On Wed, Jan 18, 2006 at 02:21:28PM -0500, Ken D'Ambrosio enlightened us:
> [Apologies if this is a duplicate; I sent it yesterday, and haven't seen
> it crop up yet...]
> 
> Hi, all.  Just recently, I added an Ubuntu Linux box to my series of Debian
> servers.  All the stock Debian servers had backed up fine.  However, my
> Ubuntu box fails miserably.  Going through the client's debug log, the thing
> that really stands out is this:
> 
> amandad: time 0.000: sending ack:
> ----
> Amanda 2.4 ACK HANDLE 001-B8CA0608 SEQ 1137474902
> ----
> amandad: time 0.000: dgram_send_addr: sendto(0.0.0.0.858) failed: Invalid
> argument
> 
> 
> A "strace" run on the client's amandad shows the following interesting
> snippet:
> 
> sendto(0, "Amanda 2.4 REP HANDLE 001-F0B70608 SEQ 1137547581\nERROR [addr
> 0.0.0.0: hostname lookup failed]\n", 95, 0, {sa_family=AF_INET6,
> sin6_port=htons(847), inet_pton(AF_INET6, "::58d0:f6bf:c927:f6b7",
> &sin6_addr), sin6_flowinfo=0, sin6_scope_id=134513844}, 16) = -1 EINVAL
> (Invalid argument)
> 
> 
> It looks to me like the client -- which *is* IPv6 enabled, but has no IPv6
> interfaces -- is thinking IPv6-ish thoughts.  Some Googling showed a thread
> on this back in '03, and implied that a patch had been merged.  Since I'm
> running 2.4.5, I would have thought that would be yesterday's news.
> 
> Any ideas on what to do?
> 

Someone was commenting about this in my local LUG IRC channel that Ubuntu
wasn't using xinetd, but something else called inetutils-inetd. He was
getting the same error and apparently fixed it by installing xinetd.

Matt

-- 
Matt Hyclak
Department of Mathematics 
Department of Social Work
Ohio University
(740) 593-1263