Re: Still getting NFS client locking up

With a current build from november the 9th I am still getting exactly 
the same NFS lockups. I assume soren is as well. NFS has basically been 
pretty unusable now for over a month.

As only a couple of people have complained about this from what I can 
see I assume it is something related to something specific such as a 
network card?

 From my testing I only get this lockup when writing to the server. 
Reading from the server works perfectly all the time. So luckily I can 
still manage an NFS mounted installworld/kernel.

I just got the lockup again now whilst it downloaded p5-Net-DNS to 
portupgrade into /usr/ports/distfiles. This is a very small file but it 
was enough to trigger it off. So it doesn't look like a size related 
issue either as I can download around 4% of mysql before it locks up.

Obviously we should really try and find the cause of this before 5.2. I 
am willing to try any patches/debug on my systems. But I just have zero 
clue about what to look for myself.

As a start here is the relevent parts of my dmesg to show the NIC's I'm 
using. I wonder if this corresponds to sorens?

NFS CLIENT (xl1 would be the card it's using to talk to the server):
xl0: <3Com 3c905B-TX Fast Etherlink XL> port 0xe400-0xe47f mem 
0xea000000-0xea00007f irq 12 at device 15.0 on pci0
xl0: Ethernet address: 00:a0:24:ac:e1:b4
miibus0: <MII bus> on xl0
xlphy0: <3Com internal media interface> on miibus0
xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl1: <3Com 3c905-TX Fast Etherlink XL> port 0xe800-0xe83f irq 11 at 
device 17.0 on pci0
xl1: Ethernet address: 00:60:08:6d:1e:3b
miibus1: <MII bus> on xl1
nsphy0: <DP83840 10/100 media interface> on miibus1
nsphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

NFS SERVER:
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

Both connected to a 100meg full duplex switch.

Any ideas? As I have said I'm happy to enable some major debugging etc. 
But I just need somebody to give me a step by step guide for what to do 
and look for.

In case this thread is too old now and nobody remembers anything about 
it the previous email regarding it is at 
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=1183410+0+archive/2003/freebsd-current/20031102.freebsd-current

Regards, Matt.