Date: Sat, 16 Jul 2022 14:06:02 +0200 From: Peter <pmc@citylink.dinoex.sub.org> To: freebsd-stable@freebsd.org Subject: nfs stalls client: nfsrv_cache_session: no session Message-ID: <YtKpqjBITR/ocjiF@gate.intra.daemon.contact>
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Hija,
I have a problem with NFSv4:
The configuration:
Server Rel. 13.1-RC2
nfs_server_enable="YES"
nfs_server_flags="-u -t --minthreads 2 --maxthreads 20 -h ..."
mountd_enable="YES"
mountd_flags="-S -p 803 -h ..."
rpc_lockd_enable="YES"
rpc_lockd_flags="-h ..."
rpc_statd_enable="YES"
rpc_statd_flags="-h ..."
rpcbind_enable="YES"
rpcbind_flags="-h ..."
nfsv4_server_enable="YES"
sysctl vfs.nfs.enable_uidtostring=1
sysctl vfs.nfsd.enable_stringtouid=1
Client bhyve Rel. 13.1-RELEASE on the same system
nfs_client_enable="YES"
nfs_access_cache="600"
nfs_bufpackets="32"
nfscbd_enable="YES"
Mount-options: nfsv4,readahead=1,rw,async
Access to the share suddenly stalled. Server reports this in messages,
every second:
nfsrv_cache_session: no session IPaddr=192.168...
Restarting nfsd and mountd didn't help, only now the client started to
also report in messages, every second:
nfs server 192.168...:/var/sysup/mnt/tmp.6.56160: is alive again
Mounting the same share anew to a different place works fine.
The network babble is this, every second:
NFS request xid 1678997001 212 getattr fh 0,6/2
NFS reply xid 1678997001 reply ok 52 getattr ERROR: unk 10052
Forensics: I tried to build openoffice on that share, a couple of
times. So there was a bit of traffic, and some things may have
overflown.
There seems to be no way to recover, only crashing the client.
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