Date: Tue, 29 Dec 2009 13:56:03 +0100 From: Jeremie Le Hen <jeremie@le-hen.org> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-stable@FreeBSD.org, Jeremie Le Hen <jeremie@le-hen.org>, Rick Macklem <rmacklem@FreeBSD.org> Subject: Re: Cannot list a particular directory through NFS with UDP Message-ID: <20091229125603.GC84457@felucia.tataz.chchile.org> In-Reply-To: <Pine.GSO.4.63.0912181518280.9495@muncher.cs.uoguelph.ca> References: <20091213230650.GA45540@felucia.tataz.chchile.org> <Pine.GSO.4.63.0912181518280.9495@muncher.cs.uoguelph.ca>
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Hi Rick,
Sorry for the delayed reply, but I have had little time available with
Christmas.
On Fri, Dec 18, 2009 at 03:23:44PM -0500, Rick Macklem wrote:
>
> > 00:00:01.953196 IP (tos 0x0, ttl 64, id 48966, offset 0, flags [none], proto UDP (17), length 168) 192.168.1.1.3819288094 > 192.168.1.222.2049: 140 readdir [|nfs]
> > 00:00:01.953665 IP (tos 0x0, ttl 64, id 27028, offset 0, flags [+], proto UDP (17), length 1500) 192.168.1.222.2049 > 192.168.1.1.3819288094: reply ok 1472 readdir POST: DIR 755 ids 0/0 [|nfs]
> > 00:00:01.953711 IP (tos 0x0, ttl 64, id 27028, offset 1480, flags [none], proto UDP (17), length 632) 192.168.1.222 > 192.168.1.1: udp
> >
> This appears to be the reply to the nfs readdir request, which is what
> would be expected. It could be a problem with the content or the reply
> or a NetBSD client issue.
>
> If you were to email me the raw tcpdump capture for the above, I could
> take a look at it in wireshark (which knows how to interpret nfs) and
> see if there is anything bogus looking in the reply.
> ("tcpdump -s 0 -w <file> host 192.168.1.1" and then email me <file> as an
> attachment, should do it)
You will find the pcap file attached.
FYI, I've tried to use "rdirplus" option from NetBSD NFS client as a
workaround but the mount stalls in UDP (works in TCP). If you are also
interested in this problem, I can provide a trace quickly this time :).
Regards,
--
Jeremie Le Hen
Humans are born free and equal. But some are more equal than the others.
Coluche
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ò 9K| $t `_ E N @ 0 O
,$ pkgsrc 9K< `_ $t E n @ O
l 7 ; >