On Mon, Oct 26, 2020 at 09:58:17AM -0400, Chuck Lever wrote: > >> So all I notice from this one is the readdir EIO came from call_decode. > >> I suspect that means it failed in the xdr decoding. Looks like xdr > >> decoding of the actual directory data (which is the complicated part) is > >> done later, so this means it failed decoding the header or verifier, > >> which is a little odd: > >> > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016276] RPC: 3284 call_decode result -5 > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016281] nfs41_sequence_process: Error 1 free the slot > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016286] RPC: wake_up_first(00000000d3f50f4d "ForeChannel Slot table") > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016288] nfs4_free_slot: slotid 0 highest_used_slotid 4294967295 > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016290] RPC: 3284 return 0, status -5 > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016291] RPC: 3284 release task > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016295] RPC: freeing buffer of size 4144 at 00000000a3649daf > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016298] RPC: 3284 release request 0000000079df89b2 > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016300] RPC: wake_up_first(00000000c5ee49ee "xprt_backlog") > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016302] RPC: rpc_release_client(00000000b930c343) > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016304] RPC: 3284 freeing task > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016309] _nfs4_proc_readdir: returns -5 > >>> Sep 8 16:03:23 portatil264 kernel: [15033.016318] NFS: readdir(departamentos/innovacion) returns -5 > > > > Hi, Bruce et al. > > > > Is there anything we can do to help debugging/fixing this? It's still > > biting our users with a +4.20.x kernel. > > Alberto, can you share a snippet of a raw network capture that shows > the READDIR Reply that fails to decode? Hi, Chuck. Thanks for your reply. We're using "sec=krb5p", which makes the network capture useless :-( I'm afraid it's quite difficult to disable that, since we have +200 NFS clients on production. -- Alberto González Iniesta | Universidad a Distancia alberto.gonzalez@xxxxxxxx | de Madrid
