Are you "sure" it's not the network itself?
I've had problems with Redhat 8.0 and the Intel EPro 100 driver. Changing it from "eepro100" to "e100" clears up the problem.

Just a shot in the dark.

Ric

Iulian Musat wrote:
Hi everybody !

After we installed a fresh RedHat 8.0 on a 2 processor machine the NFS daemon hangs from time to time - really badly, since I cannot kill it with -9. The problem occurs every couples of days.

I cannot even reboot, because the reboot process will hang trying to kill the NFS daemon. The problem is that after I try to kill nfsd, the exported partitions are not accessible, even locally - every access just hangs. Also, umount will report that the partition is busy. Just to make it clear:
- the nfsd hangs (I cannot access the exported partition from any client)
- the partition is still accessible locally
- try (unsuccessfully) to kill nfsd
- the partition is not accessible anymore

There is no processor activity when it hangs – both processors are idle. Also looks like there is no disk activity.

Now, the partitions are some big (1TB) RAID disks. The RAID system is a separate box, accessible through a SCSI interface. So the computer will see just one big disk. Actually there are two of them, on different LUNs: 0 and 1. It worked fine before the upgrade, but because of a old kernel only LUN0 was accessible.

Here are the details :
processor: two Pentium III (Coppermine) at 800MHz, 256KB cache
memory: 2GB
kernel version: 2.4.18-19.8.0smp (upgraded with up2date)


I think there is no need to say that any suggestions to solve this problem are extremely welcome :-)

Cheers,
iulian




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