NetBSD Problem Report #38316
From yamt@mwd.biglobe.ne.jp Thu Mar 27 10:56:56 2008
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Date: Thu, 27 Mar 2008 19:56:53 +0900 (JST)
From: yamt@mwd.biglobe.ne.jp
Reply-To: yamt@mwd.biglobe.ne.jp
To: gnats-bugs@gnats.NetBSD.org
Subject: tcp nfs mount of solaris filesystem stucks
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>Number: 38316
>Category: kern
>Synopsis: tcp nfs mount of solaris filesystem stucks
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Thu Mar 27 11:00:00 +0000 2008
>Originator: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release: NetBSD 4.99.58
>Organization:
>Environment:
Architecture: i386
Machine: i386
>Description:
an nfs mount of a solaris filesystem sometimes stucks.
the client and the server keep sending tcp window probes each other.
netstat on server:
TCP: IPv4
Local Address Remote Address Swind Send-Q Rwind Recv-Q State
-------------------- -------------------- ----- ------ ----- ------ -----------
172.17.14.11.2049 172.17.80.56.1012 1 0 0 0 ESTABLISHED
netstat on client:
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 99120 59016 172.17.80.56.1012 172.17.14.11.2049 ESTABLISHED
>How-To-Repeat:
it's reproducable on my environment with the following commands.
# mount -o tcp solaris10_box:/zfs_volume /mnt
# cd /mnt/some_directory
# iozone -i0 -B -t128
>Fix:
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.39 2013/11/01 18:47:49 spz Exp $
$NetBSD: gnats_config.sh,v 1.8 2006/05/07 09:23:38 tsutsui Exp $
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