yeah... it's a hub alright.... i'll be busting out the crimpers
tonight....  :)

n8


On 6 Jun 2001, Fredrik Hubinette wrote:

> 
> This looks very much like the problem I had.
> You have your BBA hooked up to a hub, right?
> 
> In my case, the problem is that the dreamcast BBA handles
> collision detection *extremely* poorely. This combined with
> the incredibly stupid backoff routines in NFS makes it
> impossible to use a rsize over 1024 bytes in some cases.
> 
> There are two solutions to the problem: Use a kernel
> compiled with RSIZE set to 1024. If you can't find one
> or make one I can give you the one Marcus Comstedt compiled
> for me. 
> 
> The other solution is to make sure that collisions never happens:
> Either by hooking up your BBA to a full-duplex-capable switch, or
> hook up your BBA directly to a computer/network card/router with
> a crossed ethernet cable.  This solution also has the advantage that
> you can get around 500Kb/s through your BBA instead of 50Kb/s
> with RSIZE=1024..
> 
>         /Fredrik Hubinette (buying a switch real soon now)
> 
> 
> Nathan Mahon <nate@aftershock.blackhat.net> writes:
> 
> > Okay.... its on ftp.netbsd.org and i'm downloading it now.
> > I had previously set up the files i mentioned, and when i boot it with
> > everything, it seems to hang/stop its boot after the following lines:
> > 
> > <kernelstuff>
> > nfs_boot: Trying DHCP/BOOTP...
> > nfs_boot: Timeout...
> > nfs_boot: DHCP server: 10.5.5.203
> > nfs_boot: my_addr: 10.5.5.129
> > nfs_boot: my_mask: 255.255.255.0
> > root on 10.5.5.203:/usr/home/vae/dc-fs
> > root file system type: nfs
> > 
> > 
> > <hang>
> > 
> > 
> > any clues?
> > will switching to the 20010227 set work?
> > 
> > n8
> > 
> > PS: using IPSlave and a NetBSD server...
> > 
> > 
> > 
> > 
> > On Tue, 5 Jun 2001, scav wrote:
> > 
> > > It seems my first response went directly to Jared by mistake:
> > > 
> > > Strangely enough, a snapshot can be found here at
> > > /pub/NetBSD/arch/sh3/snapshot/20010227-dreamcast-elf-test on the ftp
> > > (ftp.se.netbsd.org at least, but should be the same.)
> > > 
> > > --scav
> > > 
> > > > I was wondering if there was an alternate location to get up-to-date
> > > > snapshots from, as the location referred on netbsd.org/Ports/dreamcast
> > > > (ftp://ftp.netbsd.org/pub/NetBSD/arch/dreamcast/snapshot/) contains no
> > > files.
> > > >
> > > > Thanks for your help.
> > > >
> > > > -J
> > > >
> > > >
> > > 
>