[vox-tech] NFS:mount RPC timed out

Jeff Newmiller jdnewmil at dcn.davis.ca.us
Fri Aug 31 20:03:47 PDT 2007


I am no NFS guru, but I would check hosts.allow on the client.

xiao.liang at cn.alps.com wrote:
> 
> I use kernel 2.4.20,busybox 1.3.1,the NFS server is V4.When I try to 
> mount use
> 
> mount -t nfs 10.25.16.130:/opt/Qtopia /opt/Qtopia
> 
> Got error ,mount: RPC time out
> 
> When I use ethreal on both the server and client side , found that the 
> server have sent SYN,ACK back to client with the TCP connection, but the 
> client just do not respond. I use portmap and also inetd. The tcpdump 
> log is look like this:
> 
> 10.25.16.160.794 > 10.25.16.130.sunrpc: S, cksum 0x5740 (correct), 31406388
> 
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x79e6 (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x79e6 (correct), 
> 2533961748:2
> 60) 10.25.16.160.794 > 10.25.16.130.sunrpc: S, cksum 0x5614 (correct), 
> 31406388
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x76ff (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x76ff (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x76f8 (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x76f8 (correct), 
> 2533961748:2
> 
> 
> 60) 10.25.16.160.794 > 10.25.16.130.sunrpc: S, cksum 0x53bc (correct), 
> 31406388
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x7123 (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x7123 (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x711c (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x711c (correct), 
> 2533961748:2
> 
> 
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x6563 (correct), 
> 2533961748:2
> 60) 10.25.16.160.794 > 10.25.16.130.sunrpc: S, cksum 0x4f0c (correct), 
> 31406388
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x6561 (correct), 
> 2533961748:2
> 10.25.16.130.sunrpc > 10.25.16.160.794: S, cksum 0x6563 (correct), 
> 2533961748:
> 
> 
> If it is the portmap and inetd's problem?
> Following is some info:
> 
> In /etc/service
> sunrpc 111/tcp portmap
> sunrpc 111/udp portmap
> 
> In /etc/inetd.conf
> #rstatd/1-3 dgram rpc/udp wait root /usr/sbin/tcpd rpc.rstatd
> #rusersd/2-3 dgram rpc/udp wait root /usr/sbin/tcpd rpc.rusersd
> 
> Client use a random tcp port number to connect with server:111, then who 
> will look after the SYN,ACK packet sent back by server, the inetd? 
> Should I add a line in inetd.conf like "794    stream  tcp   nowait root 
>  portmap" , but it is a ramdom port number?! Or should there be a tcpd 
> or sth run on my board????
> 
> Ask for help!!!!!
> 
> ps :
> 
> /usr/sbin/inetd
> /sbin/portmap
> 
> 
> ------------------------------------------------------------------------
> 
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