Re: [Devil-Linux-discuss] ksoftirqd 100%

[Heiko Z. <he...@zu...>]

Quoting Devil-Linux <dev...@js...>: 

> Hi all, 
>
> We just upgraded to latest software on one router/VPN/firewall. 
>
> I had to change to ipsec-tools instead of *swan, but else all seemed fine from the 1.2.13 we had before. 
>
> Anyways, as soon as we put trafik through (VPN) it it become totaly unresponcive, and top always hangs having either close to 100%si or close to 100% on ksoftirqd. 
>
> The system is stale for a minute or so and then clears upp again, probably because the services runing trafic through it timeout. 
>
> From watching /proc/interrupts it seem to be the network cards generating alot of interupts. 
>
> We have tried changing networkcards from 3com to intel. We even bought a new machine, to change everything but still get the same problem. 
>
> The new machine works better though as the IRQ only hog one CPU/core att a time so the system still answers. 
>
> My next step is to try and recompile Devil-Linux with noapic and try that, but before I go ahead I thought I might ask here and see if you guys know anything else I could try. It might be just some silly mistake.

I asked google quickly and it seems you're not the only one with the issue. Unfortunately I couldn't find a post with a solution.

-- 

Regards
  Heiko Zuerker
http://www.devil-linux.org

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