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Re: [microblaze-uclinux] NFS Client - RPC retransmission Problem
Hi David,
we know about this problem. I am trying to figure out where the problem is.
I believe you can use tcp instead of udp for now.
mount -t nfs -o tcp ip:/path /mnt
Regards,
Michal
David Wong wrote:
> My NFS client (192.168.1.10 on Xilinx ML401 board running uClinux 2.6
> from Petaligix) is not able to handle incoming fragmented packets sent
> from NFS server (192.168.1.199 on CentOS 5.2 Linux). The fragmented
> packets seem to be dropped by the NFS client. Retransmission of the RPC
> is kept requesting by the client - and therefore nothing gets done.
> Anyone knows what's going on with the NFS client? And how to make the
> NFS client working? Below are the captured packets from Wireshark.
>
> NFS Client IP: 192.168.1.10
> NFS Server IP: 192.168.1.199
>
> No. Time Source Destination Protocol
> Info
> 33 21.107511 192.168.1.10 192.168.1.199 NFS
> V3 LOOKUP Call (Reply In 34), DH:0xeded7521/test.txt
> 34 21.108326 192.168.1.199 192.168.1.10 NFS
> V3 LOOKUP Reply (Call In 33), FH:0xe8dc7610
> 35 21.110190 192.168.1.10 192.168.1.199 NFS
> V3 ACCESS Call (Reply In 36), FH:0xe8dc7610
> 36 21.110264 192.168.1.199 192.168.1.10 NFS
> V3 ACCESS Reply (Call In 35)
> 37 21.112760 192.168.1.10 192.168.1.199 NFS
> V3 READ Call (Reply In 39), FH:0xe8dc7610 Offset:0 Len:1445
> 38 21.112879 192.168.1.199 192.168.1.10 IP
> Fragmented IP protocol (proto=UDP 0x11, off=0) [Reassembled in #39]
> 39 21.112885 192.168.1.199 192.168.1.10 NFS
> V3 READ Reply (Call In 37) Len:1445
> 40 21.811743 192.168.1.10 192.168.1.199 NFS
> [RPC retransmission of #37]V3 READ Call (Reply In 39), FH:0xe8dc7610
> Offset:0 Len:1445
> 41 21.811941 192.168.1.199 192.168.1.10 IP
> Fragmented IP protocol (proto=UDP 0x11, off=0) [Reassembled in #42]
> 42 21.811949 192.168.1.199 192.168.1.10 NFS
> [RPC duplicate of #39]V3 READ Reply (Call In 37) Len:1445
> 43 23.211732 192.168.1.10 192.168.1.199 NFS
> [RPC retransmission of #37]V3 READ Call (Reply In 39), FH:0xe8dc7610
> Offset:0 Len:1445
> 44 23.211918 192.168.1.199 192.168.1.10 IP
> Fragmented IP protocol (proto=UDP 0x11, off=0) [Reassembled in #45]
> 45 23.211927 192.168.1.199 192.168.1.10 NFS
> [RPC duplicate of #39]V3 READ Reply (Call In 37) Len:1445
> 46 26.011707 192.168.1.10 192.168.1.199 NFS
> [RPC retransmission of #37]V3 READ Call (Reply In 39), FH:0xe8dc7610
> Offset:0 Len:1445
>
> Thanks a lot.
>
> David
>
>
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