PC-NFS hanging

2007-12-25 8:22:00

Recap: PC-NFS 5.0 on a 486 DX connected via ethernet to a Sun 4/470 as server.

Server's filesystems could be mounted on the PC, but any operations would

quickly lock up the PC, the only way out being complete reboot.

The opinions on this were mainly divided between memory clashes and IO clashes

and interrupt clashes. KennedyLemke reported an interesting solution that does

not apply in our setup, which I'll repeat in case it rings bells anywhere:

According to Sun there is a problem using 3Com ethernet boardson a network that

has an MMAC-8 where the PC and the NIS or NFS server sit on the *same* side of

the IRM board of the MMAC-8. Western Digital ethernet boards, for example, do

not have this problem.

Our problem turned out not to be a memory clash or interrupt clash. Two ethernet cards

were tried. There was a clash between the IO address of the first one and the

CD-ROM; this was adjusted, but without complete improvement in operation. The

second card was tried at this point. I had thought that the installer had

checked this card too for IO clash, but he didn't! When Pete Biggs of Oxford's

Physical Chemistry Lab, who knows more about computers than I ever hope to

know, had a look, he sorted it out by moving a jumper on the ethernet board.

Perfect solution. Just shows that everything should be double-checked.

Apologies and thanks to all who replied:

wolf!angel@netcom.com - A. R. Rivera

jpd@cad.msu.edu - Joseph P DeCello III

szh@zcon.com - Syed Zaeem Hosain

Matt_Mauss_-T@hqdev.3mail.3com.comd

evas@cs.few.eur.nl - Eelco van Asperen

schara@exu.inf.puc-rio.br - Luiz Claudio Schara Magalhaes

particularly Pete Biggs

Martin Smith

Voltaire Foundation

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