Re: TCP stops sending ACKs after 32 mesg...

[kuznet@xxxxxxxxxxxxx]

Hello!

>   I recall having seen this kind of problems in 2.1/2.2 series,
>   possibly a bug-fix was added in late 2.2 to restore earlier
>   behaviour in 2.0...

No, it was repaired only in 2.4. Actually, I think 2.0 behaved approximately
in the same way, the source of the bug is deep in linux approach
to memory accounting and 2.0 was not different.


> > 2) If these processes are run on different Linux m/c's with kernel 
> >    2.2.xx, the problem doesn't appear.
> 
>   Quite so.

No, it appears. Only number "32" is different, on ethernet it changes
to ~90 (for size > rx_copy_break) or 1000.

Alexey