On Wed, Apr 23, 2003 at 12:21:39PM +0100, Martin wrote: > > I can turn the thing on, set the mac address to something sensible, > > get an ip from rarpd running on a linux box and start downloading > > linux-a.out [for sparc] by tftpboot. The problem is that it doesnt > > download the whole image, it stops at some arbitary [spelling?] > > point and then tries to execute what it's got -obviously that doesnt > > work as it hasnt got the whole image. Any ideas? the tftpd seems to > > work ok as i can download the entire image using a tftpclient on > > another machine. > I've had a similar problem with an SLC stopping at 1ec00 every boot. > This was because OpenBoot doesn't respond to ARP requests while it is > downloading the image. yeah, was watching tcpdump while it downloaded and i couldnt work out why the server was continually arping whohas 192.168.0.14 when it should know -it just assigned it!! [from /etc/ethers]
> Solution - hardware the SPARCs MAC address on the server (arp -s IIRC > or /etc/ethers) or increase the ARP time out beyond the couple of > minutes taken to tftp the kernel. hmm a little googling gives echo 60000 > /proc/sys/net/ipv4/arp_timeout but... [EMAIL PROTECTED]:~# echo 60000 > /proc/sys/net/ipv4/arp_timeout bash: /proc/sys/net/ipv4/arp_timeout: No such file or directory right, im running kernel 2.4.18 and i think rarpd and arpd are seperate from the kernel? [EMAIL PROTECTED]:/proc/sys/net/ipv4# rarp -a This kernel does not support RARP. [EMAIL PROTECTED]:/proc/sys/net/ipv4# /bin/ps ax |grep [r]arpd 492 ? S 0:00 /usr/sbin/rarpd -e -v any idea how to increase the arp timeout? > can of ethereal(1) shoudl confirm that this is the case as you should > see a bunch of ARP requests from the server after the download halts. > > Additionally I've had problems with a more loaded network - it seems > early versions of OpenBoot don't retry if they loose a packet in the > middle of the download - they just appear to stop. yeah, if the arp thing doesnt work, ill try it with a crossover cable (the sparc is on a rather cheap and sometimes busy hub atm) thanks -- Hugh Saunders [GCv3.12] GCS d- s: a--- C+++ UL++>$ P+ L+++ E--- W-- N++ K- w-- M- V? PS-- Y PGP- t-- !5 X- R- tv-() b- DI+ D- G++ e- h++ r z?
