Re: HTB stalling

Linux Advanced Routing and Traffic Control

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Andy Furniss wrote:

Andy Furniss wrote:

Is anyone who gets the stalls using CPU as timer?


I see Arpad is - another difference possibly - do you have smp as kernel option but have one processor. I don't know if it's anything to do with this, but last time I left it on as an option I got a panic - so it's always off for me now.

I use the CPU as timer and I have a dual Xeon box. So I use the SMP but I have phisically 2 CPUs. I don't use HyperThreading.
When I ran into this problem the CPU usage was not too high. The load was low and I had 25-50% idle CPU time (top). If I make some load on the macine the ping times grow and none else change. I checked that the ksoftirqd is not eating my CPU.
In the next 2-3 weeks I'll try to make a setup with HFSC not HTB maybe it will help (I cant use CBQ on this machine). But there are about 20-25000 tc objects on this machine and it's not a 5 minutes job :-(
I haven't any else idea yet :-(


Arpad Kunszt
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