On Mon, Feb 08, 2021 at 06:58:38AM -0500, Benjamin Coddington wrote: > On 7 Feb 2021, at 12:18, Rue Mohr wrote: > > >I'm having an issue where the kernel server is dishing out all > >zeros for file content being read over NFS. The file byte count is > >correct. > >Writing files is fine. > >With the same client, a different server works just fine. > > > >I have been trying to pin this down, so far all I know is that the > >packets from the server actually contain zeros for the file > >contents. > > > >The troubled server kernel is 5.4.1 > > > >Has anyone encountered this or is it just me? > > Haven't heard of this before, but sounds like a fascinating problem. > > What version of nfs, and what security? You're seeing READ > operations returning > with rsize-ed blocks of all-zero data in a network capture? It might also be useful to know what filesystem you're exporting, with what mount and export options. --b.
