On Wed, Aug 28, 2019 at 01:29:00PM -0500, Jason L Tibbitts III wrote: > If I had any idea how to do that, I happily would. I'm certainly > willing to learn. At least I can run strace to see where ls bombs: Somewhat of a caveman, I might start at the code for getdents, sprinkle printk's around until I get down to the relevant code in the NFS layer.... There's probably a better way to do it with tracing. > getdents64(5, 0x7fc13afaf040, 262144) = -1 EIO (Input/output error) > > bcodding on IRC mentioned that is a rather large count. Does make me > wonder if the server is weirding out and sending the client bogus data. > Certainly a server reboot, or maybe even just unmounting and remounting > the filesystem or copying the data to another filesystem would tell me > that. In any case, as soon as I am able to mess with that server, I'll > know more. Might also be worth capturing the network traffic and checking whether wireshark thinks the server replies are valid xdr. --b.