Date: Wed, 17 Mar 2021 13:17:52 -0400 From: Jason Breitman <jbreitman@tildenparkcapital.com> To: freebsd-net@freebsd.org Subject: NFS Mount Hangs Message-ID: <33693DE3-7FF8-4FAB-9A75-75576B88A566@tildenparkcapital.com> In-Reply-To: <3750001D-3F1C-4D9A-A9D9-98BCA6CA65A4@tildenparkcapital.com> References: <C643BB9C-6B61-4DAC-8CF9-CE04EA7292D0@tildenparkcapital.com> <3750001D-3F1C-4D9A-A9D9-98BCA6CA65A4@tildenparkcapital.com>
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Please review the details below and let me know if there is a setting that = I should apply to my FreeBSD NFS Server or if there is a bug fix that I can= apply to resolve my issue. I shared this information with the linux-nfs mailing list and they believe = the issue is on the server side. Issue NFSv4 mounts periodically hang on the NFS Client. During this time, it is possible to manually mount from another NFS Server = on the NFS Client having issues. Also, other NFS Clients are successfully mounting from the NFS Server in qu= estion. Rebooting the NFS Client appears to be the only solution. Environment NFS Server OS: FreeBSD 12.1-RELEASE-p5 NFS Client OS: =09=09Debian Buster 10.8 Kernel:=094.19.171-2 Protocol:=09NFSv4 with Kerberos Security Mount Options:=09nfs-server.domain.com:/data=09/mnt/data=09nfs4=09lookupcac= he=3Dpos,noresvport,sec=3Dkrb5,hard,rsize=3D1048576,wsize=3D1048576=0900 Output from the NFS Client when the issue occurs # netstat -an | grep NFS.Server.IP.X tcp 0 0 NFS.Client.IP.X:46896 NFS.Server.IP.X:2049 F= IN_WAIT2 # cat /sys/kernel/debug/sunrpc/rpc_xprt/*/info netid: tcp addr: NFS.Server.IP.X port: 2049 state: 0x51=20 syslog Mar 4 10:29:27 hostname kernel: [437414.131978] -pid- flgs status -client-= --rqstp- -timeout ---ops-- Mar 4 10:29:27 hostname kernel: [437414.133158] 57419 40a1 0 9b723c73= 143cfadf 30000 4ca953b5 nfsv4 OPEN_NOATTR a:call_connect_status [sunrpc= ] q:xprt_pending Mar 4 10:29:27 hostname kernel: [437414.135211] 57420 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.137250] 57421 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.139345] 57422 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.141496] 57423 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.143712] 57424 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.145940] 57425 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.148227] 57426 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.150575] 57427 4081 -11 9b723c73= (null) 0 4ca953b5 nfsv4 OPEN_NOATTR a:call_reserveresult [sunrpc]= q:xprt_sending Mar 4 10:29:27 hostname kernel: [437414.152938] 57428 4080 -11 9b723c73= (null) 0 fb0400d nfsv4 LOOKUP a:call_reserveresult [sunrpc] q:xp= rt_sending Mar 4 10:29:27 hostname kernel: [437414.154478] 57433 4080 -11 27bf33c1= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.156023] 57434 4080 -11 27bf33c1= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.157549] 57435 4080 -11 27bf33c1= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.159073] 57436 4080 -11 27bf33c1= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.160587] 57437 4080 -11 27bf33c1= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.162094] 57438 4080 -11 27bf33c1= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.163597] 57431 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.165100] 57432 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.166598] 57439 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.168088] 57440 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.169573] 57441 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.171058] 57442 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.172532] 57443 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.173991] 57444 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.175452] 57445 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.176906] 57446 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.178349] 57447 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.179792] 57448 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.181227] 57449 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.182655] 57450 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.184081] 57451 4080 -11 3118865a= (null) 0 fb0400d nfsv4 GETATTR a:call_reserveresult [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.185494] 57418 4880 -11 d42d6144= ab8b1696 0 fb0400d nfsv4 STATFS a:call_connect_status [sunrpc] q:x= prt_sending Mar 4 10:29:27 hostname kernel: [437414.186905] 57430 4080 -11 d42d6144= (null) 0 fb0400d nfsv4 STATFS a:call_reserveresult [sunrpc] q:xp= rt_sending Mar 4 10:29:27 hostname kernel: [437414.188310] 57429 5281 -11 907fb25c= (null) 0 5fa6554c nfsv4 SEQUENCE a:call_reserveresult [sunrpc] q:= xprt_sending Mar 4 10:29:30 hostname kernel: [437417.110517] RPC: 57419 xprt_connect_st= atus: connect attempt timed out Mar 4 10:29:30 hostname kernel: [437417.112172] RPC: 57419 call_connect_st= atus (status -110) Mar 4 10:29:30 hostname kernel: [437417.113337] RPC: 57419 call_timeout (m= ajor) Mar 4 10:29:30 hostname kernel: [437417.114385] RPC: 57419 call_bind (stat= us 0) Mar 4 10:29:30 hostname kernel: [437417.115402] RPC: 57419 call_connect xp= rt 00000000e061831b is not connected Mar 4 10:29:30 hostname kernel: [437417.116547] RPC: 57419 xprt_connect xp= rt 00000000e061831b is not connected Mar 4 10:30:31 hostname kernel: [437478.551090] RPC: 57419 xprt_connect_st= atus: connect attempt timed out Mar 4 10:30:31 hostname kernel: [437478.552396] RPC: 57419 call_connect_st= atus (status -110) Mar 4 10:30:31 hostname kernel: [437478.553417] RPC: 57419 call_timeout (m= inor) Mar 4 10:30:31 hostname kernel: [437478.554327] RPC: 57419 call_bind (stat= us 0) Mar 4 10:30:31 hostname kernel: [437478.555220] RPC: 57419 call_connect xp= rt 00000000e061831b is not connected Mar 4 10:30:31 hostname kernel: [437478.556254] RPC: 57419 xprt_connect xp= rt 00000000e061831b is not connected Jason Breitman
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