Subject: What's happening here? (NFS)
To: None <tech-kern@netbsd.org>
From: Reinoud Zandijk <reinoud@netbsd.org>
List: current-users
Date: 03/16/2005 23:59:45
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Hiya folks,

i'm experiencing a weird but very repeatable oddity with NFS: it locks 
up... at least it looks that way (!)

I've added the network capture as seen by the server:

rangerover# tcpdump -i hme0 not port ssh and host heethoofdje.kasbah and not port ntp
tcpdump: listening on hme0
23:50:33.071798 heethoofdje.kasbah.2338924892 > rangerover.kasbah.nfs: 1472 write [|nfs] (frag 4299:1480@0+)
23:50:33.072636 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4299:1480@1480+)
23:50:33.073463 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4299:1480@2960+)
23:50:33.073571 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4299:4@4440)
23:50:47.519982 heethoofdje.kasbah.2338924906 > rangerover.kasbah.nfs: 112 access [|nfs]
23:50:47.521347 rangerover.kasbah.nfs > heethoofdje.kasbah.2338924906: reply ok 120 access c 8b69296b
23:50:47.521744 heethoofdje.kasbah.2338924907 > rangerover.kasbah.nfs: 108 getattr [|nfs]
23:50:47.523019 rangerover.kasbah.nfs > heethoofdje.kasbah.2338924907: reply ok 112 getattr REG 600 ids 103/0 [|nfs]
23:51:19.159143 heethoofdje.kasbah.2338924892 > rangerover.kasbah.nfs: 1472 write [|nfs] (frag 4307:1480@0+)
23:51:19.159979 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4307:1480@1480+)
23:51:19.160803 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4307:1480@2960+)
23:51:19.160915 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4307:4@4440)
23:51:47.536522 heethoofdje.kasbah.2338924908 > rangerover.kasbah.nfs: 112 access [|nfs]
23:51:47.537942 rangerover.kasbah.nfs > heethoofdje.kasbah.2338924908: reply ok 120 access c 8b69296d
23:51:47.538292 heethoofdje.kasbah.2338924909 > rangerover.kasbah.nfs: 108 getattr [|nfs]
23:51:47.539590 rangerover.kasbah.nfs > heethoofdje.kasbah.2338924909: reply ok 112 getattr REG 600 ids 103/0 [|nfs]
23:52:05.246488 heethoofdje.kasbah.2338924892 > rangerover.kasbah.nfs: 1472 write [|nfs] (frag 4314:1480@0+)
23:52:05.247324 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4314:1480@1480+)
23:52:05.248206 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4314:1480@2960+)
23:52:05.248327 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4314:4@4440)
23:52:47.543057 heethoofdje.kasbah.2338924910 > rangerover.kasbah.nfs: 112 access [|nfs]
23:52:47.544446 rangerover.kasbah.nfs > heethoofdje.kasbah.2338924910: reply ok 120 access c 8b69296f
23:52:47.544806 heethoofdje.kasbah.2338924911 > rangerover.kasbah.nfs: 108 getattr [|nfs]
23:52:47.546121 rangerover.kasbah.nfs > heethoofdje.kasbah.2338924911: reply ok 112 getattr REG 600 ids 103/0 [|nfs]
23:52:51.333837 heethoofdje.kasbah.2338924892 > rangerover.kasbah.nfs: 1472 write [|nfs] (frag 4320:1480@0+)
23:52:51.334669 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4320:1480@1480+)
23:52:51.335494 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4320:1480@2960+)
23:52:51.335604 heethoofdje.kasbah > rangerover.kasbah: udp (frag 4320:4@4440)

....


Anyone know what is going on here? its with -current of say a minute ago :) 
(NetBSD/i386 GENERIC.MPACPI with small changes but NOT in network/NFS)

Cheers,
Reinoud

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