Subject: Re: 1.0pl6 3c509 Network Hangs
To: Daniel Carosone <>
From: Mark P. Gooderum <>
List: current-users
Date: 02/03/1995 06:52:07
> Rens Troost writes:
>  > 
>  > I'm running 1.0 with the patches on a 486/66 Adaptec AHA-1520 with
>  > a 3c509 ethernet card. AFter working OK for a while, the ethernet
>  > will inevitably hang, crippling the machine. It seems to happen
>  > faster with NFS. In addition, transmit behavior seems pretty 
>  > bursty.
>  > 
>  > I seem to recall something about dropping in the ethernet driver
>  > from the current distribution....has anyone had this problem? 
>  > Know a fix?
> I had this problem installing a new machine, a workaround that seemed
> effective was to limit the NFS read/write sizes to 1024.

Interesting.  I had this exact same problem.  The process doing NFS would
hang, network activity would stop, but the rest of the system would stay up.

I'd also get hangs with non-NFS traffic like ftp, but I could usually clear
the hang with an ifconfig down/up combo.