On Thu, 11 Feb 2010, John Baldwin wrote:
Case1: single currupted block 3779CF88-3779FFFF (12408 bytes).
Data in block is shifted 68 bytes up, loosing first 68 bytes are
filling last 68 bytes with garbage. Interestingly, among that garbage
is my hostname.
Is it the hostname of the server or the client?
Oh, I realized the first 4 bytes of the garbage is the record mark
that preceeds the RPC header for TCP, so the garbage is the first
part of the RPC after the TCP/IP header.
Can you reproduce this using a non-FreeBSD server with a FreeBSD client or a
non-FreeBSD client with a FreeBSD server? That would narrow down the breakage
to either the client or the server.
If using a non-FreeBSD client/server isn't convenient, another way would
be to do a binary packet capture (something like "tcpdump -s 0 -w <file>
<host>") and then looking at it in wireshark for a failed case and see
if the data is corrupted on the wire.
rick
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