Messages in this thread | | | Date | Thu, 24 Dec 1998 10:11:37 +1100 | From | Dancer <> | Subject | Re: nfsroot pathology |
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I think you'll find that if you lock the link speed to 10mpbs, instead of 100, that your problem will go away. We had a similar problem with the 3com 100mbps cards.
D
Brian Craft wrote: > > I'm stumped on an odd nfsroot behavior I'm seeing: > > NFS moves at about 8 kbaud. A 1k packet every second or so. It takes > hours to boot (it's never made it all the way up). This is on 100bT > media. > > This doesn't happen if I boot the client off the hard drive & nfs mount the > same directories. In that case it runs at a normal speed. > > What difference would there be in the networking between nfsroot mounting > and mounting after the machine is up? On an isolated hub? > > Even stranger, on two occasions -- without changing anything -- after running > slow for about a minute, it suddenly started running at normal speed (and > went through the boot sequence very quickly until it choked on something > else I haven't sorted out yet). This sudden change of speed by many orders > of magnitude seemed completely random. > > The client in question is a Versa 486 with a pcmcia Linksys Etherfast 10/100. > I'm booting from floppy with an initrd that holds the pcmcia & network > modules. > > The server is a 586 with a 3com905. > > I've tried this with kernels 2.0.35 and 2.0.36 (on both ends). > > Anyone know what could cause this? I've been messing with the NFS parameters, > but haven't settings which affect this. It appears that the first major > timeout occurs before anything hits the wire: tcpdump on the server shows > no activity (not even an ARP) before the 1st "NFS server not responding" > message (with retrans=3). > > b.c. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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