Re: [LARTC] CBQ delay messages

[Martin Devera]

I don't know the Ultimate script but should not it be
DOWNLINK$0kbit
?
Attach please tc -s -d class show dev XXX output ... Probably
you set too small bandwidth (Bert is probably thinking about
the same reason :)
devik

On Mon, 25 Feb 2002, Togan Muftuoglu wrote:

> * bert hubert; <ahu@ds9a.nl> on 25 Feb, 2002 wrote:
> >What kind of bandwidth do you have it configured for?
> 
>   # The Ultimate Setup For Your Internet Connection At Home
>   #
>   #
>   # Set the following values to somewhat less than your actual download
>   # and uplink speed. In kilobits actual is 256/64 using 240/60 
>   DOWNLINK$0
>   UPLINK`
>   TC=/usr/sbin/tc
> 
> -- 
> Togan Muftuoglu
> 
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> 
> 

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Re: [LARTC] CBQ delay messages

[Martin Devera]

> >   DOWNLINK$0
> >   UPLINK`
> >   TC=/usr/sbin/tc
> 
> Weird. This message indicates that CBQ calculated how long it had to
> throttle itself, and that the calculation was very bogus. Devik, the HTB
> guy, is an expert in these things.
> 
> Normally CBQ doesn't show these errors though. Devik?

Ehh I replied to prev post before seeing this one :) Yes it
should not display them. There is only reason - too small
rate or too big minburst .. 
I suggested the original poster to send us tc -s class show,
then we will see :)
devik

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Re: [LARTC] CBQ delay messages

[Togan Muftuoglu]

* Martin Devera; <devik@cdi.cz> on 25 Feb, 2002 wrote:
>I don't know the Ultimate script but should not it be
>DOWNLINK$0kbit
>?
>Attach please tc -s -d class show dev XXX output ... Probably
>you set too small bandwidth (Bert is probably thinking about
>the same reason :)
>devik

here is the output tc -s -d class show dev ppp0

class cbq 1: root rate 10Mbit cell 8b (bounded,isolated) prio 
no-transmit/8 weight 10Mbit allot 1492b level 2 ewma 5 avpkt 1000b
maxidle 23us
 Sent 145 bytes 3 pkts (dropped 0, overlimits 0)
  borrowed 0 overactions 0 avgidle 624 undertime 0

class cbq 1:10 parent 1:1 leaf 10: rate 480Kbit cell 8b prio 1/1 
weight 480Kbit allot 1600b level 0 ewma 5 avpkt 1000b maxidle 23us
 Sent 2684590 bytes 49302 pkts (dropped 0, overlimits 1902)
  borrowed 0 overactions 291 avgidle 624 undertime 0

class cbq 1:1 parent 1: rate 480Kbit cell 8b (bounded,isolated) prio \
5/5 weight 480Kbit allot 1500b level 1 ewma 5 avpkt 1000b maxidle 23us
 Sent 6702161 bytes 78268 pkts (dropped 0, overlimits 0)
  borrowed 39 overactions 0 avgidle 624 undertime 0

class cbq 1:20 parent 1:1 leaf 20: rate 432Kbit cell 8b prio 2/2 
weight 432Kbit allot 1600b level 0 ewma 5 avpkt 1000b maxidle 23us
 Sent 4017571 bytes 28966 pkts (dropped 0, overlimits 2083)
  borrowed 39 overactions 553 avgidle 624 undertime 0

-- 
Togan Muftuoglu

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Re: [LARTC] CBQ delay messages

[Martin Devera]

Well, it is not the case. :-[ Here I have to say that
I have no idea. The only way will be massive debugging.
All setting seems to be ok except maxidle 23us which seems
to be too small. But not neccessarily .. with this high
speed.
Seems like next candidate to cbq's list of weird 
behaviour :(
devik

> >Attach please tc -s -d class show dev XXX output ... Probably
> >you set too small bandwidth (Bert is probably thinking about
> >the same reason :)
> >devik
> 
> here is the output tc -s -d class show dev ppp0
> 
> class cbq 1: root rate 10Mbit cell 8b (bounded,isolated) prio 
> no-transmit/8 weight 10Mbit allot 1492b level 2 ewma 5 avpkt 1000b
> maxidle 23us
>  Sent 145 bytes 3 pkts (dropped 0, overlimits 0)
>   borrowed 0 overactions 0 avgidle 624 undertime 0
> 
> class cbq 1:10 parent 1:1 leaf 10: rate 480Kbit cell 8b prio 1/1 
> weight 480Kbit allot 1600b level 0 ewma 5 avpkt 1000b maxidle 23us
>  Sent 2684590 bytes 49302 pkts (dropped 0, overlimits 1902)
>   borrowed 0 overactions 291 avgidle 624 undertime 0
> 
> class cbq 1:1 parent 1: rate 480Kbit cell 8b (bounded,isolated) prio \
> 5/5 weight 480Kbit allot 1500b level 1 ewma 5 avpkt 1000b maxidle 23us
>  Sent 6702161 bytes 78268 pkts (dropped 0, overlimits 0)
>   borrowed 39 overactions 0 avgidle 624 undertime 0
> 
> class cbq 1:20 parent 1:1 leaf 20: rate 432Kbit cell 8b prio 2/2 
> weight 432Kbit allot 1600b level 0 ewma 5 avpkt 1000b maxidle 23us
>  Sent 4017571 bytes 28966 pkts (dropped 0, overlimits 2083)
>   borrowed 39 overactions 553 avgidle 624 undertime 0
> 
> -- 
> Togan Muftuoglu
> 
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> 
> 

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