Date: Tue, 13 Jul 2004 14:10:29 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Jun Kuriyama <kuriyama@imgsrc.co.jp> Cc: rwatson@FreeBSD.org Subject: Re: NFS over IPv6 Message-ID: <20040713211029.GU95729@elvis.mu.org> In-Reply-To: <7m8ydqvuaq.wl@black3.imgsrc.co.jp> References: <7mk6xey51w.wl@black3.imgsrc.co.jp> <7m8ydqvuaq.wl@black3.imgsrc.co.jp>
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Are you still experiencing this problem with today's kernel? * Jun Kuriyama <kuriyama@imgsrc.co.jp> [040711 19:22] wrote: > At Thu, 8 Jul 2004 14:09:04 +0000 (UTC), > kuriyama wrote: > > With today's kernel, I see strange behavior with NFS over IPv6. My > > userland is two days older. I'll check with sync'ed kernel/userland > > tomorrow. > > > > # NFS server is 5.2.1R, client is current. > > > > When I did some write operation, it may wait too long. I can > > sometimes write without problem, but sometimes not. I took tcpdump -vvv: > > > > 22:48:25.128338 2001:218:422:2::XXXX > 2001:218:422:2::YYYY: frag (0xdf59d78f:0|1448) 2001:218:422:2::XXXX.1516376639 > 2001:218:422:2::YYYY.2049: 1440 write fh 1034,59016/16299072 4586 bytes @ 0xc000 <unstable> [flowlabel 0x56097] (len 1456, hlim 64) > > 22:48:25.128371 2001:218:422:2::XXXX > 2001:218:422:2::YYYY: frag (0xdf59d78f:1448|1448) [flowlabel 0x56097] (len 1456, hlim 64) > > 22:48:25.128405 2001:218:422:2::XXXX > 2001:218:422:2::YYYY: frag (0xdf59d78f:2896|1448) [flowlabel 0x56097] (len 1456, hlim 64) > > 22:48:25.128430 2001:218:422:2::XXXX > 2001:218:422:2::YYYY: frag (0xdf59d78f:4344|400) [flowlabel 0x56097] (len 408, hlim 64) > > 22:48:25.129335 2001:218:422:2::YYYY.2049 > 2001:218:422:2::XXXX.1516376639: reply ok 160 write PRE: sz 0xd1ea mtime 1089294496.000000 ctime 1089294496.000000 POST: REG 664 ids 1000/1000 sz 0xd1ea nlink 1 rdev 199/65077248 fsid 0x420 fileid 0xf8b440 a/m/ctime 1089287695.000000 1089294502.000000 1089294502.000000 4586 bytes <unstable> (len 168, hlim 64) > > 22:48:25.129489 2001:218:422:2::XXXX > 2001:218:422:2::YYYY: [icmp6 sum ok] icmp6: 2001:218:422:2::XXXX udp port 829 unreachable (len 216, hlim 64) > > > > I don't know why client side replied as port unreachable. With IPv4, > > there is no problem. > > I tracked to find which commit breaks. > > With 2004-07-06 06:00:00+00, it's OK. But with 2004-07-06 > 10:00:00+00, above problem occured. There is alfred's NFS mobility > commits between them. > > Alfred, do you have any ideas? > > > -- > Jun Kuriyama <kuriyama@imgsrc.co.jp> // IMG SRC, Inc. > <kuriyama@FreeBSD.org> // FreeBSD Project -- - Alfred Perlstein - Research Engineering Development Inc. - email: bright@mu.org cell: 408-480-4684
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