Re: [LARTC] HTB stalling

[Krystian Antoni <krystianantoni@gmail.com>]

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Connection is 256kbit/2mbit, but the down interface is used for SMB also so 
its shaped from 100mbits. The interfaces are both ethernet.
 Number of rules in Iptables is around 300, and I have a new kernel (from 
kernel org) and new iptables.
 Number of qdisc/class per interface is 7-8. Leaf classes are SFQ.
 I tryed:
- running only one part of QOS (down or up) 
- puting only minimal set of rules in iptables
- getting kernels from fedora/kernel.org
- reinstalling fedora.
- changing clock from standart to gettimeofday
- changed leaves from SFQ to PRIO
- changed speeds of QOS.
- played with my outside interface from HALF to FULL duplex and reverse way.
and still I had this stalls on the interface which has HTB QoS setup.
 Load of my internet connection is around 10%. Propably you're thinking that 
I set up my connections parameters too high in QOS, but that is not the case 
(I think ;-) since I did a little bit of testing and found out the setting 
which alowed me to keep LAN pings through my internet connection even under 
heavy load. 
 CBQ works without any problems. 
 Computer is 233 MMX with 128 of RAM (36 MB used for system), NIC's are 
3com's 905B and 905C. I dont remember if I tryed changing them :-)
 And I dont really now what is that I screw up :-) Wonna see my qos scripts? 
:D


On 4/19/05, Andy Furniss <andy.furniss@dsl.pipex.com> wrote: 
> 
> Krystian Antoni wrote:
> > Hi
> >
> > Couple months ago I started to have a strange problem with HTB.
> > My setup is Fedora Core 2 + Pentium 2 233 + 128 MB of ram and its 
> serving as
> > a router.
> > For some time since going to kernel 2.6 my HTB QoS Stalls for couple
> > seconds, every couple minutes. If the connection load is bigger the 
> stalling
> > is more frequent and takes longer.
> > I isolated the problem to be with HTB (CBQ works fine).
> > The script I use now worked for a year without any problems, but since
> > fedora changed to 2.6 the problems started.
> > The problem is with the stock kernel and with a self-compiled one.
> 
> What sort of load, number of rules/classes and bandwidth do you have?
> 
> Andy.
> 



-- 
Miłego Dnia
Krystian Antoni

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