While investigating some of the other issues that have been reported lately, I've found that my v6.0-rc3 NFS/TCP client goes off the rails often (but not always) during generic/650. This is the test that runs a workload while offlining and onlining CPUs. My test client has 12 physical cores. The test appears to start normally, but then after a bit the NFS server workload drops to zero and the NFS mount disappears. I can't run programs (sudo, for example) on the client. Can't log in, even on the console. The console has a constant stream of "can't rotate log: Input/Output error" type messages. I haven't looked further into this yet. Actually I'm not quite sure where to start looking. I recently switched this client from a local /home to an NFS-mounted one, and that's where the xfstests are built and run from, fwiw. -- Chuck Lever
