Major problem with "No buffer space available" errors

Eric Anderson anderson at centtech.com
Wed Jul 16 08:00:19 PDT 2003


James West wrote:
> Hi,
> 
> I'm having huge problems with "No buffer space available" errors. I've increased MAXUSERS to 512 in the kernel, recompiled, rebooted and the sysctl values below show that everything is up'ed to the max.
>  
> some details which may help are:
> 
>     kern.maxfiles: 10796
>     kern.maxfilesperproc: 9716
>     kern.ipc.maxsockbuf: 262144
>     kern.ipc.somaxconn: 65000
>     kern.ipc.nmbclusters: 65000
>     kern.ipc.maxsockets: 65000

Try reducing the somaxconn and maxsockets.  How much memory do you have 
on these machines?

Eric






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Eric Anderson	   Systems Administrator      Centaur Technology
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