Linux-kernel mailing list archive 1998-10,: Re: pre-2.1.90..

# Re: pre-2.1.90..

Andrea Arcangeli (arcangeli@mbox.queen.it)
Wed, 11 Mar 1998 21:52:58 +0100 (CET)

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On Wed, 11 Mar 1998, David S. Miller wrote:

>I have things cranking a bit more at the moment. BTW how are you
>measuring localhost thruput? If with lmbench, run it a few times
>before you come to numerical conclusions because:

With pre-patch-2.1.90-1:

andrea@arca:/tmp$ fromport 3000 >/dev/null &
[1] 3521
andrea@arca:/tmp$ cat /dev/zero | toport arca 3000
Sent 00063488 bytes

It stalls after 60kbyte sent, while in 2.0.33 it run fine.

It seems only a synchronization bug since running fromport and toport
through strace fix the sync and the two programs return to run as (or
better than ;-) 2.0.33.

Andrea[s] Arcangeli

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