I unfortunatly left my realtek network card in work so I'll do this tomorrow night instead of tonight.
But I've now installed the absolute latest world/kernel on both server and client again to see if the hang has gone.
I have noticed the NFS transfer hangs at the same point always. If I cp mysql-4.0.16.tar.gz to /usr/src it hangs instantly and always with this filesize:
-rw-r--r-- 1 root wheel 122880 Nov 25 18:30 mysql-4.0.16.tar.gz
Is that significant in any way?
Another test I just did is swap the roles of the client and server around. So I've ran a server on the client and mounted the directory on the server.
Doing this and NFS works perfectly writing to the server but not reading. It hangs whilst reading.
Left for 5 minutes so far:
-rw-r--r-- 1 root wheel 65536 Nov 25 18:39 mysql-4.0.16.tar.gz
This filesize looks significant to me. Like a buffer is full or something.
So this suggests I have a problem only in the one direction. And this is also the direction I have the xl0 transfer problems with. I would suggest my problems are totally down to the xl0 card/driver and not NFS related at all.
I will find this out once and for all when I test with the realtek card tomorrow night (when I remember to bring it home from work).
The affected card is:
[EMAIL PROTECTED]:7:0: class=0x020000 card=0x100010b7 chip=0x920010b7 rev=0x74 hdr=0x00
vendor = '3COM Corp, Networking Division'
device = '3C905C-TX Fast EtherLink for PC Management NIC'
class = network
subclass = ethernet
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x1000-0x107f mem 0xfc304800-0xfc30487f irq 10 at device 7.0 on pci5
xl0: Ethernet address: 00:04:76:8d:c5:fd
miibus0: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus0
xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
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