NetBSD Problem Report #44200
From www@NetBSD.org Tue Dec 7 17:53:52 2010
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Date: Tue, 7 Dec 2010 17:53:52 +0000 (UTC)
From: novotny@ics.muni.cz
Reply-To: novotny@ics.muni.cz
To: gnats-bugs@NetBSD.org
Subject: Machine freeze after huge data transfer
X-Send-Pr-Version: www-1.0
>Number: 44200
>Category: kern
>Synopsis: Machine freeze after huge data transfer
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Dec 07 17:55:00 +0000 2010
>Originator: Jiri Novotny
>Release: 5.1_RC4
>Organization:
Masaryk University
>Environment:
$ uname -a
NetBSD bumbrdlik5.1RC4 5.1_RC4 NetBSD 5.1_RC4 (9660_debug) #6: po pro 6 15:38:01 CET 2010 novotny@bumbrdlik5.1RC4:/usr/src/sys/arch/i386/compile/9660_debug i386
>Description:
After huge data transfer on dk RAID mashine freeze. The bug follows PR kern/44002. Screenshots are avaliable at http://idril.ics.muni.cz/crash-screenshot-vfs/. In the kernel was installed patch to vfs_wapbl.c 1.3.8.3 (http://mail-index.netbsd.org/source-changes/2010/11/09/msg014314.html) and twa patches (twa.c, twareg.h, twavar.h).
>How-To-Repeat:
dkctl ld1d addwedge dk0 0 19531141087 ffs
newfs -O2 -s -64m dk0
mount /dev/dk0 /mnt
bonnie++ -p5
bonnie++ -y -d /mnt -s 1g > out1 &
bonnie++ -y -d /mnt -s 1g > out2 &
bonnie++ -y -d /mnt -s 1g > out3 &
bonnie++ -y -d /mnt -s 1g > out4 &
bonnie++ -y -d /mnt -s 1g > out5 &
System freeze mostly at first run of bonnie++
>Fix:
(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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