Messages in this thread | | | Date | Wed, 24 Feb 1999 03:23:37 -0500 (EST) | From | Steve Hsieh <> | Subject | Re: 2.2.1 SMP: NFS can't get a request slot |
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> > Feb 4 08:51:49 sk kernel: nfs: task 31660 can't get a request slot > > > > After seeing these messages, nfs on this SMP 2.2.1 machine no longer > > works. The problem only seems to crop up if the machine accesses its own > > nfs server (ie: export a directory and then access the directory via amd's > > automounter on the same machine). > > > > The messages themselves just mean that the RPC layer is congested, and > that a backlog of messages waiting to be sent is building up. Whenever > one of these messages times out, it issues the 'task xxx can't get a > request slot' error. > > The question then arises as to why the RPC layer gets congested when > accessing your own nfs server. I have no problems with this on my own > machine, so I would first and foremost suspect amd. Can you repeat the > problem using just the stock NFS client + server?
The problem only occurs on our quad SMP when all processors are running disk-intensive simulations. I will try to bypass amd and see what happens... The problem is sporadic and therefore hard to repeat.
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