[Help] Strange Linux server no response problem, fixed by hitting ENTER at console!

[Crucificator]

Charles wrote:

>Dear all,
>
>Recently one of our servers randomly stop responding, but it does not hang.
>
>When the problem happens, all the network services stop responding, but
>the server is still running. Then many processes are queued up and cause the 
>avg no. of process running sky to over 100 in 10min! If I was connecting an 
>ssh to the server, it just stop response but the connection is still there.
>ping also has response.
>
>The most strange thing is, when I press an ENTER key at the console, the
>problem solved instantly and everything back to normal. Even my ssh connection
>will have response again.
>
>Our server's config:
>
>Hardware: Dual P3-700Mhz, 640M RAM, 2 x 10G IDE HDD running Software RAID-1
>OS: RedHat Linux 8.0
>kernel: kernel-2.4.18-14smp
>
>Special config:
>- freeswan-1.99_x509_0.9.15_2.4.18_14 installed
>
>Do you know what happens and kindly give me any suggestions? Thanks!
>
>
>Best Regards,
>Charles
>
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Does the problem get solved only by pressing enter or by pressing any
key on the keyboard?