Date: Sat, 2 Aug 1997 04:34:30 -0300 (EST) From: Joao Carlos Mendes Luis <jonny@mailhost.coppe.ufrj.br> To: jonny@mailhost.coppe.ufrj.br (Joao Carlos Mendes Luis) Cc: hackers@FreeBSD.ORG Subject: Re: NFS Problems in 2.2 ? Message-ID: <199708020734.EAA06531@zeus.coppe.ufrj.br> In-Reply-To: <199707291925.QAA09968@gaia.coppe.ufrj.br> from Joao Carlos Mendes Luis at "Jul 29, 97 04:25:24 pm"
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Just in case this can help. I lowered the speed of the NIC to 10M, and got no more problems. If this is not a problem with the 100Mbps code (is it different ???), surely is a problem with packet loss. #define quoting(Joao Carlos Mendes Luis) // Hi, // // I'm having lots of problems with NFS deadlocks in my recent configuration. // Both client and server are 2.2-STABLE, with 3c905 100Mbps ethernet boards. // Right now, for example, I have a netscape and am elm locked. If this helps, // here's the output of a "ps -axlww | grep nfs" on the client: // // zeus::jonny [501] ps -axlww | grep nfs // 0 112 1 0 2 0 236 0 accept IWs ?? 0:00.00 nfsd: master (nfsd) // 0 114 112 0 2 0 228 0 nfsd IW ?? 0:00.00 nfsd: server (nfsd) // 0 115 112 0 2 0 228 0 nfsd IW ?? 0:00.00 nfsd: server (nfsd) // 0 116 112 0 2 0 228 0 nfsd IW ?? 0:00.00 nfsd: server (nfsd) // 0 117 112 0 2 0 228 0 nfsd IW ?? 0:00.00 nfsd: server (nfsd) // 0 127 1 0 -1 0 212 12 nfsrcv D ?? 0:00.09 nfsiod -n 8 // 0 128 1 0 -1 0 212 12 nfsrcv D ?? 0:00.06 nfsiod -n 8 // 0 129 1 0 -1 0 212 12 nfsrcv D ?? 0:00.03 nfsiod -n 8 // 0 130 1 0 2 0 212 12 sbwait D ?? 0:00.03 nfsiod -n 8 // 0 131 1 0 -1 0 212 12 nfsrcv D ?? 0:00.03 nfsiod -n 8 // 0 132 1 0 -1 0 212 12 nfsrcv D ?? 0:00.02 nfsiod -n 8 // 0 133 1 0 -1 0 212 12 nfsrcv D ?? 0:00.02 nfsiod -n 8 // 0 134 1 0 -1 0 212 12 nfsrcv D ?? 0:00.01 nfsiod -n 8 // 100 410 1 0 -6 0 7048 4304 nfsaio D v1 0:10.64 /usr/local/lib/netscape/netscape.bin // zeus::jonny [502] // // The relevant fstab options are as follows: // // gaia:/ /gaia nfs rw,soft,intr,bg,nfsv2,dumbtimer 0 0 // gaia:/usr /gaia/usr nfs rw,soft,intr,bg,nfsv2,dumbtimer 0 0 // gaia:/var /gaia/var nfs rw,soft,intr,bg,nfsv2,dumbtimer 0 0 // gaia:/extra /gaia/extra nfs rw,soft,intr,bg,nfsv2,dumbtimer 0 0 // // Using option "tcp" helps a lot, but if the server reboots, the client does // not reconect. "nfsv2" and "dumbtimer" seem to have helped, but did not // solve the problem. // // Is there anything I can do to help debug this ? Jonny -- Joao Carlos Mendes Luis jonny@gta.ufrj.br +55 21 290-4698 jonny@coppe.ufrj.br Universidade Federal do Rio de Janeiro UFRJ/COPPE/CISI PGP fingerprint: 29 C0 50 B9 B6 3E 58 F2 83 5F E3 26 BF 0F EA 67
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