kernel-enterprise-2.4.18.4mdk-1-1mdk nfs-utils-clients-0.3.3-3mdk nfs-utils-0.3.3-3mdk
2-way SMP, PIII/1GHz XFS While running tests this evening against NFS, I get crashes on the serving machine when attempting to write a large amount of data from a client, large being defined as between 50-400MB. When this happens, the server becomes completely unresponsive. Open telnet/ssh sessions don't respond, open TTY sessions don't respond, and although I can type in a username at <alt-Fn> login prompts, getty never returns. <alt-sysrq> brings up options, but Sync hangs and fails. Both ends have the same nfs rpm levels. Kernelwise server is 2.4.18.4mdk, and client 2.4.18.1mdk. I'm completely unable to find any reference at all in the server logs. No kernel messages, no daemon messages, nothing at all. I might as well have hit the power button for all the logs show. I can crash this at will. The only recovery is forced power-cycle. The client machine only had this to say in syslog: Mar 7 20:21:43 bfelmey kernel: nfs: task 14310 can't get a request slot Mar 7 20:21:43 bfelmey kernel: nfs: task 14311 can't get a request slot Mar 7 20:21:43 bfelmey kernel: nfs: task 14312 can't get a request slot Mar 7 20:21:43 bfelmey kernel: nfs: task 14313 can't get a request slot ...<many more lines> -- Brad Felmey
