Re: dst cache overflow

[Andrew Morton]

buakaw@xxxxxxxxxxxxxxxxxxxx wrote:
>
> the system become very laggy.
> i use kernel 2.6.10/2.6.11.3 on p4 2.8, msi915p, 3 x 3com905 boomerang.
> and the cpu usage normally be about 12% and after something happens it
> boost to 100% and it is used mostly by ksoftirqd/0, and a little bit by 
> migration/0 and event/0. and in syslog i found thies lines
> 
> Mar 20 22:21:09 buakaw kernel: printk: 5543 messages suppressed.
> Mar 20 22:21:09 buakaw kernel: dst cache overflow
> 
> what can cause this?

Could you please describe the workload?  What is the computer doing at the
time, and how is it set up?

Thanks.
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