Date: Sun, 04 Mar 2012 15:55:46 +0100 From: Thomas <freebsdlists@bsdunix.ch> To: freebsd-fs@FreeBSD.org Subject: FreeBSD 8.2 NFS client crashes with a FreeBSD 9 Server Message-ID: <4F538272.6070002@bsdunix.ch>
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Hello My FreeBSD 9.0-STABLE (February 2nd 2012) NFS server (amd64) does not work well wit FreeBSD 8.2-p6 NFS clients (amd64). All clients are generating a lot of syslog messages like: M ar 4 13:29:10 hosting06 kernel: NLM: failed to contact remote rpcbind, stat = 0, port = 0 Mar 4 13:29:14 hosting06 last message repeated 5933 times Mar 4 13:39:18 hosting01 kernel: <<33>N>LMN:L M:f aiflaeilde d tto coon taccto renmtoatcet rermpotcebi nrd, psctbaitnd ,= st0a,t =po rt0 =, p0 Mar 4 13:39:18 hosting01 kernel: o Mar 4 13:39:18 hosting01 kernel: rt = 0 After a few hours the nfs client is crashing like this: Mar 4 13:55:33 hosting01 kernel: Fatal trap 12: page fault while in kernel mode Mar 4 13:55:33 hosting01 kernel: cpuid = 1; Mar 4 13:55:33 hosting01 kernel: NLM: failed to contact remote rpcbind, stat = 0, port = 0 Mar 4 13:55:33 hosting01 kernel: apic id = 07 Mar 4 13:55:33 hosting01 kernel: fault virtual address = 0x18 Mar 4 13:55:33 hosting01 kernel: fault code = supervisor write data, page not present Mar 4 13:55:33 hosting01 kernel: instruction pointer = 0x20:0xffffffff807c4b0b Mar 4 13:55:33 hosting01 kernel: Mar 4 13:55:33 hosting01 kernel: stack pointer = 0x28:0xffffff84916c1ec0 Mar 4 13:55:33 hosting01 kernel: NLM: failed to contact remote rpcbind, stat = 0, port = 0 Mar 4 13:55:33 hosting01 kernel: Mar 4 13:55:33 hosting01 kernel: frame pointer = 0x28:0xffffff84916c2070 Mar 4 13:55:33 hosting01 kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Mar 4 13:55:33 hosting01 kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 Mar 4 13:55:33 hosting01 kernel: Mar 4 13:55:33 hosting01 kernel: processor eflags = interrupt enabled, Any ideas how i can fix this? I appreciate any hint or fix. About the systems: FreeBSD 9 NFS server: rpcbind_enable="YES" nfs_server_enable="YES" nfs_server_flags="-u -t -n 32" nfs_reserved_port_only="YES" rpc_lockd_enable="YES" rpc_statd_enable="YES" mountd_enable="YES rpc is running on the server: root 1509 0.0 0.0 274296 320 ?? Ss Fri11PM 0:00.10 /usr/sbin/rpc.statd root 1528 0.0 0.0 14264 500 ?? Ss Fri11PM 7:41.35 /usr/sbin/rpcbind exports: root@openstorage1:~# more /etc/exports /rz2pool/export/tmp -maproot=root 10.10.0.2 10.10.0.3 10.10.0.4 10.10.0.5 /var/webs -maproot=root 10.10.0.2 10.10.0.3 10.10.0.4 10.10.0.5 FreeBSD 9 is a ZFS only system. FreeBSD 8.2-p6 NFS client rpcbind_enable="YES" nfs_client_enable="YES" nfs_reserved_port_only="YES" rpc_lockd_enable="YES" rpc_statd_enable="YES" nfs client fstab: 10.0.0.12:/var/webs /var/webs nfs rw,nfsv3,rdirplus,noatime,hard,intr,tcp,wsize=65536,rsize=65536,bg 0 0 10.0.0.12:/rz2pool/export/tmp /var/tmp nfs rw,nfsv3,rdirplus,noexec,acregmin=30,acregmax=120,noatime,hard,intr,tcp,wsize=65536,rsize=65536,bg 0 0 FreeBSD 8.2-p6 is a UFS only system.
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